Engine Mechanical:
Engine assembly, cylinder head, block, crankshaft, pistons, camshaft, timing, valve train
Engine Fuel And Emissions:
Fuel injection system (TBI/MPFI), fuel pump, injectors, fuel lines, evaporative emission control (EVAP), catalytic converter, exhaust system
Cooling System:
Radiator, water pump, thermostat, hoses, fan clutch, coolant specifications
Lubrication System:
Oil pump, oil pan, oil filter, oil specifications
Ignition System:
Distributor, ignition coil, spark plugs, spark plug wires, ignition timing
Transmission Manual:
Clutch, gearbox, shift linkage, transmission fluid specifications
Transmission Automatic:
Torque converter, hydraulic control system, valve body, planetary gears, transmission fluid specifications (e.g., Dexron-III)
Driveline And Axles:
Front axle, rear axle, drive shafts, U-joints, differential, axle ratios, fluid specifications
Suspension Front:
Independent front suspension (IFS), control arms, ball joints, coil springs, shock absorbers, torsion bars, steering knuckle
Suspension Rear:
Leaf springs, shock absorbers, axle housing
Steering System:
Power steering pump, steering gear (recirculating ball), tie rods, steering column, steering wheel, alignment specifications
Brake System:
Front disc brakes, rear drum brakes (standard), ABS (if equipped), brake fluid specifications, bleeding procedures, parking brake
Electrical System General:
Battery, starter, alternator, charging system, wiring diagrams, fuses, relays
Lighting System:
Headlights, taillights, turn signals, interior lighting, bulb specifications
Instrumentation And Gauges:
Speedometer, tachometer, fuel gauge, temperature gauge, oil pressure gauge, warning lamps
Heating Ventilation And Air Conditioning HVAC:
HVAC controls, blower motor, heater core, evaporator core, refrigerant, compressor, A/C system diagnostics
Body And Frame:
Frame construction, body panels, doors, hood, tailgate, bumpers, interior trim, glass, seals
Chassis Electrical:
Power windows, power door locks, cruise control, horn, wipers, remote mirrors
Maintenance Procedures:
Oil change, filter replacement, fluid checks and changes, tire rotation, spark plug replacement, brake inspection
Repair Procedures:
Component removal and installation, system overhauls, gasket and seal replacement, assembly and disassembly instructions
Diagnostic Procedures:
Troubleshooting guides, symptom-to-cause charts, fault code interpretation (OBDI), testing methods for electrical components and sensors
Torque Specifications:
Detailed torque values for critical fasteners across all systems
Adjustment Procedures:
Alignment adjustments, brake adjustments, clutch adjustments, throttle cable adjustments
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems
Depth:
Factory-level service and repair information, covering everything from routine maintenance to complete engine and transmission rebuilds.
Diagnostics Level:
Advanced diagnostics, including component testing, signal tracing, and interpretation of diagnostic trouble codes (OBDI).
Special Tools:
Identification and usage instructions for specialized tools required for specific procedures.
Oil Change:
Typically every 3,000-5,000 miles or 6 months, based on driving conditions. Refer to manual for specific recommendations.
Transmission Fluid Change:
Automatic transmission fluid and filter change recommended every 30,000-50,000 miles. Manual transmission fluid check at similar intervals, change less frequently.
Coolant Flush:
Recommended every 24,000-30,000 miles or 2 years. Consult manual for coolant type.
Spark Plug Replacement:
Typically around 30,000-60,000 miles, depending on plug type (copper vs. platinum).
Engine Oil Type:
API Service SG or SH. Viscosity grade typically SAE 10W-30 or 5W-30 for most conditions, but check manual for specific engine and climate. 5.7L and 7.4L may recommend 10W-30.
Coolant Type:
Ethylene glycol based antifreeze. Refer to manual for specific GM specification (e.g., 'blue' coolant).
Brake Fluid Type:
DOT 3 brake fluid.
Tbi Issues:
Throttle Body Injection (TBI) units can sometimes experience clogging of fuel injectors or issues with the idle air control (IAC) valve.
Exhaust Leaks:
Exhaust manifold gaskets and catalytic converter connections can be prone to leaks over time.
Suspension Wear:
Ball joints, tie rod ends, and bushings in the independent front suspension can wear out, leading to alignment issues and clunking noises.
Automatic Transmission Issues:
Older automatic transmissions may develop issues related to worn clutches, solenoids, or torque converter problems, especially with heavy use.