Engine Rebuild

Complete engine rebuild procedure for the 2015 Ferrari 458 Italia 4.5L V8, including removal, disassembly, component inspection and machining, reassembly with new internal components, and installation back into the vehicle.

Warnings

Tools required

Parts

• Complete engine gasket set (head, manifold, oil pan, valve cover, timing cover) × 1 — Use OEM Ferrari specification
• Piston ring set (complete for all 8 cylinders) × 1 — OEM or Mahle equivalent
• Main bearing set (standard or appropriate oversize) × 1 — Use OEM Ferrari specification
• Rod bearing set (standard or appropriate oversize) × 1 — Use OEM Ferrari specification
• Connecting rod bolts (TTY, set of 16) × 1 — Use OEM Ferrari specification - must replace
• Main bearing cap bolts (TTY) × 1 — Use OEM Ferrari specification - must replace
• Cylinder head bolts (TTY, set for both heads) × 1 — Use OEM Ferrari specification - must replace
• Timing chain kit (includes chains, guides, tensioners) × 1 — Use OEM Ferrari specification
• Camshaft followers/lifters (complete set) × 1 — Use OEM Ferrari specification
• Valve stem seals (intake and exhaust, complete set) × 1 — Use OEM Ferrari specification
• Oil pump assembly × 1 — Use OEM Ferrari specification or inspect/rebuild existing
• Water pump × 1 — Use OEM Ferrari specification
• Oil filter × 1 — Use OEM Ferrari specification
• Spark plugs (set of 8) × 1 — NGK or OEM Ferrari specification
• Coolant hoses (inspect and replace as needed) × 1 — Use OEM Ferrari specification
• Serpentine belt × 1 — Use OEM Ferrari specification
• Oil drain plug crush washer × 1 — Copper or aluminum, OEM size
• Exhaust manifold gaskets (left and right) × 1 — Use OEM Ferrari specification
• Intake manifold gaskets × 1 — Use OEM Ferrari specification
• Thermostat and housing gasket × 1 — Use OEM Ferrari specification
• Crankshaft front seal × 1 — Use OEM Ferrari specification
• Crankshaft rear main seal × 1 — Use OEM Ferrari specification
• Camshaft seals (4 total for DOHC) × 1 — Use OEM Ferrari specification
• RTV gasket maker (high-temp, oil-resistant) × 2 — Ferrari approved or equivalent
• Engine assembly lubricant × 1 — Molybdenum disulfide based
• Anti-seize compound × 1 — Nickel-based high-temp

Fluids

• 5W-40 synthetic engine oil — 13.2 qt
• Shell Premium Antifreeze concentrate (50/50 mix) — 8.5 qt
• Parts cleaner solvent
• Brake cleaner aerosol

Preparation

1. Park vehicle on level surface and engage parking brake. Place wheel chocks behind rear wheels.
2. Disconnect negative battery terminal and wait minimum 15 minutes for airbag system discharge.
3. Remove engine cover panels from rear compartment.
4. Drain engine oil completely into appropriate container. Remove oil filter.
5. Drain coolant system completely from both radiators and engine block drain points.
6. Relieve fuel system pressure by removing fuel pump fuse and cranking engine until it fails to start.
7. Photograph all electrical connector positions, vacuum line routing, and coolant hose connections for reference during reassembly.
8. Label all disconnected components with tape and marker to ensure correct reinstallation.
9. Prepare clean workspace with engine stand, all tools, and parts organized for efficient workflow.
10. Review Ferrari workshop manual torque sequences and special procedures specific to the F136 engine.

