The 2002 Dodge Grand Caravan with the 3.3L or 3.8L V6 is a spacious workhorse plagued by transmission failures and engine oil sludge issues. Expect major drivetrain work if maintenance history is unknown.
41TE Automatic Transmission Failure
Common · high severityTypical onset: 80,000-140,000 mi
Symptoms: Harsh 2-3 shift or slipping between gears, No movement in reverse or delayed engagement, Transmission overheating, burnt fluid smell, Check engine light with solenoid pack codes
Fix: Solenoid pack replacement buys time (4-6 hrs), but most need full rebuild or replacement (12-16 hrs). Cooler line corrosion often contaminates fluid. Always replace external cooler and flush lines during rebuild.
Estimated cost: $2,200-3,800
3.3L/3.8L Engine Oil Sludge and Bearing Failure
Common · high severityTypical onset: 100,000-180,000 mi
Symptoms: Loud knocking or rod bearing noise on cold start, Oil pressure warning light at idle when warm, Excessive oil consumption (quart per 500-1000 mi), Valve train noise, sludge visible in oil fill
Fix: Sludge clogs pickup screen and starves bearings. Requires full teardown: new bearings, rings, timing components, oil pump (20-28 hrs labor). Short block replacement is often more economical. Head gaskets frequently blown due to overheating from sludge blockage.
Estimated cost: $3,500-5,500
Intake Manifold Plenum Gasket Leak
Common · medium severityTypical onset: 60,000-120,000 mi
Symptoms: Rough idle with P0171/P0174 lean codes, Whistling or hissing from engine bay, Loss of power on acceleration, Oil residue around intake plenum base
Fix: Upper plenum gasket deteriorates, causing vacuum leak. Requires intake removal and gasket set (3-4 hrs). Do EGR tube gaskets and PCV valve at same time—they're always bad.
Estimated cost: $450-750
Lower Ball Joints and Outer Tie Rod Wear
Common · high severityTypical onset: 70,000-110,000 mi
Symptoms: Clunking over bumps from front suspension, Steering wander or pull to one side, Tire wear on inside or outside edges, Play visible when prying on wheel at 12 and 6 o'clock
Fix: Lower ball joints fail first, sometimes catastrophically. OEM design inadequate. Budget both sides plus alignment (4-5 hrs total). Outer tie rods typically worn at same mileage. Sway bar links also common.
Estimated cost: $650-1,100
Evaporative Emission System Leaks
Occasional · low severityTypical onset: 90,000-150,000 mi
Symptoms: Check engine light with P0442 or P0456 small leak code, Fuel smell around rear of vehicle, Difficulty fueling, pump clicking off early
Fix: Leak detection pump (LDP) diaphragm cracks or vapor lines rot at tank. Smoke test required. LDP replacement is 1.5 hrs; tank strap removal for line access adds 2-3 hrs. Gas cap rarely the issue despite common advice.
Estimated cost: $250-650
Rear Drum Brake Self-Adjuster Seizing
Occasional · medium severityTypical onset: 80,000-130,000 mi
Symptoms: Parking brake ineffective or stuck on, Rear brakes dragging, smell of hot brakes, Extended pedal travel before engagement, Grinding noise from rear during light braking
Fix: Self-adjuster mechanisms corrode and seize, causing uneven shoe wear. Full rear brake overhaul both sides: shoes, hardware, wheel cylinders, drums if scored (2.5-3 hrs). Clean and lube adjuster threads thoroughly.
Estimated cost: $400-650
Power Steering Hose Leaks
Occasional · medium severityTypical onset: 100,000-160,000 mi
Symptoms: Power steering fluid puddles under front of vehicle, Groaning or whining noise when turning at low speed, Low fluid level despite topping off, Fluid spray visible on engine bay components
Fix: High-pressure hose develops pinhole leaks or fails at crimp fittings. Hose replacement straightforward (1-1.5 hrs), but often reveals rack or pump also leaking. Inspect carefully before quoting. Subject to recall 04V-384 on some builds.
Estimated cost: $220-450
Buy only with complete service records showing religious fluid changes; otherwise budget $4,000-6,000 for imminent transmission and engine work.
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.