2002 MERCURY VILLAGER

Typical onset: 80,000-140,000 mi

Symptoms: White smoke from exhaust on cold start, Persistent coolant loss with no visible leaks, Rough idle or misfire after sitting overnight, Milky oil or coolant in oil filler cap

Fix: Lower intake plenum gaskets fail and allow coolant into cylinders, causing hydrolock risk and bearing damage. Gasket replacement alone: 4-5 hours. If coolant washed cylinder walls or damaged bearings, you're looking at pistons, rings, bearing work, or full short block—easily 18-25 hours labor for rebuild.

Estimated cost: $800-1,200 for gaskets alone; $3,500-6,500 if engine damage occurred

Typical onset: 90,000-150,000 mi

Symptoms: ATF puddle under engine bay, driver side, Transmission slipping or delayed engagement when fluid low, Burnt ATF smell, Transmission overheating warning (if equipped)

Fix: Steel cooler lines rust through at bends near radiator. Replacing lines is 2-3 hours, but if ignored and ATF runs low, RE4F04A transmission will burn clutches requiring rebuild (12-16 hours) or replacement.

Estimated cost: $350-600 for lines; $2,200-3,800 for transmission rebuild if damaged

Typical onset: 70,000-120,000 mi

Symptoms: Clunk or thud when shifting from Park to Drive or Reverse, Excessive driveline vibration under acceleration, Visible sag or torn rubber in rear trans mount

Fix: Rear transmission mount collapses due to weight and heat. Replacement requires supporting transmission and removing mount bracket—about 1.5-2 hours. OEM or quality aftermarket mount recommended; cheap ones fail in 20k miles.

Estimated cost: $250-450

Typical onset: 100,000-160,000 mi

Symptoms: Overheating in traffic or on highway, Coolant leaking from radiator end tanks (plastic), Heater blowing cold at idle, Mixing of ATF and coolant (strawberry milkshake fluid) if internal trans cooler fails

Fix: Plastic end tank radiators crack; internal trans cooler can fail and cross-contaminate ATF with coolant, destroying transmission. Radiator replacement is 2-3 hours. If cross-contamination occurred, transmission needs complete flush and often rebuild—add 10+ hours.

Estimated cost: $400-700 for radiator; add $1,800-3,200 if trans contaminated

Typical onset: 100,000-180,000 mi

Symptoms: No-crank condition when engine is hot, works fine when cold, Clicking from starter area with no cranking, Intermittent starting issues after short trips

Fix: Starter solenoid contacts wear and fail under heat. Starter replacement requires removing intake duct and working around tight space—about 2 hours labor.

Estimated cost: $350-550

Typical onset: 120,000+ mi or if neglected

Symptoms: Hesitation or stumble under acceleration, Hard starting or extended crank time, Loss of power on highway, Check engine light with lean codes (P0171/P0174)

Fix: In-tank fuel filter clogs if never changed; pump works harder and fails. Filter replacement requires dropping tank—about 2 hours. If pump is also bad, add another 0.5 hour and pump cost.

Estimated cost: $280-450 filter only; $550-800 with pump

Typical onset: 90,000-150,000 mi

Symptoms: Ticking or tapping noise from engine bay on cold start, Exhaust smell in cabin, Visible soot around manifold-to-head joint

Fix: Exhaust manifold studs corrode and snap. Removing broken studs from aluminum head without damage requires care—figure 4-6 hours per bank with drilling, extracting, and retapping.

Estimated cost: $600-1,200 depending on how many studs broke