Engine:
Comprehensive coverage including M30 engine variants, specifications, diagnostics, disassembly, assembly, and repair.
Fuel System:
Bosch L-Jetronic fuel injection system details, fuel pump, injectors, fuel pressure regulator, fuel tank, and lines.
Ignition System:
Electronic ignition system, coil, distributor, spark plugs, timing adjustments.
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan, cooling system diagnostics.
Exhaust System:
Exhaust manifold, catalytic converter (if applicable for model year/region), muffler, exhaust pipes, hangers, and emission controls.
Transmission:
Coverage for both manual (Getrag 260) and automatic (ZF 4HP22) transmissions, including removal, installation, disassembly, assembly, and fluid specifications.
Drivetrain:
Clutch, driveshaft, universal joints, differential, rear axle, and wheel bearings.
Suspension:
Front McPherson struts, rear semi-trailing arms, shock absorbers, springs, bushings, control arms, ball joints, and alignment procedures.
Steering:
Power steering system, steering rack, steering column, tie rods, and associated components.
Brakes:
Front ventilated discs, rear solid discs (typically), brake calipers, master cylinder, brake booster, ABS (if equipped), brake lines, and bleeding procedures.
Electrical System:
Complete wiring diagrams, battery, alternator, starter motor, fuses, relays, lighting system, horn, wipers, power windows, central locking, and dashboard instrumentation.
Body And Chassis:
Body panel removal and installation, doors, hood, trunk, bumpers, interior trim, glass, and chassis components.
Climate Control:
HVAC system, blower motor, heater core, evaporator, refrigerant system, and controls.
Safety Systems:
Seat belts, passive restraints (if applicable for the era), and general safety feature information.
Scheduled Maintenance:
Detailed service intervals for oil changes, filter replacements, tune-ups, fluid checks, and inspections.
Routine Inspections:
Guidelines for inspecting belts, hoses, brakes, suspension, tires, and fluids.
Troubleshooting:
Diagnostic procedures for common and uncommon problems, including symptom-based troubleshooting charts.
Repair And Overhaul:
Step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and installation.
Engine Rebuild:
Comprehensive procedures for engine disassembly, rebuilding pistons, rings, bearings, valve train, and cylinder head refurbishment.
Transmission Rebuild:
Detailed instructions for overhauling both manual and automatic transmissions, including clutch packs, torque converters, and gear sets.
Brake System Service:
Brake pad replacement, rotor resurfacing/replacement, caliper overhaul, brake line replacement, and bleeding.
Electrical Diagnostics:
Using wiring diagrams to diagnose electrical faults, component testing, and circuit tracing.
Suspension And Steering Alignment:
Procedures for wheel alignment, caster, camber, toe adjustments, and replacement of worn suspension components.
Bodywork Repair:
Guidance on body panel alignment, minor dent repair, and trim piece replacement.
Diagnostic Capabilities:
Advanced diagnostic procedures for engine management, fuel injection, and electrical systems, often requiring specialized tools of the era.
Rebuild Instructions:
Complete rebuild procedures for major mechanical components like the engine and transmission.
Specifications Accuracy:
Provides precise torque specifications, clearances, fluid capacities, and electrical resistance values.
Diagnostic Tools:
Mentions or implies the use of factory-specific diagnostic tools and equipment common in the late 80s for proper diagnosis.
Oil Change Interval:
Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil used.
Air Filter Replacement:
Recommended every 15,000-30,000 miles or as needed based on inspection.
Spark Plug Replacement:
Typically every 30,000-50,000 miles, depending on spark plug type (e.g., standard, platinum).
Engine Oil Specification:
API SF or SG rated, SAE 15W-40 or 10W-40 (check manual for specific viscosity based on climate).
Engine Oil Capacity:
Approx. 6.5 liters (6.9 US quarts) with filter change.
Coolant Type:
Ethylene glycol-based antifreeze, mixed 50/50 with distilled water.
Transmission Fluid Manual:
SAE 75W-90 or 80W-90 API GL-4 gear oil.
Transmission Fluid Automatic:
Dexron III (or equivalent) automatic transmission fluid.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Power Steering Fluid:
ATF Dexron II/III (check manual for exact specification).
Common Wear Items:
Control arm bushings, shock absorbers, fuel injectors, fuel pump, and vacuum hoses can degrade over time.
Electrical Gremlins:
Age-related electrical issues, such as corroded grounds, failing relays, and wear in wiring harnesses.
Rust Prone Areas:
Wheel arches, rocker panels, and around windows can be susceptible to rust, particularly in certain climates.
Cooling System Aging:
Plastic components in the cooling system (e.g., expansion tank) can become brittle with age.