1998 Acura CL 2.3 Repair Manual

The 1998 Acura CL 2.3 is a luxury coupe featuring a 2.3L inline-4 engine, 5-speed automatic transmission, front-wheel drive, and premium amenities. This repair manual covers maintenance procedures, troubleshooting, component replacement, and service specifications for the 1998 model year. Below are key sections for maintenance schedules, engine repair, transmission service, electrical systems, brakes, suspension, and troubleshooting.

1. Maintenance Schedule 2. Engine Repair 3. Transmission Service 4. Electrical Systems 5. Brake System 6. Suspension & Steering 7. Heating & AC 8. Body & Interior 9. Specifications 10. Troubleshooting

Maintenance Schedule

Follow manufacturer recommendations for optimal performance and longevity.

IntervalService Required
Every 7,500 milesOil and filter change
Every 15,000 milesRotate tires, inspect brakes
Every 30,000 milesReplace air filter, fuel filter
Every 60,000 milesReplace spark plugs, timing belt
Every 100,000 milesTransmission fluid flush

Engine Repair

The 2.3L inline-4 engine requires proper maintenance for reliable operation.

  1. Oil Change: Drain oil, replace filter (use 5W-30).
  2. Spark Plugs: Replace with NGK BKR6E-11, gap 0.039-0.043 in.
  3. Timing Belt: Replace at 60,000 miles; align marks carefully.
  4. Cooling System: Flush every 30,000 miles; use 50/50 coolant mix.

WARNING! Disconnect battery before service. Allow engine to cool before opening cooling system.

Transmission Service

5-speed automatic transmission requires regular fluid maintenance.

  1. Fluid Change: Drain and refill with Honda ATF-Z1.
  2. Filter Replacement: Replace internal filter during fluid service.
  3. Shift Cable Adjustment: Ensure proper linkage alignment.
  4. Diagnosis: Use scan tool for trouble codes if shifting issues occur.

CAUTION! Use only specified transmission fluid. Overfilling can cause damage.

Electrical Systems

Brake System

Front disc/rear drum brakes with ABS.

Front Brakes: Rotor thickness: 0.945 in min; Pad thickness: 0.079 in min.

Rear Brakes: Drum diameter: 8.66 in max; Shoe thickness: 0.039 in min.

Brake Fluid: Use DOT 3 or 4; flush every 30,000 miles.

Suspension & Steering

Independent front suspension with power steering.

  1. Strut Replacement: Support vehicle safely; replace in pairs if worn.
  2. Ball Joints: Check for play during tire rotation.
  3. Tie Rod Ends: Inspect for looseness; replace if steering is loose.
  4. Alignment: Toe: 0° ± 0.08°; Camber: -0°30' ± 0°45'.

Tip: Always use jack stands when working under vehicle.

Heating & AC

Climate control system maintenance and repair.

  1. AC Recharge: Use R-134a; system capacity: 1.54-1.76 lbs.
  2. Blower Motor: Located under dash; replace if noisy or not working.
  3. Heater Core: Flush if heater output is low.
  4. Compressor: Check clutch engagement; test pressures.

WARNING! AC system under high pressure; evacuate properly before service.

Body & Interior

Maintenance for exterior and interior components.

Door Adjustment: Loosen hinges to align doors properly.

Window Regulators: Replace if window binds or doesn't move.

Seat Mechanisms: Lubricate tracks for smooth operation.

Specifications

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startBattery, starter, fuelCheck battery voltage; test starter; verify fuel pressure.
Rough idleSpark plugs, vacuum leakReplace plugs; check for vacuum leaks at hoses.
Transmission slippingLow fluid, worn clutchCheck fluid level; inspect for leaks; test pressure.
Brake vibrationWarped rotorsResurface or replace front rotors; check calipers.
AC not coolingRefrigerant leak, compressorCheck pressures; leak test; replace compressor if needed.

Reset: Disconnect battery for 10 minutes to reset ECU.

Service: Contact Acura dealer or certified technician for complex issues.

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