1995 GMC SAFARI

Typical onset: 150,000-220,000 mi

Symptoms: heavy knocking from crankcase especially when cold, metallic rattling at idle that worsens under load, sudden loss of oil pressure, metal shavings in oil filter during changes

Fix: Complete lower end rebuild or short block replacement required. Typical job: 18-24 labor hours for block R&R, machine work, new pistons, rings, bearings, gaskets. High-mileage units often have worn cylinder bores requiring oversized pistons or sleeving. Some shops opt for reman short block swap to save machine time.

Estimated cost: $3,200-5,800

Typical onset: 80,000-140,000 mi

Symptoms: coolant puddle under intake plenum, white smoke from exhaust on startup, rough idle and misfire when coolant seeps into cylinders, external coolant weeping at intake-to-head junction, overheating if leak progresses

Fix: Replace both intake manifold gaskets (Vortec lower gasket uses plastic frame that deteriorates). Must use updated Fel-Pro composite gaskets, not OE-style. Job requires intake removal, cleaning surfaces, sometimes new coolant elbows. 4-6 labor hours typical.

Estimated cost: $650-1,200

Typical onset: 120,000-180,000 mi

Symptoms: transmission fluid dripping from frame rails or radiator area, pink milkshake appearance in coolant reservoir (cooler rupture inside radiator), delayed engagement or slipping after fluid contamination, burnt transmission fluid smell

Fix: Steel cooler lines rust through at frame contact points; radiator-mounted cooler can rupture internally mixing ATF and coolant, destroying transmission. Fix requires new cooler lines (8-10 hours if frame rust makes removal difficult), external cooler install recommended, full transmission flush or rebuild if cross-contamination occurred. Some opt for transmission replacement if damage advanced.

Estimated cost: $800-1,400 (lines/cooler only); $2,200-4,200 (if transmission damaged)

Symptoms: fuel smell in cabin or under vehicle, visible fuel wetness along frame rails, fuel gauge erratic or inoperative, difficulty filling tank (vent line collapse), sagging fuel tank visible during inspection

Fix: Steel fuel lines corrode at frame clips (subject of NHTSA recall but many not repaired). Tank straps rust through allowing tank to sag or separate. Repair involves replacing corroded hard lines from tank to engine bay (6-9 hours depending on rust seizure), new fuel filter, tank straps, sometimes full tank R&R if filler neck or vent lines collapsed. Salt-belt vehicles worst affected.

Estimated cost: $900-1,800

Typical onset: 60,000-100,000 mi

Symptoms: random misfire codes, no-start in damp weather, severe hesitation under acceleration, backfiring through intake, carbon tracking visible inside cap

Fix: Vortec distributor caps crack internally allowing moisture infiltration and carbon tracking. Cap, rotor, and plug wires should be replaced as set every 60-80k. Use quality Delco or equivalent parts—cheap caps fail in months. 1.5 labor hours including new wires and plugs if due.

Estimated cost: $280-450

Typical onset: 100,000-160,000 mi

Symptoms: clunking over bumps from front end, steering wander and poor return to center, uneven tire wear on inside edges, visible cracking in rubber bushings during inspection

Fix: Lower control arm bushings rot out from road salt and age. Replacement requires pressing out old bushings and installing new (or replacing entire arms with new bushings installed). Front end alignment mandatory after. 3-4 labor hours both sides plus alignment.

Estimated cost: $550-850

Symptoms: rear doors won't latch securely, door pops open while driving, cable visible hanging from door panel, latch feels loose or disengaged

Fix: Common on cargo vans with heavy use. Latch assemblies wear, cables stretch or break. Requires door panel removal, new latch or cable assembly. 2-3 labor hours per door.

Estimated cost: $320-550 per door