Sable V6-3.0L VIN U (1999)
Lifter / Lash Adjuster: Service and Repair
Removal and Installation
Before replacing a valve tappet for noisy operation, make sure the noise is not caused by improper valve-to-rocker arm clearance or by worn rocker
arms or push rods.
Removal
1. Rotate crankshaft to zero degrees Top Dead Center (TDC) on the compression stroke.
2. Disconnect battery ground cable.
3. Drain engine cooling system.
4. Remove crankcase ventilation hose.
5. Remove aspirator hose from air cleaner outlet tube. Remove air cleaner outlet tube from throttle body and engine Air Cleaner (ACL).
6. WARNING: COVER THE FUEL PRESSURE RELIEF VALVE WITH A SHOP CLOTH TO PREVENT ACCIDENTAL FUEL SPRAY
INTO THE EYES.
Carefully relieve fuel pressure at fuel pressure relief valve.
7. Disconnect fuel tubes.
8. Mark location and removal vacuum lines.
9. Disconnect engine control sensor wiring from Camshaft Position Sensor (CMP sensor), Throttle Position Sensor (TP sensor), Idle Air Control
Valve (IAC valve), Engine Coolant Temperature Sensor (ECT sensor), ignition coil, water temperature indicator sender unit, EGR backpressure
transducer and EGR vacuum regulator solenoid electrical connectors.
10. Disconnect upper radiator hose from water hose connection. After loosening retaining clamp, use a twisting motion on upper radiator hose to
loosen from water hose connection.
11. Remove brace from generator mounting bracket to throttle body stud bolt.
12. Remove EGR valve to exhaust manifold tube.
13. Remove upper intake manifold.
14. Disconnect engine control sensor wiring retainers from valve cover stud bolts. Carefully disconnect engine control sensor wiring from each fuel
injector and remove engine control sensor wiring from engine.
15. Disconnect heater water hoses.
