2002 ROLLS-ROYCE SILVER SERAPH

Typical onset: 60,000-100,000 mi

Symptoms: Cold-start misfires that clear when warm, Progressive loss of compression, White smoke on startup, Rattling from bottom end as bearing damage progresses, Eventually complete seizure or rod knock

Fix: Early nikasil blocks are susceptible to sulfur in fuel degrading the bore coating. Requires full engine rebuild with Alusil replacement block/liners (120-180 hours), or used low-mileage engine swap (80-100 hours). Many Seraphs need this between 70k-90k miles. Short-block replacement is the typical route.

Estimated cost: $18,000-35,000

Typical onset: 50,000-90,000 mi

Symptoms: Transmission fluid in coolant (strawberry milkshake in overflow tank), Engine coolant in transmission (burnt smell, slipping), Erratic shifting or no movement, Overheating of transmission

Fix: The 4L80-E cooler integrated into the radiator fails internally, mixing coolant and ATF. Requires immediate shutdown to prevent complete transmission destruction. Fix demands radiator replacement, complete transmission flush or rebuild if contamination occurred (25-40 hours total), all cooler lines flushed. Catch it early or you're rebuilding the transmission.

Estimated cost: $3,500-12,000

Typical onset: 70,000-120,000 mi

Symptoms: Harsh 2-3 shift or flare on upshift, Delayed engagement into gear, Check engine light with transmission codes (P0758, P0753), Limp mode defaulting to third gear only

Fix: GM's 4L80-E solenoid pack wears from heat cycles and fluid degradation. Requires pan drop, valve body removal, solenoid replacement (6-9 hours). Often done with full fluid/filter service. Not difficult but labor-intensive on this platform due to access.

Estimated cost: $1,800-3,200

Symptoms: Spongy pedal feel developing over weeks, Visible fluid weeping at line junctions near subframe, Complete pedal-to-floor failure if line ruptures, Brake fluid puddles under vehicle

Fix: Steel brake lines rust through from road salt and age, particularly where they route along subframe. NHTSA recall addressed some but not all vulnerable sections. Full brake line replacement front-to-rear is preventive maintenance at 20+ years old (12-18 hours). Piecemeal repairs often lead to another failure within months.

Estimated cost: $2,200-4,000

Typical onset: 60,000-100,000 mi

Symptoms: Clunk when shifting from park to drive, Vibration at idle in gear, Visible sagging of transmission tailshaft, Increased cabin noise

Fix: Hydraulic transmission mount deteriorates from heat and age. Replacement requires supporting transmission, removing crossmember (4-6 hours). OEM mounts are liquid-filled and expensive but necessary for proper NVH isolation in this chassis.

Estimated cost: $800-1,400

Symptoms: Hot-restart failure after short stops, Stumble and stall in traffic on hot days, Long crank times when heat-soaked, Runs fine when cool

Fix: Fuel filter housing and pump design allows vapor formation in high ambient temps, especially with modern ethanol fuel. Requires fuel filter replacement with updated housing design, checking in-tank pump function, possible fuel line insulation (5-8 hours). Not always fully resolved without aftermarket heat shielding.

Estimated cost: $900-1,800