Market Position:
The Holden Commodore and Lexcen VR/VS series were popular Australian-manufactured vehicles, representing a significant segment of the domestic market during their production years. This manual targets owners and independent workshops seeking to maintain and repair these vehicles.
Competitive Analysis:
In its era, the Commodore competed with other large sedans and wagons, including Ford Falcon, and imported vehicles. The Lexcen was a rebadged version of the Commodore, aimed at different market segments, often with a focus on value or specific fleet needs. This manual covers both to ensure broad applicability.
Key Features:
Comprehensive coverage, step-by-step instructions with pictures, wide applicability to all models/engines/transmissions, digital format for easy access and printing, DIY cost savings.
Engine Mechanical:
Engine disassembly, assembly, cylinder head, block, crankshaft, camshafts, pistons, connecting rods, lubrication system, cooling system, fuel system components.
Engine Electrical:
Ignition system, starter motor, alternator, engine control unit (ECU) diagnostics, sensors, wiring diagrams.
Transmission Manual:
Clutch operation, gearbox disassembly, assembly, component inspection, maintenance.
Transmission Automatic:
Automatic transmission operation, torque converter, valve body, hydraulic system, transmission control unit (TCU) diagnostics, fluid service.
Drivetrain:
Front wheel drive system, differential, driveshafts, CV joints, axle repairs.
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel alignment specifications.
Steering:
Power steering system, steering rack, tie rod ends, steering column, steering wheel removal and installation.
Brakes:
Hydraulic brake system, ABS (Anti-lock Braking System) operation and diagnostics, brake pads, rotors, calipers, master cylinder, brake lines, parking brake.
Electrical System:
Battery, charging system, lighting system (headlights, taillights, interior lights), power windows, central locking, wipers, horn, fuses, relays, wiring diagrams for all systems.
Bodywork And Chassis:
Body panel removal and installation, doors, hood, trunk, bumpers, interior trim, rust prevention, chassis repair basics.
Heating Ventilation And Air Conditioning:
HVAC system operation, refrigerant handling (R134a), A/C compressor, condenser, evaporator, blower motor, climate control unit diagnostics.
Fuel System:
Fuel pump, fuel injectors, fuel filter, fuel tank, fuel pressure regulator, evaporative emissions (EVAP) system.
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, pipes, hangers.
Preventative Maintenance:
Oil changes, filter replacements, fluid level checks, tire rotation, spark plug replacement, belt inspection and replacement.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common problems.
Repair Procedures:
Step-by-step instructions for virtually every repair, from minor adjustments to major component overhauls.
Component Replacement:
Detailed guidance on replacing specific parts and assemblies.
Diagnostic Procedures:
Information on using diagnostic tools and interpreting fault codes.
Technical Depth:
Comprehensive from basic maintenance to complete engine and transmission rebuilds, including electrical system diagnostics and bodywork.
Oil Change Interval:
Typically 7,500 km or 6 months, whichever comes first. Refer to manual for exact specifications based on oil type.
Coolant Change Interval:
Typically 40,000-60,000 km or 2-3 years.
Transmission Fluid Interval:
Automatic: 40,000-60,000 km. Manual: Check for leaks, fluid changes less frequent but recommended around 100,000 km.
Engine Oil:
API SG/SH or later, SAE 10W-30 or 10W-40 recommended for most conditions (check manual for specific engine requirements).
Automatic Transmission Fluid:
Dexron II-E or Dexron III (check manual for exact specification).
Manual Transmission Fluid:
GL-4 or GL-5 gear oil, SAE 75W-90 or 80W-90 depending on application (check manual).
Coolant:
Ethylene glycol based antifreeze (e.g., Prestone yellow or equivalent) mixed 50/50 with distilled water.
Brake Fluid:
DOT 3 or DOT 4.
Known Issues:
Common issues can include: Head gasket leaks (especially on early V6s), intake manifold gasket leaks, steering rack wear, power steering pump noise, air conditioning system leaks, automatic transmission solenoid issues, radiator and hose degradation. Detailed troubleshooting for these is covered in the manual.
Brand Heritage:
Holden is an iconic Australian automotive brand with a long history of producing vehicles specifically for Australian conditions, often based on General Motors platforms.
Model Evolution:
The VR (1993-1995) and VS (1995-1997) series represented a significant evolution of the Commodore platform. VR introduced a more rounded, aerodynamic styling. VS was a facelift of the VR, featuring updated styling, improved interiors, and more advanced engine options (like the supercharged L67).
Production Location:
Australia (primarily Adelaide, South Australia).
Production Years Platform:
VR: 1993-1995, VS: 1995-1997.