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2018 DODGE GRAND CARAVAN

3.6L V6FWDAUTOMATICgas
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5-Year Cost of Ownership
$28,301 maintenance + known platform issues
~$5,660/yr · 470¢/mile equivalent · $6,007 maintenance + $6,594 expected platform issues
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3.3L V6
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3.8L V6
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4.0L V6
Common Problems & Known Issues

The 2018 Grand Caravan with the 3.6L Pentastar V6 is a solid platform marred by two major weaknesses: the 62TE transmission runs hot and fails prematurely, and the 3.6L engine suffers catastrophic rocker arm/lifter failures that destroy the valvetrain and often require full engine replacement.

62TE Transmission Failure (Overheating and Internal Clutch Pack Damage)

Common · high severity
Typical onset: 80,000-130,000 mi
Symptoms: harsh or delayed 2-3 upshifts, transmission slipping in 4th or 6th gear, limp mode with P0750 or P0871 codes, burnt ATF smell, complete loss of forward gears
Fix: Transmission rebuild or replacement required. External cooler typically fails first, causing internal damage. Full rebuild: 8-12 hours labor. Reman unit swap: 6-8 hours.
Estimated cost: $3,200-5,500

3.6L Pentastar Rocker Arm/Lifter Failure Leading to Valvetrain Destruction

Occasional · high severity
Typical onset: 60,000-110,000 mi
Symptoms: sudden loud ticking or rattling from cylinder heads at startup, P0300 random misfire or cylinder-specific misfire codes, metal shavings in oil, catastrophic loss of power, check engine light with cam/crank correlation codes
Fix: Rocker arms seize or needle bearings fail, damaging camshaft lobes, valves, and pistons. Often requires both cylinder heads, camshafts, and sometimes short block if debris circulates. Conservative repair: both heads R&R with cam replacement, 16-20 hours. Worst case: short block or long block replacement, 24-30 hours.
Estimated cost: $4,500-9,000

Totally Integrated Power Module (TIPM) Electrical Gremlins

Occasional · medium severity
Symptoms: fuel pump not priming (no start), wipers activating randomly, horn honking on its own, power locks cycling, ABS or airbag warning lights with no stored codes
Fix: TIPM internal relays fail due to corrosion or heat. Chrysler updated part numbers multiple times. Replacement: 1.5-2 hours labor. Programming sometimes required.
Estimated cost: $600-1,200

Transmission Oil Cooler Line Corrosion and Leaks

Common · medium severity
Typical onset: 70,000-120,000 mi
Symptoms: ATF puddles under vehicle near radiator, low transmission fluid warning, transmission temperature warning, pink fluid mixing with coolant (internal radiator leak)
Fix: Steel cooler lines rust through at crimps or where they pass frame rails (salt belt especially). External lines: 2-3 hours. If cooler in radiator fails, flush cooling system and replace radiator, add 4-5 hours total.
Estimated cost: $400-1,100

Front Lower Control Arm Bushing Failure

Common · low severity
Typical onset: 80,000-130,000 mi
Symptoms: clunking over bumps, steering wander, excessive tire wear on inside edge, alignment won't hold
Fix: Rubber bushings separate or tear. Replace control arms as assemblies (bushings not sold separately from Mopar). Both sides: 2.5-3 hours.
Estimated cost: $450-750

Evaporative Emissions System Leak (ESIM Module and Purge Valve)

Occasional · low severity
Typical onset: 60,000-100,000 mi
Symptoms: P0456 small EVAP leak code, P0457 loose fuel cap code (when cap is tight), fuel smell near tank, check engine light
Fix: ESIM (Evaporative System Integrity Monitor) pump module on fuel tank fails, or purge valve sticks. ESIM replacement requires dropping tank: 3-4 hours. Purge valve only: 0.5 hours.
Estimated cost: $300-900
Owner tips
  • Change transmission fluid every 50,000 miles with Mopar ATF+4 or equivalent — this transmission runs hot and fluid breakdown accelerates clutch wear
  • Use quality synthetic oil (0W-20 or 5W-20) and change every 5,000 miles max to reduce rocker arm failure risk on the 3.6L
  • Inspect transmission cooler lines annually in rust belt states — catch corrosion early before it strands you
  • If you hear ANY ticking from the engine at cold start, investigate immediately — rocker arm failure goes from noise to catastrophic in under 500 miles
Buy only if under 70,000 miles with documented transmission services and extended warranty coverage — the trans and engine failure risks make this a dice roll beyond that point.
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.
488 jobs across 17 categories

body (30)

brakes (41)

cooling (21)

drivetrain (24)

electrical (75)

engine (67)

exhaust (22)

hvac (23)

interior (24)

maintenance (32)

steering (19)

suspension (47)

transmission (30)

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.
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