Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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Fig. Fig. 1: Starter motor no-load test connections 3. Low free speed and high current draw indicates: Too much friction. Tight, dirty, or worn bushings, bent armature shaft allowing armature to drag. Shorted armature. This can be further checked on a growler after disassembly. Grounded armature or fields. Check further after assembly. 4. Failure to operate with high current draw indicates: A direct ground in the terminal or fields. “Frozen” bearings. 5. Failure to operate with low or no current draw indicates: Open solenoid windings. Open field circuit. This can be checked after disassembly by inspecting internal connections and tracing the circuit with a test lamp. Open armature coils. Inspect the commutator for badly burned bar after disassembly. Broken brush springs, worn brushes, high insulation between the commutator bars of other causes which would prevent good contact between the brushes and commutator. 6. Low no-load speed and low current draw indicates: High internal resistance due to poor connections, defective leads, dirty commutator and causes listed under Step 6. 7. High free speed and high current drain usually indicate shorted fields. If shorted fields are suspected, replace the field and frame assembly. Also check for shorted armature using a growler. REMOVAL & INSTALLATION 5.7L (VIN Engine See Figures 2 through 20 1. Disconnect the negative battery cable. 2. Raise and safely support the vehicle. 3. For 1984-88 vehicles, perform the following: a. Remove the retainers and the flywheel cover. Fig. Fig. 2: The flywheel cover is retained with 4 bolts Fig. Fig. 3: Remove the bolts, then lower the flywheel cover. It will probably take some maneuvering to get the cover out 2. If necessary for access, unbolt the exhaust system from the manifold and behind the catalytic converter, then remove it from the vehicle.

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SUBJECT: MODELS: “Service Active Handling System” Message in Driver Information Center 2005-2006 Chevrolet Corvette Equipped with Tilt and Telescoping Steering Column (N37) 2005 and 2006 model year Chevrolet Corvette vehicles equipped with a tilt and telescoping steering column (N37). In rare cases, repeated movement of the steering column may cause a signal interruption within the column. If this occurs, the message, “Service Active Handling System” will appear in the Driver Information Center, and one or more of the brakes may apply, possibly causing the vehicle to pull to the right or left. If the driver does not respond to the change in vehicle movement, a crash could occur. SERVICE PROCEDURE 1. Remove the driver’s side closeout (insulator) panel. 2. Locate the Steering Wheel Position Sensor (SWPS) connector that connects to the steering angle sensor, located on the lower center of the steering column. Note: Determine if the (SWPS) connector has a clip installed into the connector, or if tape and a band tie was used to prevent movement of the terminals. • If the SWPS connector has the clip or tape and band tie repair, install the driver’s side closeout (insulator) panel. No further action is required. • If the SWPS connector does NOT have the clip or tape and band tie repair, proceed to Step 3. 3. Install the new clip into the connector. This clip will act as a terminal positive assurance (TPA) and prevent any movement of the terminals. 4. Reinstall the closeout panel. 5. Clear the DTC with a scan tool and road test the vehicle. 6. If DTC C0710 resets during the road test, refer to DTC C0710 in SI.

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CIRCUIT DESCRIPTION The Powertrain Control Module (PCM) enables the appropriate fuel injector on the intake stroke for each cylinder. A voltage is supplied directly to the fuel injectors. The PCM controls each fuel injector by grounding the control circuit via a solid state device called a driver. A fuel injector coil winding resistance that is too high or too low will affect the engine driveability. A fuel injector control circuit DTC may not set, but a misfire may be apparent. The fuel injector coil windings are affected by the temperature. The resistance of the fuel injector coil windings will increase as the temperature of the fuel injector increases. DIAGNOSTIC AIDS Monitoring the misfire current counters, or misfire graph, may help to isolate the fuel injector that is causing the condition. Operating the vehicle over a wide temperature range may help to isolate the fuel injector that is causing the condition. Perform the fuel injector coil test within the conditions of the customers concern. A fuel injector condition may only be apparent at a certain temperature, or under certain conditions. If the fuel injector coil test does not isolate the condition perform the fuel injector balance test. Refer to Fuel Injector Balance Test with Special Tool or Fuel Injector Balance Test with Tech 2. See: Fuel Injector Balance Test\Fuel Injector Balance Test With Special Tool See: Fuel Injector Balance Test\Fuel Injector Balance Test With Tech 2 TEST DESCRIPTION

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REMOVAL PROCEDURE The power antenna is serviced as a complete unit only, however an antenna (mast) which has been bent or broken can be replaced, rather than replacing the complete power antenna. 1. Using the socket (1) provided with the antenna (mast) service kit, remove the antenna mast nut (2). 2. Turn the ignition to the ACC or ON position. 3. Turn the radio ON to raise the power antenna. IMPORTANT: Prior to complete removal, note the orientation of the serrated side of the antenna mast plastic cable (5). The antenna mast plastic cable (5) will likely coil back once removed, take precautions to avoid grease splatter on the vehicle. 4. Remove the antenna mast (4) with the contact spring (3). It may be necessary to gently pull the mast up by hand to release and remove. 5. Turn the radio OFF. 6. Turn the ignition OFF. INSTALLATION PROCEDURE

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REMOVAL PROCEDURE The power antenna is serviced as a complete unit only, however an antenna (mast) which has been bent or broken can be replaced, rather than replacing the complete power antenna. 1. Using the socket (1) provided with the antenna (mast) service kit, remove the antenna mast nut (2).
2. Turn the ignition to the ACC or ON position.
3. Turn the radio ON to raise the power antenna.
IMPORTANT: Prior to complete removal, note the orientation of the serrated side of the antenna mast plastic cable (5). The antenna mast plastic cable (5) will likely coil back once removed, take precautions to avoid grease splatter on the vehicle.