2007 DAEWOO LANOS

Typical onset: 70,000-110,000 mi

Symptoms: loud ticking or tapping from cylinder head on cold start, noise persists even after warm-up, loss of power and rough idle in severe cases, check engine light with misfire codes if cam lobes worn

Fix: Often requires full lifter/tappet replacement (all 8 or 16 depending on head design) with camshaft inspection. If cam lobes are scored, add cam R&R and potential head resurface. Budget 6-9 hours labor for lifters alone, 12-16 if cam is damaged. Parts availability is poor—expect delays.

Estimated cost: $800-2,200

Typical onset: 90,000-140,000 mi

Symptoms: white smoke from exhaust, coolant loss with no visible leaks, milky oil on dipstick, overheating or fluctuating temp gauge, rough idle and misfires

Fix: Head gasket job requires cylinder head removal, resurface (almost always warped on these), new gasket set, timing belt kit while you're in there, and coolant flush. Budget 10-14 hours. Often uncovers additional lifter or cam wear requiring further work.

Estimated cost: $1,400-2,800

Typical onset: 60,000-100,000 mi

Symptoms: excessive engine rock on acceleration or deceleration, clunking when shifting into drive or reverse, vibration through shifter and floorboard, visible rubber separation or fluid leak from mount

Fix: Straightforward R&R of rubber mount(s). The Lanos uses a fluid-filled front mount that splits and leaks. 1.5-2.5 hours labor. Aftermarket quality is hit-or-miss—OEM if you can find it.

Estimated cost: $180-350

Typical onset: 80,000-130,000 mi

Symptoms: visible wobble of crankshaft pulley at idle, squealing or chirping from serpentine belt that won't go away with new belt, rough idle or vibration, check engine light with crank position sensor codes

Fix: Rubber ring between inner hub and outer pulley separates, causing wobble and potential crank sensor failure. R&R requires pulley puller and often new crank bolt. If caught late, crankshaft keyway can be damaged requiring engine teardown. 2-3 hours labor.

Estimated cost: $250-500

Symptoms: hard starting or extended cranking, sputtering or hesitation under load, intermittent stalling especially on hills, loss of power at highway speeds

Fix: Inline fuel filter often neglected because it's not in owner's manual service schedule. Should be changed every 30k-40k miles. Located under vehicle near fuel tank. 0.5-1 hour labor. Cheap insurance—do it preemptively on any used purchase.

Estimated cost: $80-150

Typical onset: 80,000-120,000 mi

Symptoms: transmission fluid puddle under front of vehicle, burnt smell from dripping fluid on exhaust, slipping or delayed shifts if fluid level drops, pink or red fluid visible on cooler lines at radiator

Fix: Steel cooler lines rust through at bends and fittings, especially in salt-belt states. Requires line replacement and fluid refill. Some techs fabricate custom lines due to NLA parts. 2-3 hours labor if lines are available.

Estimated cost: $300-600