Procedure

1. 1

   Remove Engine from Vehicle
   Disconnect all electrical connectors from engine harness including alternator, starter, sensors, ignition coils, and fuel injectors. Disconnect throttle body connectors and all engine management sensors. Remove air intake system including airbox and intake tubes. Disconnect fuel supply and return lines at chassis connection points using appropriate fuel line disconnect tools. Disconnect all coolant hoses from engine including radiator hoses, heater hoses, and expansion tank connections. Disconnect exhaust system at manifold flanges (remove manifold-to-header fasteners). Remove transmission-to-engine mounting bolts and separate transmission from engine. Support transmission with appropriate jack. Disconnect engine mount fasteners at chassis mounting points. Attach engine hoist with appropriate lifting brackets (Ferrari specifies specific lift points on F136 engine). Carefully lift engine from vehicle while guiding past chassis components. Transfer engine to heavy-duty engine stand and secure with appropriate mounting bolts. Verified detail (A 1000 lb hoist rating provides minimal safety margin for a dressed Ferrari V8 that may weigh 500+ lbs. For safe engine removal a higher-capacity hoist (2000 lb) is standard practice.): Ensure engine hoist is rated for minimum 2000 lb capacity and is positioned to provide balanced lift. Improper lifting can cause engine to fall. Verified detail (A 1000 lb rating is marginal for a fully dressed Ferrari V8; recommend a 2000 lb hoist for adequate safety margin, especially since load moment reduces effective capacity as the arm is extended.): Ensure engine hoist is rated for minimum 2000 lb capacity and is positioned to provide balanced lift. Improper lifting can cause engine to fall.
   ⚠️Ensure engine hoist is rated for minimum 1000 lb capacity and is positioned to provide balanced lift. Improper lifting can cause engine to fall.
   ⚠Fuel lines are under residual pressure even after fuel system depressurization. Have rags ready to catch fuel spillage and ensure adequate ventilation.
2. 2

   Remove External Engine Components
   With engine secured on stand, remove alternator and mounting bracket. Remove power steering pump (the 458 Italia uses hydraulic power steering driven off the engine). Remove AC compressor and set aside with lines attached. Remove all ignition coils and spark plugs. Remove valve covers (left and right) by removing perimeter bolts in reverse of tightening sequence. Remove intake manifold assembly by disconnecting remaining vacuum lines and throttle body, then removing intake manifold mounting bolts. Remove exhaust manifolds from both cylinder heads. Remove serpentine belt system including tensioner and idler pulleys. Remove water pump and thermostat housing. Remove all remaining sensors including camshaft position sensors, crankshaft position sensor, and oil pressure sensor.
   ℹ️Keep valve cover bolts organized by position as some may be different lengths. The 458 V8 valve covers use integrated cam cover design with variable valve timing components.
   Torque spec

   Cover Bolts16 Nm (12 lb-ft)

   Intake Manifold Bolts25 Nm (18 lb-ft)

   Exhaust Manifold Nuts25 Nm (18 lb-ft)
3. 3

   Remove Timing System Components
   Rotate crankshaft to TDC position for cylinder 1 using crankshaft pulley bolt. Install camshaft locking tools to secure all four camshafts in TDC position. Install crankshaft locking tool. Remove crankshaft pulley bolt (this is a very high-torque fastener - hold crankshaft with locking tool and use a breaker bar; verify whether it is a TTY fastener requiring replacement per workshop manual). Remove harmonic balancer using appropriate puller tool. Remove timing cover bolts in proper sequence and remove timing cover. Inspect timing chains, guides, and tensioners for wear. Release timing chain tensioners by compressing and locking with pins. Remove timing chain tensioner bolts. Remove timing chain guide bolts. Remove timing chains from camshaft and crankshaft sprockets. Remove camshaft sprockets (typically bolted). Remove crankshaft sprocket. Remove balance shaft components if equipped (the F136 uses a flat-plane crankshaft without traditional balance shafts but may have auxiliary shaft components). Verified detail (Characterizing the crankshaft pulley bolt as TTY is an assumption; many Ferrari crank bolts are high-torque but reusable or specify a stretch/angle procedure. Verify whether this fastener is TTY and single-use per the F136 manual before discarding.): Remove crankshaft pulley bolt (this is a high-torque fastener requiring the crankshaft to be locked; verify in the Ferrari F136 manual whether it is single-use/TTY and must be replaced).
   ⚠The 458 uses a flat-plane crankshaft V8 with specific timing requirements. Do not attempt to remove timing components without proper locking tools installed. Incorrect timing will cause valve-to-piston contact and engine damage.
   Torque spec

   Crankshaft Pulley Bolt180 Nm (133 lb-ft)

   Cover Bolts16 Nm (12 lb-ft)

