Chevrolet 10465494 Starter,(Remanufacture)

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It may indicate burned solenoid contacts, a bad starter motor, discharged battery, or a bad connection.

Installation is the reverse of removal.

To adjust the shim for the starter, follow these steps: Remove the flywheel housing cover and inspect the flywheel or drive plate for signs of unusual wear. Measure the clearance between the top of the flywheel ring gear tooth and the bottom of the pinion tooth on the starter using a wire-type feeler gauge (round diameter). Normal clearance should be 0.01 to 0.06 inches. If the starter clearance is less than 0.02 inches and the starter whines after engagement, add a 0.04 shim to gain clearance (avoid using more than two shims). If the starter clearance is more than 0.06 inches and the starter whines during engagement, remove a 0.04 shim to gain clearance (avoid removing more than two shims). To install a shim, loosen the inside bolt, remove the outer bolt, and slide the shim between the engine and the starter without removing the starter from the engine block.

If you can't hear the solenoid plunger when the switch is activated, the solenoid may be defective or there may be an open circuit. To check the solenoid, connect a jumper lead between the battery (+) and the "S" terminal on the solenoid. If the starter motor operates, the solenoid is fine, and the problem may be with the ignition switch, neutral start switch, or wiring.

First, check that the shift lever is in Neutral or Park (for automatic transmission) or that the clutch pedal is depressed (for manual transmission). Then, ensure that the battery is charged and that all cables are securely connected at the battery and starter solenoid terminals.

The air cleaner and duct assembly, if necessary. On the 3800, the upper mounting bracket, cooling fan, and oil cooler lines from the radiator may also need to be removed.

To test the starter motor's performance with a voltmeter, run the engine until it reaches normal operating temperature, then disconnect the coil wire from the distributor cap and ground it on the engine. Connect a voltmeter positive lead to the positive battery post and the negative lead to the negative post. Crank the engine and take voltmeter readings as soon as a steady figure is indicated, not exceeding 15 seconds of starter motor turning. A reading of 9 volts or more at normal cranking speed is normal. If the cranking speed is slow and the reading is less than 9 volts, it could indicate various issues like burned solenoid contacts, a bad starter motor, discharged battery, or a bad connection.

The steps for removing the starter in a 4WD vehicle are as follows: Disconnect the negative battery cable. Raise the front of the vehicle and support it securely on jack stands. Removing the wheel (left wheel on 2.2L models, right wheel on 4.3L V6 models) may facilitate better access. Remove the skid plate. On 2.2L models, take off the front driveshaft. In some early models, you may need to raise the engine/transmission with a floor jack under the transmission and remove the transmission cross member for access to the starter motor bolts. If equipped, remove the starter heat shield. From underneath the vehicle, disconnect the solenoid wire and battery cable from the terminals on the solenoid. Remove the starter mounting bolts. Take out the starter motor, noting the location of any spacer shim(s), if present.