Buick 89017557 Starter,(Remanufacture)

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Remove the cover from the right front of the transmission.

When bench testing the starter assembly, observe the solenoid's operation, including the extension and rotation of the pinion drive. Based on these observations, determine whether the solenoid or starter motor is defective or if the starter assembly functions correctly.

Regarding the starter motor and its connections, you should:Examine the starter motor's wiring and connections.Confirm the tightness of its mounting bolts.

Loosen the left front wheel lug nuts, then raise the front of the vehicle and support it securely on jackstands.- Remove the left front wheel.

Remove the starter mounting bolts. Pull the transmission cover from the nose of the starter. Remove the heat shield from the top of the starter if necessary, then remove the starter.

When troubleshooting a malfunction in the starting circuit, avoid immediately assuming the starter as the culprit. Instead, begin by inspecting several key components: Ensure the battery cable clamps are clean and securely connected to the battery. Examine the battery cables and replace any damaged ones. Assess the battery's condition and replace it if it fails any tests. Inspect the starter wiring and connections, and check the tightness of the starter mounting bolts. Examine the relevant fuses in the engine compartment fuse box, and if they are blown, investigate the cause and repair the circuit. Evaluate the ignition switch circuit for correct operation. Verify the functionality of the starter relay, found in the underhood electrical center. Ensure the Park/Neutral position switch operates correctly as these systems are crucial for providing battery voltage to the starter relay. If the starter fails to engage when the ignition switch is turned to start, confirm the presence of battery voltage at the starter solenoid. Attach a 12-volt test light or voltmeter to the starter solenoid terminal and have an assistant turn the ignition switch to start while monitoring the test light or voltmeter. It should shine brightly or display battery voltage. If voltage is absent, inspect fuses, the ignition switch, starter relay, and related wiring in the starting system. If voltage is present but the starter remains inactive, remove the starter from the engine and bench test it. When the starter turns over slowly, check starter cranking voltage and current draw from the battery, ensuring it stays above 8.5 volts and the amperage draw does not exceed 350 amps during a 10-second crank. Excessive draw may require testing by a qualified service department. Factors affecting starter cranking potential include the battery's condition, its cold-cranking rating, clean terminals and cables, and precautions in extreme cold weather. Finally, if the starter receives voltage but fails to activate, bench test the starter assembly, checking for solenoid and starter defects. Ensure the engine is not seized by attempting to rotate the crankshaft pulley. If necessary, use a test battery to supply voltage to the starter solenoid on the bench and observe the solenoid's operation, including the extension and rotation of the pinion drive. Based on these observations, determine whether the solenoid or starter is defective or if the starter assembly functions correctly.