The 2002 Impala on the W-body platform is known for catastrophic 3.8L engine failures and transmission cooling system issues that can total the car if ignored. The 3.4L is marginally better but still prone to intake gasket leaks.
3.8L Series II Engine Sudden Failure (Piston/Ring/Bearing Catastrophe)
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: Sudden metallic knocking or rod knock with no prior warning, Massive oil consumption (quart per 500 miles) leading to seizure, Coolant mixing with oil (milky dipstick) from failed intake gaskets causing bearing damage, Low oil pressure light followed by immediate engine death
Fix: Complete engine rebuild or replacement required. Involves full teardown, new pistons, rings, bearings, machine work on crankshaft. Many shops recommend used/reman engine swap instead. 18-25 labor hours for rebuild, 12-16 for swap.
Estimated cost: $3,500-6,500
Transmission Oil Cooler Line Failure at Radiator
Common · high severity
Typical onset: 70,000-130,000 mi
Symptoms: Pink milkshake fluid in radiator (trans fluid mixing with coolant), Transmission slipping or delayed engagement after overheating, Coolant in transmission pan during service, Transmission failure within days if contamination not caught immediately
Fix: Requires radiator replacement (internal cooler corrodes through), complete transmission fluid flush multiple times, often new transmission if driven after contamination. External cooler addition recommended. 4-6 hours for radiator/flush, 8-12 if trans damaged.
Symptoms: External coolant leaks at front/rear of engine below intake, Coolant loss with no visible external puddle (internal leak into crankcase), Rough idle and misfires from coolant in cylinders, Sweet smell from exhaust, white smoke on startup
Fix: Lower intake manifold removal, gasket set replacement, coolant flush. Must use updated metal gaskets, not Dexcool-compatible plastic OEM style. 5-7 labor hours.
Estimated cost: $650-1,100
Ignition Lock Cylinder Failure
Occasional · medium severity
Symptoms: Key will not turn in ignition or gets stuck, Steering wheel lock engages and won't release, Key can be removed while engine running or in accessory position, Passlock security system triggers no-start condition
Fix: Ignition lock cylinder replacement requires steering column disassembly and Passlock relearn procedure. Recall 14V153 addressed some units but not all. 2-3 labor hours.
Estimated cost: $250-500
Transmission Mount Collapse
Common · low severity
Typical onset: 80,000-120,000 mi
Symptoms: Severe clunk when shifting from Park to Drive or Reverse, Vibration through floorboard at idle in gear, Visible engine/trans movement when applying throttle from stop, Axle shaft angles become extreme causing CV joint wear
Fix: Replacement of transmission mount (torque strut mount also common). Simple bolt-in job but requires supporting trans weight. 1-1.5 labor hours.
Estimated cost: $180-320
Fuel Pump and Sending Unit Failure
Occasional · medium severity
Typical onset: 90,000-150,000 mi
Symptoms: No start with crank but no fuel pressure, Stalling at operating temperature or under load, Fuel gauge reads empty when tank is full or erratic readings, Whining noise from rear seat area when key is on
Fix: Fuel tank drop required on sedan (easier on police package with access panel). Pump and sending unit replaced as assembly. 2.5-3.5 labor hours.
Estimated cost: $450-750
Steering Intermediate Shaft Clunk
Occasional · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Loud clunk when turning wheel at low speeds or parking, Knocking felt through steering column over bumps, Steering feels notchy or catches at center position, More pronounced in cold weather
Fix: Intermediate shaft replacement or bearing service. GM had multiple TSBs and recalls (14V342) for this across W-body. 1.5-2 labor hours.
Estimated cost: $200-400
Owner tips
Avoid any 3.8L with Dexcool still in it — flush immediately to conventional coolant to slow intake gasket deterioration
Install aftermarket external transmission cooler and bypass internal radiator cooler entirely on any high-mileage unit
Check for pink coolant in radiator overflow tank at every oil change — early warning of cooler failure
Change transmission fluid every 30k miles maximum; factory 'lifetime' fluid is a death sentence on these 4T65-E transmissions
3.4L engines are less catastrophic but still need intake gaskets done proactively at 80k miles
Hard pass unless you're getting it for $500 and accept it's a gamble — the 3.8L engine and transmission cooling issues are time bombs that often cost more to fix than the car is worth.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.
Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.
Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engines front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.
ELECTRICAL SYSTEM:IGNITION · 14V400000
2014-07-03
This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring.
General Motors LLC (GM) notified the agency on July 3, 2014, that they are recalling 5,877,718 model year 2000-2005 Chevrolet Impala and Monte Carlo, 1997-2003 Chevrolet Malibu, 2004-2005 Malibu Classic, 1999-2004 Oldsmobile Alero, 1998-2002 Oldsmobile Intrigue, 1999-2005 Pontiac Grand Am and 2004-2008 Pontiac Grand Prix vehicles. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine.
Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.
Remedy: GM will notify owners, and dealers will install two key rings and an insert in the key slot or a cover over the key head on all ignition keys, free of charge. The recall began on September 9, 2014. GM's number for this recall is 14350.
