1990 OLDSMOBILE CUTLASS CIERA

Typical onset: 80,000-150,000 mi

Symptoms: transmission fluid leaking from radiator area or lines, pink or milky fluid in coolant reservoir (cooler breach), erratic shifting or slipping after coolant contamination, sudden loss of forward gears

Fix: Replace corroded cooler lines (common rust-through on these), flush transmission if caught early. If coolant mixed with ATF, full transmission rebuild or replacement required plus radiator. 2-3 hours for lines alone, 8-12 hours for transmission R&R and rebuild.

Estimated cost: $300-800 for lines and flush, $1,800-3,200 for full transmission work

Typical onset: 90,000-130,000 mi

Symptoms: coolant leak from front of engine between heads, white smoke on cold start, slow coolant loss with no visible external leak, rough idle or misfire from coolant entering cylinders

Fix: Lower intake manifold gaskets fail on these 3.3L engines. Requires manifold removal, new gaskets, coolant flush. Often find warped manifold requiring machining or replacement. 5-7 hours labor.

Estimated cost: $600-1,100

Typical onset: 100,000-180,000 mi

Symptoms: persistent overheating, white exhaust smoke, coolant in oil (milky dipstick), combustion gases in cooling system, loss of compression

Fix: Usually follows ignored cooling system issues or intake gasket breaches. Both heads need removal, resurfacing, new gaskets, often new head bolts. If caught late, may need pistons, rings, bearings due to coolant washing cylinder walls. 12-16 hours for heads only, 20-30 hours if internal damage found.

Estimated cost: $1,500-2,800 for head gaskets only, $3,500-5,500 if short block work needed

Typical onset: 70,000-120,000 mi

Symptoms: heavy clunk when shifting into gear, excessive engine movement visible from engine bay, vibration at idle, clunking over bumps

Fix: Rubber mounts deteriorate and separate. Front and rear engine mounts plus transmission mount typically need replacement as a set. 2-3 hours labor with proper support equipment.

Estimated cost: $350-600

Typical onset: 100,000+ mi

Symptoms: no-start with cranking but no fuel pressure, stalling when hot then restarting when cool (relay), loss of power under load, extended cranking before start

Fix: Fuel pump relay under hood fails from heat cycling. Pump itself can fail from running on low fuel or age. Relay is 15-minute fix, pump requires tank drop. 1.5-2.5 hours for pump R&R.

Estimated cost: $30-60 for relay, $400-700 for pump replacement

Typical onset: 90,000-140,000 mi

Symptoms: whining noise when turning especially when cold, power steering fluid leak from front of engine, heavy steering at low speeds, burning smell from fluid on exhaust

Fix: Shaft seal and pressure hose connections leak on these units. Often more cost-effective to replace pump than rebuild. Pressure hose also commonly leaks at crimp fittings. 2-3 hours for pump, 1 hour for hose.

Estimated cost: $300-550 for pump, $150-280 for hose