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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Remove two-thirds of the brake fluid from the master cylinder. Raise the vehicle and suitably support. Refer to Vehicle Lifting. Mark the relationship of the wheel to the hub flange. Remove the Wheel. Refer to Tire and Wheel Removal and Installation in Wheels, Tires and Alignment. Important: Do not use a screwdriver or pry bar to compress the caliper piston into the caliper. Any damage to the piston boot could cause corrosive elements to enter the piston sealing area and lead to the piston seizing in the caliper bore. Important: Do not exceed more than 1 mm of piston travel. Damage to the internal adjusting mechanism may result. 5. Using a large C clamp compress the piston into the caliper until resistance is felt, but no more than 1 mm of piston travel in order to gain enough clearance to allow the caliper to pivot off the caliper bracket. 6. Disconnect the park brake cable (1) from the brake caliper. 7. 8. 9. 10. Remove the bottom caliper slide pin. Pivot the caliper body (6) upward. Remove the inboard (2) and outboard (3) pads from the anchor bracket (5). Remove and inspect the pad retainers (1). Important: Inspect the caliper bolt suspension boots for cuts, tears, or deterioration. if damaged, replace the pin boots. Refer to Caliper Bracket Overhaul. Inspect the piston boot for deterioration. If damaged, Refer to Caliper overhaul. Caliper pin bolt for damage or corrosion. Replace if damaged or corroded. Do not attempt to clean away corrosion. Corrosion is typically caused by damaged pin boots. Installation Procedure