Chevrolet 19180529 Starter Asm,(Remanufacture)(Pg260D)

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When troubleshooting a malfunction in the starting circuit, it is important to check several items before assuming that the starter is the problem. First, ensure that the battery cable clamps are clean and tight where they connect to the battery, and check the condition of the battery cables. Test the battery's condition and check the starter solenoid wiring and connections, as well as the starter mounting bolts for tightness. Additionally, make sure that the shift lever is in PARK or NEUTRAL. If the starter motor does not operate when the ignition switch is turned to the START position, check for battery voltage to the solenoid and test the starting system circuit. If the starter turns over slowly, check the starter cranking voltage and current drawn from the battery. If the starter cranking amp values are not within the correct range, replace the starter with a new unit. If the starter is receiving voltage but does not activate, remove and check the starter/solenoid assembly on the bench, ensuring that the engine is not seized. If the solenoid plunger extends and rotates the pinion drive, the starter/solenoid assembly is working properly.

Remove the starter motor mounting bolts and remove the starter motor.

Disconnect the cable from the negative battery terminal.

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.

The initial steps for removing and replacing a starter motor include:Disconnecting the cable from the negative terminal of the battery.Raising the vehicle and securing it on jackstands.

When dealing with slow starter cranking, especially in extreme cold conditions, consider ensuring the battery meets the application's requirements, having clean and corrosion-free battery terminals and cables, and warming the battery and engine block if necessary.

Remove the cover from the right front of the transmission.

If the starter fails to engage when the ignition switch is turned to start, you should 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.

If the starter turns over slowly, the following steps should be taken: 1. Check the starter cranking voltage. 2. Check the current drawn from the battery. 3. If the starter cranking amp values are not within the correct range, replace the starter with a new unit.

If the starter turns over slowly, the following steps should be taken: 1. Check the starter cranking voltage. 2. Check the current drawn from the battery. 3. If the starter cranking amp values are not within the correct range, replace the starter with a new unit.

Remove the right front wheel well splash shield.

Remove the starter motor heat shield, if equipped.

Remove the starter motor mounting bolts and remove the starter motor.

Simply reverse the removal steps and be sure to tighten the mounting bolts to the torque specifications.

Installation is the reverse of removal.

If the starter turns over slowly, the following steps should be taken: 1. Check the starter cranking voltage. 2. Check the current drawn from the battery. 3. If the starter cranking amp values are not within the correct range, replace the starter with a new unit.

In the engine compartment fuse box, you should:Check the related fuses and address blown fuses accordingly.

If the starter is receiving voltage but does not activate, the following steps should be taken: 1. Remove and check the starter/solenoid assembly on the bench. 2. Ensure that the engine is not seized. 3. If the solenoid plunger extends and rotates the pinion drive, the starter/solenoid assembly is working properly.

Remove the oil pan skid plate, if equipped.