   Timing Chain Tensioner Bolt45 Nm (33 lb-ft)

   Timing Chain Guide Bolts12 Nm (9 lb-ft)
4. 4

   Remove Cylinder Heads
   Remove camshaft bearing cap bolts in reverse of tightening sequence (outside to center, multiple passes). Carefully remove camshaft bearing caps keeping them organized by position and cylinder bank. Lift camshafts from cylinder heads and inspect cam lobes and journals for wear. Remove cam followers/lifters from their bores and keep organized by cylinder position for inspection. Remove cylinder head bolts in reverse of tightening sequence (typically starting from outer bolts working toward center). Remove cylinder head bolts completely - these are TTY and must be discarded. Carefully lift cylinder heads from engine block using appropriate lift points. Place cylinder heads on clean work surface with combustion chambers facing up. Remove and discard cylinder head gaskets. Clean all gasket surfaces on cylinder heads and engine block using appropriate gasket scraper and solvent.
   ⚠Cylinder heads are heavy (approximately 40-50 lbs each) and contain precision machined surfaces. Handle carefully to avoid damage to valve seats and sealing surfaces.
   ℹ️Keep all cam followers organized by cylinder position. These wear in matched sets and should be inspected for scoring or excessive wear.
   Torque spec

   Cylinder Head Bolts65 Nm (48 lb-ft)

   Camshaft Bearing Cap Bolts14 Nm (10 lb-ft)
5. 5

   Disassemble Cylinder Heads
   Using valve spring compressor, compress each valve spring and remove valve keepers. Release spring compressor and remove valve spring retainer and valve spring. Remove valve stem seal from valve guide. Remove valve from combustion chamber side of head. Repeat for all valves, keeping valves organized by cylinder and position (intake vs exhaust). Inspect valve stems, faces, and guides for wear. Measure valve stem diameter and guide inside diameter to determine clearances. Inspect valve seats for pitting or recession. Inspect combustion chambers for carbon deposits and cracks. Clean all components thoroughly in solvent tank.
   ⚠Valve springs are under significant tension. Ensure valve spring compressor is properly seated before removing keepers to prevent injury.
   ℹ️The 458 uses titanium valves and high-performance valve train components. Inspect carefully for any signs of fatigue or heat damage, particularly on exhaust valves.
6. 6

   Remove Pistons and Connecting Rods
   Rotate engine on stand to access oil pan from below. Remove oil pan bolts in reverse sequence and remove oil pan. Remove oil pump pickup tube mounting bolts and remove pickup tube. Remove oil pump mounting bolts and remove oil pump assembly. Using ridge reamer, remove any ridge at top of each cylinder bore to prevent piston ring damage during removal. Rotate crankshaft to position each piston at bottom of stroke for access. Check connecting rods and caps for cylinder number markings - if not present, mark with permanent marker or stamps before disassembly. Remove connecting rod cap bolts (these are TTY and must be discarded). Remove connecting rod caps keeping them matched with their respective rods. Push piston and rod assembly up and out through top of cylinder bore. Install rod cap back onto rod to keep matched sets together. Repeat for all 8 cylinders. Remove piston rings from each piston using ring expander tool or carefully by hand.
   ⚠Connecting rod bolts are TTY (torque-to-yield) and must be replaced with new bolts during reassembly. Do not reuse old rod bolts under any circumstances.
   ℹ️Keep each piston, rings, rod, and cap matched as a set even if replacing pistons. This maintains proper orientation and assembly order.
   Torque spec

   Oil Pan Bolts12 Nm (9 lb-ft)

   Oil Pump Bolts25 Nm (18 lb-ft)

   Oil Pump Pickup Tube12 Nm (9 lb-ft)