ENGINE AND ENGINE COOLING · 09V116000
2009-04-08 · EA07008
GENERAL MOTORS IS RECALLING 1,497,516 MY 1997-2003 BUICK REGAL, MY 1998-2003 CHEVROLET LUMINA, MONTE CARLO AND IMPALA, MY 1998-1999 OLDSMOBILE INTRIGUE, MY 1997-2003 PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH A 3.8L V6 NATURALLY ASPIRATED ENGINE. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH DROPS OF ENGINE OIL MAY BE DEPOSITED ON THE EXHAUST MANIFOLD THROUGH HARD BRAKING.
Consequence: IF THE MANIFOLD IS HOT ENOUGH AND THE OIL RUNS BELOW THE HEAT SHIELD, IT MAY IGNITE INTO A SMALL FLAME AND MAY SPREAD TO THE PLASTIC SPARK PLUG WIRE CHANNEL AND BEYOND INCREASING THE RISK OF AN ENGINE COMPARTMENT FIRE.
Remedy: DEALERS WILL REPLACE THE ENGINES FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF AN IMPROVED DESIGN AND REMOVE THE ENGINES PLASTIC COVER AND PLASTIC OIL-FILL-TUBE EXTENSION, FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING MAY 2016. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, AND PONTIAC AT 1-800-620-7668 OR HTTP://WWW.PONTIAC.COM OR HTTP:WWW.GMOWNERCENTER.COM.
STEERING · 09E005000
2009-02-17
DORMAN IS RECALLING 979 STEERING KNUCKLES, DORMAN P/NOS. 697-902 AND 697-903, SOLD UNDER DORMAN'S "OE SOLUTIONS<SUP>TM</SUP>" BRAND NAME, AND NAPA P/NOS. 7-8502 AND 7-8503 WHICH WERE SOLD FOR REPLACEMENT USE ON THE VARIOUS VEHICLES LISTED ABOVE. A POTENTIAL MATERIAL OR DESIGN DEFECT COULD RESULT IN THE STEERING KNUCKLE BREAKING IN THE HUB AREA.
Consequence: A BROKEN STEERING KNUCKLE COULD RESULT IN LOSS OF STEERING CONTROL AND A POSSIBLE CRASH WITHOUT WARNING.
Remedy: DORMAN WILL NOTIFY OWNERS AND REPLACE THE DEFECTIVE STEERING KNUCKLES FREE OF CHARGE AND REIMBURSE THE REPAIR FACILITY OR OWNER FOR LABOR. THE RECALL BEGAN ON FEBRUARY 23, 2009. OWNERS MAY CONTACT DORMAN'S TOLL-FREE HOTLINE AT 1-800-523-2492 AND PRESS 5.
STEERING · 08E063000
2008-10-17
DORMAN PRODUCTS IS RECALLING 3,900 INTERMEDIATE STEERING SHAFTS DORMAN PART NOS. 425-151, 425-152, AND 425-153, (SOLD UNDER DORMAN'S "OE SOLUTIONS" BRAND NAME), BALKAMP #'S 7-3057, 7-3058, 7-3059 (SOLD UNDER THE "NAPA" BRAND NAME), AND PLATINUM PARTS #'S 2425151, 2425152, AND 2425153 MANUFACTURED DURING THE MONTH OF SEPTEMBER 2007. THESE REPLACEMENT STEERING SHAFTS CAN BE USED ON THE VEHICLES LISTED ABOVE. THE WELD CONNECTING THE INNER TUBE TO THE OUTER TUBE MAY BE DEFECTIVE.
Consequence: IF THE WELD FAILS, LOSS OF STEERING COULD RESULT, POSSIBLY RESULTING IN A VEHICLE CRASH.
Remedy: DORMAN WILL NOTIFY OWNERS AND REPLACE THE STEERING SHAFTS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 16, 2008. OWNERS MAY CONTACT DORMAN TOLL FREE AT 1-800-523-2492.
CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
Consequence: FUEL MAY LEAK, POSSIBLY RESULTING IN A FIRE.
Remedy: DELPHI WILL NOTIFY OWNERS AND REPLACE THE UPR FREE OF CHARGE. THE RECALL BEGAN ON APRIL 23, 2007. OWNERS CAN CONTACT DELPHI AT 877-411-8770.
AIR BAGS:FRONTAL · 02V222000
2002-08-09
CERTAIN PASSENGER, MINI VANS, AND SPORT UTILITY VEHICLES HAVE AN AIR BAG INFLATOR ON THE DRIVER'S SIDE THAT COULD FRACTURE AT A WELD DURING A DEPLOYMENT.
Consequence: PIECES OF THE INFLATOR COULD STRIKE AND INJURE VEHICLE OCCUPANTS AND THE AIR BAG CUSHION WOULD NOT INFLATE FULLY, REDUCING THE CAPABILITY OF THE BAG TO PROTECT THE DRIVER.
Remedy: DEALERS WILL INSPECT, AND REPLACE, IF NECESSARY, THE AIR BAG MODULE ASSEMBLY ON THE DRIVER'S SIDE. OWNER NOTIFICATION BEGAN AUGUST 15, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BUICK AT 1-800-521-7300, CADILLAC AT 1-800-458-8006, CHEVROLET AT 1-800-222-1020, GMC AT 1-800-462-8782, OLDSMOBILE AT 1-800-442-6537, OR PONTIAC AT 1-800-762-2737.
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