The 2015 Town & Country with the 3.6L Pentastar V6 is the final year of this minivan platform. The 62TE transmission and its cooling system are the Achilles' heel, while the engine itself has known issues with cylinder head cracking and rocker arm failures that can cascade into catastrophic damage if ignored.
Transmission Oil Cooler Failure and Transmission Damage
Common · high severityTypical onset: 70,000-120,000 mi
Symptoms: Pink milkshake in coolant reservoir (coolant mixing with ATF), Transmission slipping, delayed engagement, or no forward gears, Check engine light with transmission-related codes, Engine overheating in some cases
Fix: The transmission oil cooler inside the radiator fails, allowing coolant and ATF to mix. This contaminates the transmission and destroys clutch packs. Requires radiator replacement, complete transmission flush or rebuild, and cooler line cleaning. If caught early (just cooler failure), 4-6 hours labor. If transmission is damaged, add 12-16 hours for rebuild.
Estimated cost: $800-1,200 (cooler only) or $3,500-5,500 (with transmission rebuild)
Cylinder Head Cracking and Valve Train Failure
Occasional · high severityTypical onset: 80,000-150,000 mi
Symptoms: External coolant leaks from rear cylinder head area, Ticking or tapping noise from valve train that worsens over time, White smoke from exhaust (coolant burning), Misfires on specific cylinders, rough idle, Severe cases: total engine seizure or catastrophic failure
Fix: The 3.6L Pentastar has two known issues: cylinder heads crack between valve seats (especially rear head), and rocker arms fail causing cam lobe damage. Rocker arm failure can drop valves into cylinders, destroying pistons and requiring full engine rebuild or replacement. Single head gasket is 8-10 hours, both heads 14-18 hours. Complete engine rebuild or R&R is 18-25 hours.
Estimated cost: $2,200-3,500 (single head) or $4,500-8,000 (both heads/major engine work)
Transmission Mounts Collapsing
Common · medium severityTypical onset: 60,000-100,000 mi
Symptoms: Clunking noise when shifting from Park to Drive or Reverse, Excessive vibration at idle, especially in Drive, Visible sagging of transmission when inspected from below, Transmission shifting feels harsher than normal
Fix: The hydraulic transmission mount fails and collapses, allowing excessive drivetrain movement. Common on all FCA minivans with the 62TE. Requires lifting engine/trans to replace mount. 2-3 hours labor, straightforward job.
Estimated cost: $350-600
TIPM (Totally Integrated Power Module) Failures
Occasional · high severitySymptoms: Fuel pump not priming, no-start condition, Wipers, windows, or other accessories operating on their own, Intermittent stalling while driving, Multiple electrical systems failing simultaneously, Warning lights and messages appearing randomly
Fix: The TIPM is Chrysler's notorious central fuse/relay box that controls everything electrical. Internal relay failures cause random electrical gremlins or complete no-start. Replacement requires new module programming. Some repair shops can rebuild individual relays (especially fuel pump relay) for less. 2-3 hours labor for replacement.
Estimated cost: $400-700 (relay repair) or $1,200-1,800 (TIPM replacement)
Water Pump and Timing Cover Leaks
Occasional · medium severityTypical onset: 90,000-140,000 mi
Symptoms: Coolant leak from front of engine, visible below water pump area, Coolant level dropping with no external puddle (internal leak), Engine overheating under load or in traffic, Squealing noise from accessory belt area
Fix: The 3.6L water pump is internally mounted and driven by the timing chain. When it fails or the timing cover gasket leaks, it requires significant front-end disassembly. Must remove accessory drives, timing cover, and sometimes radiator. 6-8 hours labor. Many techs recommend doing timing chains while in there if mileage is high.
Estimated cost: $1,200-2,000 (water pump only) or $2,200-3,200 (with timing chains)
Sliding Door Motor and Track Failures
Common · low severityTypical onset: 70,000-120,000 mi
Symptoms: Power sliding doors won't open or close, error messages, Doors open/close slowly or get stuck midway, Grinding or clicking noise from door operation, Doors close on objects or people (sensor failure)
Fix: The power sliding door motors wear out, and the roller tracks get debris buildup or rollers break. Common maintenance item. Motor replacement is 1.5-2 hours per side. Track cleaning and roller replacement adds 1-2 hours. Often only one side fails at a time.
Estimated cost: $400-800 per door motor, $200-400 for track/roller service
Buy only if under 80k miles with documented transmission services and clean Carfax - budget heavily for transmission and engine repairs, or walk away and get a Honda Odyssey instead.
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.