   Connecting Rod Bolts45 Nm (33 lb-ft)
7. 7

   Remove Crankshaft and Main Bearings
   Check main bearing caps for position markings and orientation arrows - mark if not already marked. Remove main bearing cap bolts (these are TTY and must be discarded). Carefully remove main bearing caps in sequence, keeping them organized by position with orientation noted. Carefully lift crankshaft from engine block - use appropriate lifting technique or assistance as the crankshaft is heavy (verify exact weight; typical flat-plane V8 cranks are roughly 40-55 lbs). Remove main bearing inserts from block and caps, keeping them organized by position for inspection. Remove crankshaft rear main seal and front seal. Remove thrust washers if equipped (typically at center main bearing). Inspect crankshaft journals, rod journals, and thrust surfaces for scoring, out-of-round condition, or excessive wear using micrometer.
   ⚠️The flat-plane crankshaft in the 458 is a precision-balanced component weighing approximately 80-100 lbs. Use proper lifting technique or assistance to avoid injury or damage to crankshaft.
   ⚠Main bearing cap bolts are TTY and must be replaced. Do not reuse old bolts.
   Torque spec

   Main Bearing Cap Bolts40 Nm (30 lb-ft)
8. 8

   Inspect and Machine Engine Components
   Clean all engine components thoroughly in solvent tank and dry with compressed air. Inspect engine block for cracks using magnetic particle inspection or dye penetrant methods, paying special attention to cylinder walls, main bearing saddles, and deck surfaces. Measure cylinder bore diameter at multiple points (top, middle, bottom) and in perpendicular directions to check for taper and out-of-round conditions. Measure crankshaft main journals and rod journals with micrometer to determine if grinding is necessary. Typical wear limit is 0.001 inch out-of-round. Inspect connecting rods for straightness, twist, and wear at pin bores and big end bores. Check deck surface flatness using precision straightedge and feeler gauges - maximum allowed variation is typically 0.002 inch. Send cylinder heads to machine shop for valve job, seat grinding, guide inspection/replacement if needed, and deck surface milling if required. Have crankshaft magnafluxed for cracks and ground to appropriate undersize if journals are worn or scored. Have cylinder bores honed to final dimension appropriate for new piston size (standard or overbore). Have connecting rods reconditioned (resized, aligned) if required.
   ℹ️The F136 engine in the 458 Italia uses a flat-plane crankshaft which is more susceptible to vibration-related wear than cross-plane designs. Careful inspection and balancing is critical.
   ℹ️All machine work should be performed by shops experienced with high-performance Ferrari engines. Specifications are tighter than typical production engines.
9. 9

   Reassemble Cylinder Heads
   Install new valve stem seals onto valve guides using appropriate installation tool - do not hammer seals into place. Lubricate valve stems with assembly lube. Insert valves into guides from combustion chamber side. Install valve springs and retainers over valve stems. Using valve spring compressor, compress springs and install valve keepers in valve stem grooves. Carefully release spring compressor and verify keepers are properly seated. Tap valve tip gently with plastic mallet to ensure keepers are fully seated. Repeat for all valves. Install new camshaft seals into cylinder head cam towers using appropriate seal driver. Lubricate camshaft lobes and journals with engine assembly lubricant. Install camshafts into cylinder heads in correct orientation (intake vs exhaust, timing marks visible). Lubricate cam followers with assembly lube and install into their original positions. Apply RTV sealant to camshaft bearing cap mating surfaces only where and in the amount specified by the Ferrari F136 workshop manual (confirm whether RTV is required or caps seal metal-to-metal). Install camshaft bearing caps in correct positions with orientation arrows pointing toward timing chain end. Install camshaft bearing cap bolts and tighten in sequence from center outward in multiple passes to final specification.
   ℹ️The 458 uses variable valve timing on all four camshafts. Ensure camshaft timing actuators are properly positioned and sealed before cylinder head installation.
   Torque spec

