Buick 89017846 Starter,(Remanufacture)

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When checking for voltage at the starter solenoid during ignition switch activation, the test light should shine brightly or display battery voltage.

It is the reverse of removal. Tighten the starter mounting fasteners.

Remove the starter solenoid shield and the transmission bell housing bolt (Remove the transmission bellhousing cover bolt).- Remove the starter mounting bolts (Remove the starter mounting bolts).- Carefully lower the starter with the terminals facing toward the front of the vehicle.- Disconnect the wires from the terminals on the starter solenoid (Remove the nuts and disconnect the battery cable and the solenoid terminal from the starter motor) and remove the starter from the vehicle.

When dealing with a malfunction in the starting circuit, it's crucial not to jump to conclusions about the starter's involvement. Instead, conduct a thorough inspection starting with the battery cable clamps, ensuring they are clean and tightly connected to the battery. Evaluate the condition of the battery cables, replacing any damaged ones. Test the battery itself, replacing it if it fails any tests. Examine the starter's wiring and connections and confirm the tightness of its mounting bolts. Check the related fuses in the engine compartment fuse box and address blown fuses accordingly. Assess the ignition switch circuit and verify the proper operation of the starter relay located in the underhood electrical center. Additionally, ensure that the Park/Neutral position switch functions correctly, as these systems play a vital role in delivering battery voltage to the starter relay. If the starter remains inactive when the ignition switch is turned to the start position, check for battery voltage at the starter solenoid to determine if it receives the correct voltage from the starter relay. Using a 12-volt test light or voltmeter, monitor the starter solenoid terminal while an assistant activates the ignition switch. A bright test light or indicated battery voltage on the voltmeter confirms the presence of voltage. If voltage is absent, inspect the fuses, ignition switch, starter relay, and associated wiring. If voltage is present but the Starter doesn't engage, remove the starter from the engine and perform a bench test to identify potential issues. Lastly, if the starter cranks slowly, assess the starter cranking voltage and current draw from the battery, keeping an eye on voltage drop and amperage draw. Ensure the battery meets specifications for the application, has clean terminals and cables, and consider warming the battery or engine block in extremely cold temperatures. A slow crank could indicate a problem, and if the starter receives voltage but fails to activate, bench test it to determine if the Starter or solenoid is faulty. In rare cases, check if the engine is seized by attempting to rotate the crankshaft pulley. When bench testing, connect jumpers from the test battery to the starter's terminals and apply battery voltage to the solenoid S terminal while observing the solenoid's actions and the pinion drive. If the pinion drive extends but doesn't rotate, the solenoid is operational but the Starter is faulty. If there is no movement despite the solenoid click, both the solenoid or Starter may be defective. However, if the solenoid plunger extends and rotates the pinion drive, the starter assembly is functioning correctly.

Disconnect the cable from the negative battery terminal. For inline engines, remove the intake manifold. Disconnect the electrical connections at the starter by removing the nuts and disconnecting the battery cable and the solenoid terminal nut and wire from the starter inline engine. Remove the starter nut (top) and bolt (bottom) then remove the starter. Installation is the reverse of removal. Tighten the starter mounting fasteners. For VB engines, loosen the lug nuts of the right front wheel. Raise the vehicle and support it securely on jackstands. Remove the wheel. Disconnect the wiring harnesses from the starter. On 4WD models, remove the front driveshaft. Remove the cover from the right front of the transmission. 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. Installation is the reverse of removal.

Several key components should be inspected when troubleshooting a starting circuit malfunction. These include:Battery cable clamps: Ensure they are clean and securely connected to the battery.Battery cables: Examine them for damage and replace any that are damaged.Battery condition: Assess the battery's condition and replace it if it fails any tests.Starter motor wiring and connections: Inspect them.Starter motor mounting bolts: Check their tightness.Relevant fuses: Examine the relevant fuses in the engine compartment fuse box.Ignition switch circuit: Evaluate its correct operation.Starter relay: Verify its functionality.Park/Neutral position switch: Ensure it operates correctly.