2003 Acura CL Repair Manual

The 2003 Acura CL Repair Manual provides comprehensive technical information for maintaining and repairing the 2003 Acura CL luxury coupe. This manual covers essential systems including the 3.2L V6 engine, 5-speed automatic transmission, suspension, brakes, electrical systems, heating and air conditioning, body components, and routine maintenance procedures. Below are key sections for specifications, maintenance schedules, troubleshooting, and repair procedures.

Vehicle Specifications

Key technical specifications for the 2003 Acura CL.

Maintenance Schedule

Recommended maintenance intervals for optimal performance.

1. Oil and filter change: Every 7,500 miles or 12 months
2. Air filter replacement: Every 30,000 miles
3. Spark plugs: Replace every 105,000 miles
4. Timing belt: Replace every 105,000 miles
5. Brake fluid: Replace every 3 years
6. Transmission fluid: Replace every 30,000 miles
7. Coolant: Replace every 60,000 miles or 5 years

WARNING! Always use genuine Acura parts and fluids for optimal performance and warranty compliance.

Engine Systems

Comprehensive engine repair and maintenance procedures.

1. Engine removal and installation procedures
2. Cylinder head service and valve adjustment
3. Timing belt replacement procedure
4. Fuel system service and injector replacement
5. Ignition system troubleshooting
6. Cooling system maintenance
7. Exhaust system components

CAUTION! Always disconnect battery before working on electrical components. Allow engine to cool before servicing.

Transmission

• Type: 5-speed automatic with SportShift
• Fluid Capacity: 3.1 quarts (drain and refill)
• Fluid Type: Honda/Acura ATF-Z1
• Service Procedures: Fluid change, filter replacement, shift solenoid testing
• Troubleshooting: Shift quality issues, transmission codes
• Special Tools: Transmission fluid pressure gauge set

Brake System

Complete brake system service and repair information.

Front Brakes: 11.8-inch ventilated discs, dual-piston calipers. Rear Brakes: 11.1-inch solid discs, single-piston calipers.

Service Procedures: Pad replacement, rotor resurfacing/replacement, caliper service, ABS component testing, brake bleeding procedure, parking brake adjustment.

Suspension & Steering

Front and rear suspension components and steering system.

1. Front strut replacement procedure
2. Control arm and ball joint service
3. Stabilizer bar and link replacement
4. Wheel alignment specifications
5. Power steering system service
6. Tire rotation patterns and specifications

Tip: Always perform wheel alignment after suspension component replacement.

Electrical System

Wiring diagrams, component locations, and electrical troubleshooting.

1. Battery testing and replacement
2. Alternator output testing
3. Starter motor service
4. Fuse and relay locations
5. Lighting system troubleshooting
6. Power window and door lock systems
7. Instrument cluster service
8. Audio and navigation systems

WARNING! Always disconnect battery before electrical work. Use proper circuit protection.

Heating & AC

Climate control system service and repair.

AC System: R-134a refrigerant, compressor service, condenser replacement, evaporator core service, refrigerant charging procedures. Heating System: Heater core replacement, blend door actuator service, climate control module diagnosis.

Body & Interior

Body panel replacement, interior component service.

Exterior: Bumper cover replacement, door panel service, glass replacement, paint codes. Interior: Seat removal and service, dashboard components, trim panel removal, sunroof service.

Troubleshooting Guide

Diagnostic Tools: Use Acura diagnostic system or equivalent OBD-II scanner for code retrieval.

Technical Support: Contact Acura technical assistance for complex issues.