Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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1. 2. Disconnect battery ground cable. On models with mechanical speedometers, reach up under instrument panel and disconnect speedometer cable by pulling cable while pressing tang on rear of speedometer head. On models with mechanical clocks, remove clock set stem and knob. On all models, remove screws attaching instrument cluster bezel to instrument panel, then the bezel. Remove two lower cluster attaching screws, Fig. 15. Pulling top of cluster away from instrument panel, lift out bottom of cluster. Disconnect instrument panel harness connector from printed circuit and remove cluster. Disconnect headlamp and wiper/washer switches. Remove lower extension assembly, engine cover, air cleaner cover and element, Fig. 16. Remove radio control knobs and retaining nuts, Fig. 17. Remove radio rear mounting bracket, then push radio forward in vehicle and lower assembly. Disconnect antenna and electrical connectors, then remove radio. Remove steering column brace bolts and lower column. Remove heater and A/C control attaching screws, then disconnect A/C, temperature and defroster cables. Mark cables for assembly reference. Remove instrument panel attaching bolts and nuts, then disconnect any remaining electrical connectors and remove panel, Fig. 18. Reverse procedure to install. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.

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REMOVE OR DISCONNECT 1. Disable the Supplemental Inflatable Restraint (SIR) system, refer to Disabling the Supplemental Inflatable Restraint (SIR) System. See: Body and Frame/Interior Moulding / Trim/Dash Board / Instrument Panel/Air Bag(s) Arming and Disarming/Service and Repair 2. Negative battery cable. 3. Drain cooling system. 4. Raise vehicle. 5. Drain tube from heater case. 6. Heater hoses from heater core. 7. Lower vehicle. 8. Right and left sound insulators. 9. Steering column opening filler. 10. Floor air outlet duct. 11. Heater core cover. 12. Heater core mounting clamps and remove heater core

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On customer comments of low heater output on 1989-91 J cars, before replacing a suspected defective engine cooling thermostat, proper diagnosis of the condition must be performed to avoid the possibility of a repeat repair. Follow “Diagnosis” as shown in Section 1A/1B of the appropriate Service Manual. After completing the diagnosis, use the following as a guide to the next corrective step: ^ If the diagnosis indicates a defective thermostat, refer to Section 6C for replacement. ^ If the diagnosis indicates a defective temperature control cable, refer to Section 1A/1B for replacement. ^ If the diagnosis indicates the temperature control cable is no longer “snapped” into its retainer, refer to “Temperature Control Cable Repair” in the 1991 Service Manual, Sections 1A/1B. ^ If the diagnosis indicates that the temperature control cable is out of adjustment, refer to the following procedure to repair. TEMPERATURE CONTROL CABLE ADJUSTMENT PROCEDURE Condition: Condition: Cause: Correction For Number: 1. “Spring back” off full “hot” temperature control position (or not attaining full “cold” temperature door position). 2. “Spring back” off full “cold” temperature control position (or not attaining full “hot” temperature door position). The temperature control cable “clip” needs adjustment. Refer to the illustration for correct gripping of the “clip” during adjustment. 1. Grip “clip” at module end of cable while pulling temperature control lever to “hot” position.

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The Crankshaft Position (CKP) sensor is a magnetic generator type sensor. The sensor produces an alternating current signal. The CKP sensor sends the A/C signal to the Powertrain Control Module (PCM) in order to indicate the crankshaft RPM and the position. The PCM uses the CKP sensor signal in order to calculate the following: ^ The ignition sequence ^ The fuel injector sequence ^ Fuel injectors pulse width If the PCM does not receive a CKP sensor signal, the engine will not start. CONDITIONS FOR SETTING THE DTC ^ The engine is cranking. ^ The signal from the CKP sensor is missing for 2 seconds. ACTION TAKEN WHEN THE DTC SETS ^ The PCM illuminates the malfunction indicator lamp (MIL). ^ The PCM records the operating conditions at the time of the diagnostic failure. This information is in the Freeze Frame buffer. CONDITIONS FOR CLEARING THE MIL/DTC The MIL turns OFF after three consecutive trips during which the diagnostic runs, and the fault is not present. A History DTC clears after 40 consecutive warm-up cycles without a fault. Use a scan tool clear the DTC. Disconnect the PCM battery feed in order to clear the DTC

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Subject: Audible Spark Knock (Detonation), MIL Illuminated, DTC P0332 Set (Replace Rear Bank Knock Sensor and RTV Area Around Sensor) Models: 1998-2002 Chevrolet Camaro, Corvette 1998-2002 Pontiac Firebird with 5.7L Engine (VIN G – RPO LS1) 1999-2002 Chevrolet Silverado, Suburban, Tahoe 2002 Chevrolet Avalance 1999-2002 GMC Sierra, Yukon, Yukon XL 2002 Cadillac Escalade, Escalade EXT with 4.8L, 5.3L or 6.0L Engine (VINs V, T, Z, N, U – RPOS LR4, LM7, L59, L09, L04) This bulletin is being revised to add Cadillac Escalade and Cadillac Escalade EXT to the Models. Please discard Corporate Bulletin Number 02-06-04-023 (Section 6 – Engine/Propulsion System). Condition Some customers may comment on a mild to severe engine ping (commonly referred to as spark knock), usually worse during acceleration and/or an illuminated MIL. Upon investigation, the technician may find DTC P0332 set. Cause This condition may be the result of corrosion of the rear bank knock sensor due to water intrusion into the sensor cavity. This condition is more apparent on vehicles in which customers frequently wash the engine compartment