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

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2011 model year Cadillac Escalade EXT; Chevrolet Avalanche, Silverado; and GMC Sierra vehicles. Some of these vehicles have a condition in which the rear axle cross pin was not manufactured to specification. The pin was improperly heat treated and could fracture and become displaced within the rear axle. If this were to occur, the driver may hear a banging noise coming from the axle. If the pin shifts out of position, it could create an interference condition and cause the rear axle to lock. The driver may not be able to maintain directional control of the vehicle and a crash could occur without prior warning. SERVICE PROCEDURE 1. Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle in SI. 2. Shift the transmission into “N” Neutral. 3. FOR SUV ONLY: Remove the LH track bar attachment bolt using a 21 mm socket. 4. FOR SUV ONLY: Remove with a screwdriver the emergency brake cable clip from the track bar. 5. FOR SUV ONLY: Raise the track bar, hanging it with a hook to the frame. 6. Take the cover pan bolts off using a ratchet with a 13 mm socket. Hold the cover pan with your hand to drain the oil in a container. Dispose of the bolts. 7. When most of the oil is drained, remove cover pan and gasket. Store the cover pan and gasket in a secure area. 8. While holding one wheel, turn the other wheel until the lock screw is visible. 9. Remove the lock screw with a ratchet with a 5/16” hexagonal socket while holding the cross pin with a magnet. Dispose of the lock screw. 10. Remove the cross pin by pulling it with the magnet. Discard the cross pin. 11. Using a magnet, insert a new certified cross pin without moving the case position, aligning the cross pin hole with the lock screw hole. 12. Replace the lock screw with a new one and tighten by hand until it stops. Apply a static torque of 35 Nm (26 lb-ft) with a pre-set clicker wrench. Certify the torque applying a slash through the lock screw head and the differential case. 13. Visually inspect the gasket for damage and replace if necessary. 14. Position gasket and cover pan ensuring proper alignment making sure not to damage the gasket.

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1. Remove steering wheel as outlined under “Steering Wheel, Replace” procedure. 2. Remove turn signal switch as outlined under “Turn Signal Switch, Replace” procedure. 3. Remove buzzer switch. 4. Turn lock cylinder to “Run” position, then remove lock cylinder retaining screw and the lock cylinder, Fig. 1. 5. To install, rotate lock cylinder to the stop while holding housing. Align cylinder key with keyway in housing, then push lock cylinder into housing until fully seated. 6. Install lock cylinder retaining screw. 7. Install buzzer switch, turn signal switch and steering wheel.

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REMOVAL PROCEDURE 1. 2. 3. 4. 5. 6. 7. Remove the right sound insulator. Remove the instrument panel compartment. Unsnap the rod from the plastic retainer on the actuator arm. Remove the two screws from the actuator (2). Disconnect the electrical connector (1). Remove the actuator (2). Inspect the air mix door for free travel. INSTALLATION PROCEDURE IMPORTANT : After replacing the actuator (2), recalibrate the actuator (2) for proper travel. Cycle the ignition ON for 3 minutes to allow the programmer and the actuator (2) to recalibrate for proper travel. 1. Install the actuator (2). 2. Connect the electrical connector (1). NOTE : Refer to Fastener Notice in Service Precautions. 3. Install the two screws to the actuator (2). Tighten Tighten the screws to 1.2 N.m (12 lb in) . 4. Snap the rod to the plastic retainer on the actuator arm. 5. Install the instrument panel compartment. 6. Install the right sound insulator.

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Removal Procedure Notice: The wheels of the vehicle must be straight ahead and the steering column in the LOCK position before disconnecting the steering column or intermediate shaft from the steering gear. Failure to do so will cause the coil assembly in the steering column to become uncentered which will cause damage to the coil assembly. 1. Install J 42640 into the steering column access hole in order to lock the steering column. This will maintain the correct steering orientation. 2. Raise and support the vehicle. Refer to Vehicle Lifting. 3. Remove the tires and wheels. 4. Remove the outer tie rods retaining nuts (2). 5. Using J24319-B remove the outer tie rod from the steering knuckle. 6. Remove the intermediate shaft pinch bolt. 7. Disconnect the intermediate shaft from the power steering gear. 8. Remove the steering gear heat shield. 9. Remove the rear transmission mount upper mounting nuts (1). 10. Disconnect the variable effort steering electrical connector, if equipped. 11. Install a drain pan under the vehicle. 12. Remove the power steering pressure and return hoses from the power steering gear. 13. Remove the steering gear mounting bolts. 14. Install a jack under the rear portion of the frame.

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1. 2. 3. 4. 5. 6. Remove the right side sound insulator. Pull back the carpet near the blower motor. Remove the IP compartment. Remove the dash integration module from the bracket. Remove the two rear dash integration module bracket fasteners. Reposition the dash integration module bracket in order to remove the blower motor. 7. Disconnect the electrical connector (2) from the blower motor. 8. Remove the blower motor retaining fasteners (1). 9. Rotate and remove the blower motor from the vehicle. INSTALLATION PROCEDURE Rotate the blower motor in order to install the blower motor into the housing. 1. Install the blower motor into the blower motor housing. 2. Ensure that the blower motor gasket is properly aligned. NOTE: Refer to Fastener Notice in Service Precautions. 3. Install the blower motor retaining screws (1). Tighten Tighten the screws to 1.4 N.m (12 lb in). 4. Connect the electrical connector (2) to the blower motor.