   Camshaft Bearing Cap Bolts14 Nm (10 lb-ft)
10. 10

    Prepare Engine Block and Install Main Bearings
    Clean all main bearing saddles and cap mating surfaces with brake cleaner and lint-free cloths. Blow out all oil passages with compressed air. Chase all threaded holes with appropriate thread chaser to ensure clean threads. Install main bearing inserts into block saddles - ensure bearing tabs are properly seated in notches and bearings are fully seated without gaps. Install thrust washers if equipped at center main bearing position. Lubricate main bearings thoroughly with engine assembly lubricant. Lubricate crankshaft main journals with assembly lubricant. Carefully lower crankshaft into position in block saddles - use assistance or lifting fixture to prevent damage. Verify crankshaft rotates freely without binding. Install main bearing inserts into main caps - ensure tabs are properly seated. Lubricate cap bearings with assembly lubricant. Install main bearing caps in correct positions with orientation markings aligned. Install new main bearing cap bolts (TTY). Tighten main bearing cap bolts in sequence from center outward to the initial torque specification, then apply the additional angle, exactly as specified in the Ferrari F136 workshop manual (verify exact initial torque and angle values before assembly). Verify crankshaft rotates freely after main caps are torqued. Measure crankshaft endplay using feeler gauge or dial indicator - should be within specification (typically 0.002-0.008 inch). Verified detail (The 40 Nm + 90° figure is presented as a guess (also acknowledged in openQuestions) and is not verified against Ferrari F136 spec. Main bearing cap bolt torque on this engine must come from the workshop manual, not a generic assumption.): Tighten main bearing cap bolts in sequence from center outward to the initial torque and angle specified in the Ferrari F136 workshop manual (do not use generic values — verify exact torque and angle before assembly).
    ⚠Main bearing caps must be installed in correct positions and orientation. Installation in wrong position will cause immediate bearing failure and engine seizure.
    ⚠Use only new TTY main bearing cap bolts. Torque-to-yield bolts cannot be reused.
    Torque spec

    Main Bearing Cap Bolts40 Nm (30 lb-ft)
11. 11

    Install Pistons and Connecting Rods
    Install new piston rings onto pistons using ring expander tool. Install oil control ring first (expander and rails), then lower compression ring, then upper compression ring. Verify ring gaps are positioned 120 degrees apart around piston. Verify rings move freely in ring grooves. Press new wrist pins into connecting rods and pistons if replacing pistons, ensuring proper orientation. Install pin retaining clips. Lubricate cylinder bores with engine assembly lubricant. Lubricate piston skirts and rings with assembly lubricant. Install rod bearing inserts into connecting rod big ends - ensure tabs are seated. Lubricate rod bearings with assembly lubricant. Position piston ring gaps 120 degrees apart and offset from piston pin axis and thrust faces. Using piston ring compressor, compress rings fully around piston. Orient piston in correct direction (typically arrow or mark toward front of engine). Insert piston and rod assembly into cylinder bore from top, carefully tapping piston with wooden hammer handle to seat while guiding connecting rod to avoid scratching cylinder wall. Position connecting rod onto crankshaft rod journal. Install rod bearing insert into rod cap. Lubricate cap bearing with assembly lubricant. Install rod cap in correct orientation onto rod. Install new connecting rod bolts (TTY). Tighten connecting rod bolts to the specified initial torque plus the specified angle exactly as given in the Ferrari F136 workshop manual (verify exact torque and angle before assembly). Verify crankshaft rotates freely. Repeat for all 8 cylinders. Verified detail (The 45 Nm + 60-90° range is an unverified guess (also flagged in openQuestions). Connecting rod bolt torque/angle for the F136 must be taken from the Ferrari workshop manual, not an assumed range.): Install new connecting rod bolts (TTY). Tighten connecting rod bolts to the exact torque and angle specified in the Ferrari F136 workshop manual (verify before assembly — do not use generic assumed values).
    ⚠Connecting rod bolts are TTY and must be new. Do not reuse old bolts.
    ⚠Use proper piston ring compressor and ensure rings are fully compressed before inserting piston into bore. Damaged rings will cause immediate engine failure.
    ℹ️Verify piston orientation carefully. Pistons are typically marked with arrow or other indicator that must point toward timing chain end of engine.
    Torque spec

    Connecting Rod Bolts45 Nm (33 lb-ft)
12. 12

    Install Oil System Components
    Install new crankshaft rear main seal using appropriate seal driver - seal should be flush with housing. Install new crankshaft front seal into timing cover using seal driver. Prime oil pump by filling with assembly lubricant or engine oil. Install oil pump onto engine block using new gasket if required or RTV sealant as specified. Install oil pump mounting bolts and tighten to specification. Install oil pump pickup tube with new O-ring and tighten mounting bolts to specification. Apply RTV sealant to the oil pan mating surface using the bead width and method (RTV-only vs. gasket) specified in the Ferrari F136 workshop manual. Install oil pan with new gasket if used (some applications use RTV only). Install oil pan bolts and tighten in sequence from center outward to specification. Allow RTV to cure for minimum time specified before filling with oil (typically 1 hour minimum).
    ℹ️The 458 Italia uses a dry-sump oiling system with external oil tank and scavenge pumps. Ensure all oil system components including external lines and coolers are properly connected and secured.
    Torque spec

