2000 TOYOTA LAND CRUISER

Typical onset: 120,000-200,000 mi

Symptoms: Sudden loss of oil pressure warning, Metallic knocking or rattling from lower engine, Excessive oil consumption (1 qt per 500-1000 mi), Blue smoke on cold start that worsens, Rod punching through block in worst cases

Fix: Full engine rebuild or short block replacement required. 24-32 labor hours including R&R, machine work if heads need resurfacing, new timing belt kit, water pump, all gaskets and seals. Root cause is often combination of sludge buildup from extended oil changes and marginal oiling to rod bearings under hard acceleration. Some shops just swap in a low-mileage JDM motor (16-20 hrs).

Estimated cost: $6,500-12,000

Typical onset: 150,000-220,000 mi

Symptoms: Coolant loss with no visible leaks, White smoke from exhaust (sweet smell), Overheating under load, Oil in coolant or milky oil cap residue, Rough idle or misfire codes

Fix: Both heads off, resurface, new gaskets, bolts, timing belt, water pump while you're in there. 18-24 labor hours. Often find warped heads if overheating occurred. If head warpage exceeds spec, add machine shop time and costs. This job is why you replace the timing belt every 90k religiously—if that belt snaps, bent valves guarantee head work.

Estimated cost: $4,000-6,500

Typical onset: 100,000-180,000 mi

Symptoms: ATF puddles under front of truck near radiator, Pink fluid in coolant overflow (cooler internal leak), Transmission running hot or slipping, Coolant in transmission pan (death sentence)

Fix: External lines rust through or fittings crack—simple line replacement, 1-2 hours. Internal radiator cooler leak (coolant mixing with ATF) requires radiator replacement AND full transmission flush or rebuild if contamination occurred. Coolant in ATF destroys clutch packs fast. Catch it early: just radiator and flush, 4-5 hours. Late: add transmission rebuild, 12-16 hours total.

Estimated cost: $150-800 (lines only), $2,500-5,500 (if trans contaminated)

Typical onset: 80,000-150,000 mi

Symptoms: Coolant smell in cabin, Drips behind engine onto bellhousing, Low coolant light intermittent, Foggy windshield with sweet smell

Fix: Heater control valve and associated hoses on firewall rot out. Access is awful—working blind behind intake manifold. 3-4 hours including coolant drain/refill. Replace all rubber heater hoses at same time; they're 20+ years old. Not safety-critical but messy and annoying.

Estimated cost: $400-700

Typical onset: 80,000-130,000 mi

Symptoms: Clunking over bumps at low speed, Wandering or loose steering feel, Tire wear on inside edge, Play visible when prying on suspension

Fix: Lower ball joints pressed into LCA—not serviceable separately. Must replace entire lower control arm assemblies both sides (always do pairs). 4-5 hours including alignment. OEM arms expensive, aftermarket hit-or-miss on quality. This is a wear item on heavy truck.

Estimated cost: $1,200-1,800

Typical onset: 120,000+ mi

Symptoms: AHC warning light constant, Suspension sags front or rear, Compressor runs constantly, Fluid leaks from hydraulic lines or actuators, Rough ride or bottoming out

Fix: Hydraulic suspension system with pump, accumulator, control valves, and actuators at each corner. Lines corrode, seals fail, pump wears out. Diagnosis 1-2 hours. Repairs range from $500 (single line) to $3k+ (pump/accumulator). Most owners eventually convert to standard coil springs (OME lift kit), 6-8 hours labor, eliminates problem permanently.

Estimated cost: $500-3,500 (repair), $2,000-3,000 (coil conversion)

Symptoms: Hard starting after sitting, Loss of power uphill or under load, Stumbling or surging at highway speed, Lean codes / fuel trim maxed out

Fix: In-tank fuel pump strainer clogs (not replaceable separately) or pump motor weakens. Fuel filter under chassis rusts in place—should be changed every 30k but often neglected. Filter replacement 0.5 hrs. Pump replacement requires tank drop, 3-4 hours. Ethanol fuel accelerates corrosion in 20+ year old system.

Estimated cost: $80-150 (filter), $800-1,200 (pump)