Engine Mechanical:
Complete engine overhaul, diagnostics, timing, lubrication, cooling systems
Engine Control:
ECM, fuel injection, ignition system, emissions control, diagnostic trouble codes (DTCs)
Transmission:
Automatic and Manual Transmission service, repair, diagnostics, fluid specifications
Drivetrain:
Transfer case, propeller shaft, drive shafts, differentials, axle service, maintenance
Suspension:
Front and rear suspension, alignment, shock absorbers, springs, ball joints, bushings
Brakes:
Disc and drum brake systems, ABS, parking brake, hydraulic components, service procedures
Steering:
Steering column, power steering system, steering gear, tie rods, linkages
Electrical:
Comprehensive wiring schematics, lighting, charging system, starting system, battery, alternators
Climate Control:
Air conditioning system service, repair, refrigerant handling, heater core, climate controls
Safety Systems:
Supplemental Restraint System (SRS), airbags, seat belts, occupant restraint systems
Body Interior:
Door locks, power windows, seats, interior trim, instrument panel, exterior body panels, glass
Electronics Multiplex:
Multiplex/CAN communication, body control module (BCM), infotainment, audio/visual systems
Fuel Service:
Fuel pump, fuel filter, fuel injectors, fuel system diagnostics and repair.
Emission Control:
Catalytic converter, oxygen sensors, EVAP system, emissions control diagnostics.
Lube System:
Oil pump, oil filter, lubrication passages, oil pan service.
Ignition Starting Charging:
Spark plugs, ignition coils, starter motor, alternator, battery service, charging system diagnostics.
Parking Brake:
Parking brake system operation, adjustment, and repair.
Wiper Washer:
Wiper motor, linkages, washer pump, fluid reservoir, blade replacement.
Engine Hood Door:
Hood latch mechanism, hinges, door hinges, latches, and strikers.
Exterior Interior:
Bumpers, fenders, mirrors, handles, trim, interior panels, and upholstery.
Diagnostics:
Detailed diagnostic procedures, troubleshooting flowcharts, DTC interpretation
Repair:
Complete step-by-step repair instructions for all listed systems
Maintenance:
Scheduled maintenance, fluid checks, filter replacements, lubrication procedures
Specifications:
Torque specifications, clearances, fluid capacities, electrical values
Schematics:
Complete and detailed wiring diagrams and schematics
Engine Rebuild:
Complete engine disassembly, inspection, repair, and reassembly.
Transmission Overhaul:
Detailed procedures for rebuilding both automatic and manual transmissions.
Brake Bleeding:
Proper procedures for bleeding the brake system, including ABS.
Suspension Component Replacement:
Ball joints, tie rod ends, control arms, shock absorbers, struts.
Wiring Troubleshooting:
Utilizing wiring schematics to diagnose electrical faults.
Air Conditioning Service:
Refrigerant handling, leak detection, component replacement.
Body Panel Repair:
Repair and replacement of exterior body panels.
Depth Of Coverage:
Dealer-level technical expertise, complete rebuild procedures
Diagnostic Tools:
References to diagnostic scan tools and procedures.
Oil Change Interval:
Every 7,500 miles or 12 months (using synthetic oil)
Tire Rotation Interval:
Every 7,500 miles
Transmission Fluid Change:
Consult manual for specific mileage, typically around 50,000-100,000 miles or under severe use
Engine Oil Specification:
SAE 5W-30 Synthetic (for most engines)
Coolant Specification:
GM Engine Coolant (P/N 12346993 or equivalent orange silicate-free)
Brake Fluid Specification:
DOT 3
Common Issues Early Models:
Some reports of differential leaks, steering rack issues, and catalytic converter failures.
Common Issues Diesel:
Potential for injector seal leaks, EGR valve issues (common in diesel engines of this era)