    Oil Pump Bolts25 Nm (18 lb-ft)

    Oil Pump Pickup Tube12 Nm (9 lb-ft)

    Oil Pan Bolts12 Nm (9 lb-ft)
13. 13

    Install Cylinder Heads and Timing System
    Install new cylinder head gaskets onto engine block - verify correct orientation and that all alignment dowels are in place. Carefully lower cylinder heads onto block, ensuring gaskets remain properly positioned. Install new cylinder head bolts (TTY). Tighten cylinder head bolts in the proper sequence from center outward in multiple stages to the initial torque plus the specified angle stages exactly as given in the Ferrari F136 workshop manual (verify exact torque and angle values before assembly). Install crankshaft sprocket onto crankshaft - verify key is properly seated. Position crankshaft at TDC using crankshaft locking tool. Install timing chain guides and tensioners in their mounting positions. Install new timing chains onto crankshaft and camshaft sprockets following timing mark alignment as specified in service manual. Install camshaft sprockets onto camshafts with timing chains engaged. Install camshaft locking tools to verify proper timing alignment before proceeding. Release timing chain tensioners and remove locking pins - tensioners should maintain proper chain tension. Remove camshaft and crankshaft locking tools and rotate engine two complete revolutions by hand. Reinstall locking tools to verify timing marks still align correctly. Apply RTV sealant to timing cover mating surfaces as specified. Install timing cover with new gasket and tighten cover bolts in sequence to specification. Install harmonic balancer onto crankshaft. Install crankshaft pulley bolt and tighten to specification (typically requires holding crankshaft with locking tool or bar). Verified detail (The 65 Nm + 90° + 90° values are an unverified guess (also flagged in openQuestions). Head bolt torque/angle staging is engine-specific and must come from the Ferrari F136 workshop manual.): Install new cylinder head bolts (TTY). Tighten cylinder head bolts in the proper sequence and multi-stage torque/angle values specified in the Ferrari F136 workshop manual (verify exact figures before assembly — do not use generic assumed values).
    ⚠️Incorrect valve timing will cause pistons to contact valves resulting in catastrophic engine damage. Verify timing marks align correctly at TDC before completing assembly.
    ⚠Cylinder head bolts are TTY and must be new. Follow multi-stage torque sequence exactly as specified.
    Torque spec

    Cylinder Head Bolts65 Nm (48 lb-ft)

    Timing Chain Guide Bolts12 Nm (9 lb-ft)

    Timing Chain Tensioner Bolt45 Nm (33 lb-ft)

    Cover Bolts16 Nm (12 lb-ft)

    Crankshaft Pulley Bolt180 Nm (133 lb-ft)
14. 14

    Install External Engine Components
    Install thermostat and housing with new gasket. Install water pump with new gasket and tighten mounting bolts to specification. Install exhaust manifolds with new gaskets - apply anti-seize to stud threads. Tighten exhaust manifold nuts in proper sequence from center outward to specification. Install intake manifold with new gaskets - tighten intake manifold bolts in proper sequence from center outward to specification. Install valve covers with new gaskets - apply small amount of RTV sealant at camshaft cap corners as specified. Tighten valve cover bolts in proper sequence to specification. Install all sensors including camshaft position sensors, crankshaft position sensor, oil pressure sensor, coolant temperature sensor using new seals where applicable. Install serpentine belt tensioner, idler pulleys, and belt routing components. Install AC compressor and power steering pump if equipped. Install alternator and mounting bracket. Install new spark plugs and tighten to specification. Install ignition coils.
    ℹ️The 458 valve covers integrate variable valve timing components and cam position sensors. Handle carefully and ensure all sealing surfaces are clean and undamaged.
    Torque spec

    Exhaust Manifold Nuts25 Nm (18 lb-ft)

