Pontiac 88969483 Starter

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There is no need to change the starter and solenoid assembly with individual components. In case of a problem, it is important to replace the entire starter/solenoid assembly with a new or rebuilt one. First remove the cable from the battery's negative terminal. Next, jack up the vehicle and ensure it is held firmly by jack stands. Remove the splash shield from under the engine block then disconnect electrical connector from starter solenoid, remove nut and also take off battery cable from solenoid. Then remove starter mounting bolts and take out starter from vehicle. Finally, installation is the reverse of removal.

Before diagnosing problems with the starter, ensure that the battery is fully charged. If there is a malfunction in the starting circuit, do not assume that it is the starter right away. In case of a fault in the starter's operation one should check the following parts:Make sure that battery cable clamps are clean and fastened securely to the battery posts.Check if battery cables are broken anywhere and replace them if necessary.Test battery's condition and change it if it fails any tests.Inspect starter solenoid wiring and connections.Ensure that starter mounting bolts are tight.Examine the fusible links close to positive battery terminal for any burnt ones as well as check operation of ignition switch circuit.For correct operation make sure transmission range sensor (automatic transaxle) or clutch start switch (manual transaxle) returns path through shift lever position. If, when you turn ignition switch to START, engine does not engage with starter, then check at solenoid positive terminal voltage from ignition switch compatible with this system. If there is no current, examine each fuse and relay of the circuit within starting system. In case there is voltage but no movement by motor inside starter assembly you should take it out and test on a test bench. When cranked slowly enough, analyze starting cranking voltage drop across solenoid contacts and current pulled from battery-they must match specified ranges; otherwise substitute faulty unit for new one. In other words to have a good power source matched to engine load; also keep all terminals and cables clean between starts. Also remember about preheating block of ice-cold engine by heating up a car accumulator, for instance, before testing its performance. Finally if you have applied voltage across solenoid windings with no motion at all, then take off whole starter/solenoid assembly to bench-test it and to replace as required on basis of the bench test. If engine is seized attempt to turn crankshaft pulley first. To start with, provide battery voltage to solenoid S terminal during its check and possible starter assessment in a separate operational mode.