2007 PONTIAC SOLSTICE

Typical onset: 60,000-100,000 mi

Symptoms: Rattling noise on cold start that disappears after warmup, Check engine light with timing correlation codes (P0016, P0017), Sudden catastrophic failure with metal shavings in oil, Complete loss of power, bent valves, destroyed pistons

Fix: The 2.0L Ecotec turbo uses a timing chain with inadequate tensioner design. Chain stretches, jumps time, valves hit pistons. If caught early (just noise), timing set replacement is 8-10 hours. If it grenades, you're looking at full engine rebuild or short block replacement at 20-30 hours labor. Most owners don't catch it early enough.

Estimated cost: $3,500-8,500

Typical onset: 70,000-120,000 mi

Symptoms: Burning through 1+ quart every 1,000 miles, Blue smoke on startup or acceleration, Low oil pressure warning at idle, Knocking noise from bottom end, loss of compression

Fix: Piston ring design flaw causes oil burning that starves bearings. Owners who don't check oil weekly end up with spun rod bearings or crank damage. Repair requires full engine rebuild with new pistons, rings, bearings, and often crank polishing. 25-35 hours labor for complete rebuild.

Estimated cost: $4,500-7,000

Typical onset: 50,000-90,000 mi

Symptoms: Transmission fluid puddles under car near front, Burnt transmission fluid smell, Harsh shifting or slipping when trans gets hot, Low fluid level on dipstick, pink residue on coolant reservoir

Fix: Both automatic and manual trans use external oil coolers with steel lines that rust through at mounting brackets. Cooler itself can crack internally, mixing trans fluid with coolant. Line replacement is 2-3 hours; full cooler with flush is 4-5 hours. Common enough that it's a when-not-if item.

Estimated cost: $400-900

Symptoms: Top gets stuck halfway up or down, Hydraulic fluid leaking onto trunk area, Whirring motor noise but top doesn't move, Top operates slowly or unevenly on one side

Fix: Power top hydraulic cylinders leak at seals, motor burns out from strain. Top mechanism is buried under trim requiring 6-8 hours to R&R cylinder or motor. Many owners convert to manual operation rather than fix. Seals alone won't last—cylinders need replacement.

Estimated cost: $1,200-2,200

Typical onset: 40,000-80,000 mi

Symptoms: Gear oil dripping from rear wheel area, Clunking from rear end when cold, Visible oil coating on inside of wheel, Low differential fluid level

Fix: Factory axle seals were defective, recall issued but many cars still leak post-repair. Requires pulling axle shafts and replacing seals properly with updated parts. 3-4 hours labor per side if doing both. Not dangerous but ruins brakes and makes a mess.

Estimated cost: $400-700

Symptoms: Car stalls while driving with no warning, Key position slips from 'run' to 'acc', Power steering and brakes lose assist suddenly, Engine cranks but won't start intermittently

Fix: Part of GM's massive ignition switch recall. Switch can slip out of run position killing engine while driving—extremely dangerous. Recall repair is free at dealer but many cars never got fixed. DIY replacement is 1-2 hours but MUST use updated GM part.

Estimated cost: $0 (recall) or $250-400

Typical onset: 60,000-100,000 mi

Symptoms: Hesitation or stumbling under boost, Loss of power above half throttle, Hard starting when hot, Fuel pump whine audible from rear of car

Fix: In-tank fuel filter clogs prematurely on cars that see E85 or low-quality fuel. Pump works harder, fails earlier. Filter isn't serviceable separately—whole pump module replacement required. Tank must be dropped, 4-5 hours labor.

Estimated cost: $600-1,100