    Intake Manifold Bolts25 Nm (18 lb-ft)

    Cover Bolts16 Nm (12 lb-ft)

    Sensor Bolts11 Nm (8 lb-ft)
15. 15

    Install Engine and Complete Assembly
    Verify all external components are properly installed and all fasteners are tightened to specification. Attach engine hoist to engine using proper lift points. Carefully lift engine from stand and position above engine bay. Guide engine into position while aligning with transmission bell housing and engine mounts. Install transmission-to-engine mounting bolts and tighten to specification. Install engine mount fasteners at chassis mounting points and tighten to specification. Remove engine hoist. Reconnect exhaust system to manifolds with new gaskets. Reconnect all coolant hoses to engine using new clamps. Reconnect fuel supply and return lines. Reconnect all electrical connectors to engine harness including sensors, ignition coils, fuel injectors, alternator, and starter. Install air intake system. Install new oil filter. Fill engine with the Ferrari-specified synthetic engine oil (verify exact grade and quantity per workshop manual) through the filler. Fill cooling system with the Ferrari-specified coolant (verify exact OEM coolant specification per workshop manual) mixed 50/50 with distilled water - bleed cooling system using bleeder valves. Double-check all connections, fasteners, and fluid levels. Reconnect battery negative terminal. Verified detail (Ferrari specifies a particular OAT-type coolant (Shell/Glysantin-based specification) for the 458; naming a generic 'Shell Premium Antifreeze' product may not match the OEM-approved fill. Verify exact Ferrari coolant specification.): Fill cooling system with the Ferrari-specified OEM coolant per the 458 owner/workshop manual, mixed 50/50 with distilled water as specified - bleed cooling system using bleeder valves.
    ⚠Verify all electrical connectors are fully seated and locked. Loose connections can cause drivability issues or damage to engine management system.
    ℹ️The 458 uses a dry-sump system - ensure external oil tank is filled to proper level and all oil lines are connected and secure before starting engine.
    Torque spec

    Mounting Bolts47 Nm (35 lb-ft)

Reassembly

1. All torque specifications must be followed exactly, particularly for TTY fasteners which require torque plus angle method
2. All gaskets and seals must be replaced with new OEM or equivalent quality parts
3. Maintain absolute cleanliness throughout assembly - any debris in engine will cause premature failure
4. Apply engine assembly lubricant to all bearing surfaces, cam lobes, and cylinder walls during assembly
5. Verify timing chain alignment multiple times before completing timing cover installation
6. Use new fasteners for all TTY applications: cylinder head bolts, main bearing cap bolts, connecting rod bolts, and flywheel bolts
7. Follow all torque sequences exactly as specified - tighten in multiple passes from center outward for heads, manifolds, and covers
8. Allow RTV sealant to cure for specified time before filling with fluids or starting engine

Verification

• Verify engine oil level is correct and no leaks are present at oil pan, valve covers, or timing cover
• Verify coolant level is correct in both expansion tank and radiators - system should be properly bled with no air pockets
• Verify all electrical connectors are properly seated and secured
• Before starting engine, remove spark plugs and crank engine with starter to build oil pressure - verify oil pressure warning light goes out
• Reinstall spark plugs and start engine - listen for any abnormal noises such as knocking, rattling, or valve train noise
• Monitor oil pressure gauge - should show proper pressure immediately upon starting (typically 40-60 psi at idle when warm)
• Allow engine to warm to operating temperature while monitoring for leaks, unusual noises, or warning lights
• Verify cooling fans operate properly and engine reaches normal operating temperature without overheating
• Check for exhaust leaks at manifold connections
• After initial warm-up and cool-down, retorque cylinder head bolts if required by manufacturer specification (some designs require retorque, others do not)
• Perform engine break-in procedure as specified by Ferrari: typically includes varying engine speed for first 500-1000 miles, avoiding sustained high RPM or full throttle, and changing oil after initial break-in period
• Road test vehicle and verify proper engine performance, smooth operation through RPM range, and no fault codes in engine management system
• Recheck all fluid levels after test drive and inspect for any leaks

Related trouble codes on this vehicle

Codes that commonly send this job to the bay — tap one for symptoms, causes, and diagnostic steps.

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