Filed Under (Cadillac) by admin on 28-08-2010
download
Remove the negative battery cable. Remove the intake manifold sight shield-four nuts. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure in Powertrain Management. Remove the air intake duct from the throttle body. Remove the transaxle vent hose and transaxle shift cable at the bracket. Remove the TP sensor and IAC valve connectors. Remove the accelerator cable and cruise control cable at the throttle body. Remove the front bank spark plug wires and lay them aside. Remove the throttle body coolant hoses at the throttle body and the surge tank pipe. Refer to Throttle Body Coolant Hose Replacement in Cooling System. 10. Remove the EGR pipe and the crankcase ventilation pipe at the throttle body spacer. 11. Remove the brake booster vacuum hose at the intake manifold vacuum fitting. 12. Remove the fuel rail ground wire at the rear cylinder head. 13. Remove the quick-connect fittings at the fuel rail. 13.1. Grasp both sides of the fitting. 13.2. Twist the female connector 1/4 turn in each direction to loosen any dirt within fitting. 1. 2. 3. 4. 5. 6. 7. 8. 9. Caution: Safety glasses must be worn when using compressed air, as flying dirt particles may cause eye injury. Blow the dirt out of the fitting using compressed air. Choose the correct tool from the J 37088-A for the size of the fitting. Insert the tool into the female connector, then push/pull inward to release the locking tabs. 13.5. Pull the connection apart. – Using a clean shop towel, wipe off the male pipe end. – Inspect both ends of the fitting for dirt and burrs. – Clean or replace the components or assemblies as required 14. Disconnect the fuel rail bracket at the EGR valve. 15. Disconnect the PCV hose at the intake manifold. 16. Disconnect the injector harness main connector. 13.3. 13.4.
