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Trim Panel Replacement – Side Rear Door Tools Required J 36796 Clip Zip Clip Removal Tool or J 38778 Door Trim Pad Clip Remover Removal Procedure 1. Position the window fully downward. 2. Ensure the manual lock knob (1) is in the unlock position. 3. Insert a flat bladed tool into the top service notch in order to disengage the locking clip (2) located at the front of the manual lock knob (1). 4. Remove the manual lock knob (1). 5. Remove the inside handle bezel from the inner door panel in the following order: 1. 2. 3. 4. Hold the inside handle to the open position. Insert a flat bladed tool at the front lower corner of the bezel. Pry outward on the bezel. Remove the bezel from the inner door panel. 6. Remove the screw attaching the inside door handle to the sheet metal. 7. Use the J 36796 or J 38778 in order to release the eight retainers (1) around the outside edges of the door trim panel. 8. Slide the door trim panel (1) upwards to release it from the following: The alignment datums (4) The eight retainers The arm rest steel retainer clips (3) The inner belt molding (2) 9. Disconnect the door trim panel electrical connector. Installation Procedure 1. Position the manual lock rod (1) vertically into the bell crank retainer clip (2).

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1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information. 2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels. 3. Remove the shock module yoke. Refer to Shock Module Yoke Replacement. 4. Remove the stabilizer shaft link lower retaining nut. 5. Remove the stabilizer shaft link from the lower control arm. 6. Remove the ABS wire harness from the lower control arm. 7. Remove the lower control arm to steering knuckle nut. 8. Using the J 43631 , separate the lower control arm from the steering knuckle. See Special Tools. IMPORTANT: Will need to raise the power steering gear to have clearance when removing the rear lower control arm to frame retaining bolt. 9. Loosen the power steering gear retaining bolts and raise the power steering gear. 10. Remove the lower control arm to cradle nuts. 11. Remove the lower control arm to cradle bolts. 12. Remove the lower control arm by lowering the lower control arm at the frame and moving the ball stud upwards. Installation Procedure

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Customer Concern: Tests/Procedures: Potential Causes: Tech Tips: Code C0660 will reset. 1. Check the RTD fuse located in the underhood fuse block. 2. Check for Battery Voltage (B+) on the Orange wire at the automatic level control air compressor pin F. 3. If less than B+ at pin F, check for a wiring and connection problem between the air compressor and the underhood fuse block. 4. Disconnect the compressor leveling module connector and check the resistance from the positive battery voltage circuit of the exhaust solenoid valve and the control circuit of the exhaust solenoid valve. Should be 30-90 ohms. 5. Check for B+ on the Dark Blue wire pin B at the air compressor with the exhaust solenoid commanded off. 6. Check for B+ at the Electronic Suspension Control module connector C2 pin B5 Dark Blue wire with the exhaust solenoid commanded off. 7. If there is B+ at the air compressor but not at the electronic suspension control, check for a wiring and connection problem between the air compressor and the electronic suspension control module. Air Suspension Compressor Vent Solenoid Electronic Suspension Control Ground Power Wiring Conditions for Setting the DTC C0660 • An open in the control circuit of the exhaust solenoid valve • A short to ground in the control circuit of the exhaust solenoid valve • A short to battery in the control circuit of the exhaust solenoid valve • An open in the battery positive voltage circuit of the exhaust solenoid valve • An open RTD fuse • A malfunctioning exhaust solenoid valve

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CAUTION When performing service around Supplemental Inflatable Restraint (SIR) system components or wiring, the SIR system must be disabled. Failure to do so could result in possible air bag deployment, personal injury, or unneeded SIR system repairs. Catera 1. Disconnect the negative battery cable. 2. Remove the steering wheel. 3. Remove the inflatable restraint steering wheel module coil. 4. Insert a small pointed awl or wire into the ignition lock cylinder release pinhole. 5. Pull out the ignition lock cylinder. Fig. Insert a pointed tool into the release pin hole To install: 6. Install the lock cylinder. 1. Look into the hole that receives the lock cylinder on the lower RH side in order to locate the locking lever. 2. Carefully push down on the locking lever using a small flat-bladed tool until an audible click is heard. 3. Place the lock cylinder into the empty hole. 7. Install the inflatable restraint steering wheel module coil. Install the steering wheel. Deville, Fleetwood, Eldorado and Seville 1. Disable the SIR system as follows: 1. Disconnect the negative battery cable. 2. Turn the ignition switch OFF . 3. Remove the SIR fuse. On 1990 Deville and Fleetwood, remove SIR fuse No. 3 from the fuse panel. On 1991-93 Deville and Fleetwood, remove SIR fuse No. 18 from the fuse panel. On 1990-91 Eldorado and Seville, remove SIR fuse No. 19 from the fuse panel. On 1992-93 Eldorado and Seville, remove SIR fuse No. All from the engine compartment fuse panel. 4. On Deville and Fleetwood, remove the left lower sound insulator. On Eldorado and Seville, remove the left side sound insulator. 5. Remove the Connector Position Assurance (CPA) and detach the yellow 2-way connector at the base of the steering column.

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General Motors has decided that a defect which relates to motor vehicle safety exists in certain 2002-2003 model year Cadillac DeVille and Seville vehicles equipped with a V8 (4.6L) engine (LD8/L37), Oldsmobile Aurora vehicles equipped with a V8 (4.0L) engine (L47), and Pontiac Bonneville SSEi vehicles. The fuel tank pressure sensors in these vehicles are unusually susceptible to malfunctions. If the sensor malfunctions, excessive vacuum can be applied to the fuel tank during self-diagnostic testing. Fuel system components can be damaged and fuel can leak from the vehicle when it is refueled. Possible symptoms of this condition are fuel odor from the fuel tank area, inaccurate fuel gauge readings, and poor driveability. If there is an ignition source present, a fire could occur.