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

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1. Disconnect the battery ground cable (14301). For additional information, refer to Section 414-01. 2. WARNING: Fuel supply lines will remain pressurized for long periods of time after engine shut down. This pressure must be relieved before disconnecting any fuel lines or fuel system components. Relieve the fuel system pressure. For additional information, refer to Section 310-00. 3. Remove the engine air cleaner outlet tube. For additional information, refer to Section 303-03. 4. Remove the timing belt. For additional information, refer to Timing Drive Components—Timing Belt in this section. 5. Remove the vacuum hoses at the: positive crankcase ventilation (PCV) valve (6A666). throttle body (9E926). intake manifold (9424). fuel pressure sensor. 6. Disconnect the fuel charging wiring (9D930) electrical connectors at main engine connector. 7. Disconnect the crankshaft position (CKP) sensor electrical connector. 8. Disconnect the fuel line. For additional information, refer to Section 303-04. 9. Remove the power steering pump (3A674) and bracket as an assembly. For additional information, refer to Section 211-02. 10. Remove the generator (GEN). For additional information, refer to Section 414-02. 11. Remove the oil level indicator tube (6754). For additional information, refer to Oil Level Indicator and Tube in this section. 12. Disconnect the heater hoses. For additional information, refer to Section 412-02. 13. Lower the vehicle. 14. Disconnect the upper radiator hose (8260) from the thermostat housing water hose connection. For additional information, refer to Section 303-03. 15. Remove the camshafts (6250). For additional information, refer to Camshaft in this section. 16. Remove the ignition coil (12029) and bracket. For additional information, refer to Section 303-07. 17. Remove the water thermostat housing. For additional information, refer to Section 303-03. 18. Disconnect the knock sensor electrical connector.

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REMOVAL 1. Remove the engine cover. 2. Disconnect ETS connector (A) 3. Disconnect CMP connector (A), and knock sensor connector (B). 4. Disconnect injector connector (A). 5. Remove the delivery pipe (A), brake vacuum hose (B), and PCSV hose (C). 6. Remove coolant hose (A) from throttle body. 7. Remove oil pressure switch connector (A) from bracket. 8. Remove knock sensor connector (A) from bracket. 9. Remove PCV hose (A). 10. Remove oil level gauge. 11. Remove intake manifold stay (A). 12. Remove intake manifold (A) and gasket (B). INSTALLATION 1. Install intake manifold. Tightening torque 18.62 – 27.44 Nm (1.9 – 2.8 kgf.m, 13.7 – 20.2 ft. lbs.) 2. Install intake manifold stay. Tightening torque 18.6 – 27.44 Nm (1.9 – 2.8 kgf.m, 13.7 – 20.2 ft. lbs.) 3. Install oil level gauge 4. Install PCV hose 5. Install air cleaner assembly 6. Install engine cover.

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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

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Initial disassembly 1. Disconnect the battery. Remove battery and the battery tray. 2. Using floor jack, elevate front end and place securely on jack stands. 3. Drain the coolant from the radiator. Capture and save for re-use. 4. Remove both upper and lower radiator hoses. 5. Remove front bumper. 6. Remove both headlights. 7. Remove steel inner bumper. 8. Remove the entire air cleaner assembly, including housing, ducting, and the MAF sensor. 9. Disconnect and remove horns. 10. Remove dipstick and dipstick tube. 11. Remove exhaust manifold. Remove oxygen sensor from manifold for reuse. 12. Loosen alternator tensioner and remove alternator belt. 13. Remove power steering pump belt and then pump (Note: Do not remove lines from pump, lay pump over towards inner fender). 14. Remove power steering pump bracket. 15. Remove bracket holding wires to Crank Position Sensor and Oil Temp Sensor. Cylinder head removal/installation NOTE: THIS PROCEDURE DOES NOT INCLUDE DETAILED INSTRUCTIONS FOR THE REMOVAL/REPLACEMENT OF MAJOR COMPONENTS. PLEASE REFER TO THE MANUFACTURERS SERVICE MANUAL. 1. Remove all electrical connections from the intake manifold. This includes disconnecting all sensor plugs from the throttle body and manifold, removing the fuel injector wiring harness, removing the ground strap, and disconnecting the knock sensor. 2. Disconnect the throttle and cruise control cables from the throttle body and lay cables to sides of engine bay. 3. Disconnect the fuel rail supply hose. Remove fuel rail, complete with injectors. 4. Disconnect the hose from the EVAP canister to the manifold, and unclip canister from manifold.

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Removal Procedure Important: The intake manifold, throttle body, fuel rail, and injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly. 1. Remove the throttle body. Refer to Throttle Body Assembly Replacement in Engine Controls – 4.8L, 5.3L, and 6.0L. 2. Remove the fuel injectors. Refer to Fuel Injector Replacement in Engine Controls – 4.8L, 5.3L, and 6.0L. 3. Disconnect the following electrical connectors: – Manifold absolute pressure (MAP) sensor (1) – Knock sensor (2) – Exhaust gas recirculation (EGR) valve, if equipped. 4. Remove the knock sensor harness electrical connector from the intake manifold. 5. Set the electrical harness aside. 6. If equipped, remove the following EGR pipe bolts: – Intake manifold (1) – Cylinder head (2) – Exhaust manifold (3) 7. If equipped, remove the EGR pipe with valve. 8. If equipped, remove the EGR pipe gasket from the exhaust manifold.