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CAUTION: Performing the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing the following procedures, disconnect the ABS wheel-speed sensor connector (axle side) and fix the wiring harness to an appropriate place where it will not be pulled by mistake while servicing the vehicle. 1. Remove in the order indicated in the table. 2. Install in the reverse order of removal. 3. After installation, inspect the front wheel alignment and adjust it if necessary. (See FRONT WHEEL ALIGNMENT ). LOCKNUT REMOVAL NOTE 1. Knock the crimped portion of the locknut outward using a small chisel and a hummer. 2. Lock the hub by applying the brakes. 3. Remove the locknut. BRAKE CALIPER REMOVAL NOTE 1. Remove the brake caliper component from the steering knuckle and suspend it out of the way using a cable. WHEEL HUB, STEERING KNUCKLE COMPONENT REMOVAL NOTE 1. Separate the shock absorber from the wheel hub, steering knuckle component by tapping the upper part of the steering knuckle with a hammer.

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On some 2003 model year Cadillac Escalade, Escalade EXT, and Escalade ESV; Chevrolet Silverado, Avalanche, Tahoe, and Suburban; GMC Sierra, Yukon, and Yukon XL; and HUMMER H2 vehicles, the passenger door module (PDM) may become inoperative. An inoperative PDM would cause loss of function for the remote keyless entry, front passenger power window, lock, mirror and heated seat functions. Correction Dealers are to reprogram the PDM. Service Procedure Important: The labor time for performing the refresh/reprogram of the passenger door module in this recall is different than the amount of time allowed in Service Bulletin 03-08-52-001B. The labor operation code and time allowance in the service bulletin was for a BCM reprogram, and was not the correct labor operation code for this repair. Inspection Procedure Important: The following inspection must be performed in order to determine the correct repair procedure. 1. Turn the ignition to the ON position. 2. Using the switches in the right front passenger door, verify that the power window and power door lock located in that door, function properly. • If the power window and door locks do NOT function, proceed to the “Refresh and Reprogram” procedure and follow ALL of the steps. • If the power window and door lock function properly, the vehicle only needs to be updated with the new calibration for the passenger door module. Proceed to and follow only steps 4-6 in the “Refresh and Reprogram” procedure. DO NOT PERFORM STEPS 1-3. Refresh and Reprogram Procedure

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Models: 1982-2005 GM Passenger Cars and Light Duty Trucks 2006-2007 Buick Rainier 2006 Cadillac Escalade, Escalade ESV, Escalade EXT 2006 Chevrolet SSR 2006-2008 Chevrolet Avalanche, Colorado, Express, Silverado Classic, Silverado, Suburban, Tahoe, TrailBlazer 2006 GMC Yukon Denali, Yukon Denali XL 2006-2008 GMC Canyon, Envoy, Savana, Sierra Classic, Sierra, Yukon, Yukon XL 2006 Pontiac GTO 2006-2007 HUMMER H2 2006-2008 HUMMER H3 2006-2008 Saab 9-7X with 4L60, 4L60E, 4L65E or 4L70E Automatic Transmission (RPOs MD8, M30, M32, M33 or M70) Condition Some customers may comment that the vehicle has no movement when the transmission is shifted to DRIVE or THIRD position, but there is normal operation when it is shifted to SECOND, FIRST or REVERSE position. Cause This condition may be caused by a damaged forward sprag assembly (642). Correction When inspecting the sprag, it is important to test the sprag for proper operation by holding the outer race (644) with one hand while rotating the input sun gear (640) with the other hand. The sun gear should rotate only in the counterclockwise direction with the input sun gear facing upward. If the sprag rotates in both directions or will not rotate in either direction, the sprag elements should be inspected by removing one of the sprag reserved. retaining rings (643). Refer assembly © 2010 General Motors. All rights

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SUBJECT: MODELS: Heated Windshield Washer Module Short Circuit – Add Wire Harness 2006-2008 model year Buick Lucerne; Cadillac DTS; HUMMER H2 vehicles; 2007- 2008 model year Cadillac Escalade, Escalade ESV, Escalade EXT; Chevrolet Avalanche, Silverado, Suburban, Tahoe; GMC Acadia, Sierra, Yukon, Yukon XL; Saturn OUTLOOK vehicles; and 2008 model year Buick Enclave vehicles equipped with a heated washer fluid system. A short circuit on the printed circuit board for the washer fluid heater may overheat the control-circuit ground wire. This may cause other electrical malfunctions, create an odor, or cause smoke. In rare cases, it may cause a fire. PARTS INFORMATION No parts are required to pull the heated windshield washer fuse. When wire harnesses are available for ordering, a revised bulletin with ordering information will be sent to dealers/retailers. SERVICE PROCEDURE Important: Until wire harnesses become available, the following procedure allows dealers/retailers to remove the heated windshield wiper fuse, disabling the system. 2007-2008 Cadillac Escalade, Escalade EXT, Escalade ESV, 2007-2008 Chevrolet Avalanche, Silverado (GMT900), Suburban, Tahoe, 2007-2008 GMC Sierra (GMT900), Yukon and Yukon XL 1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in SI. Important: The underhood fuse block is located in the engine compartment on the driver side of the vehicle. Refer to Underhood Fuse Block in the Owner’s Manual for fuse information. 2. Locate the underhood bussed electrical center (UBEC). 3. Remove the UBEC cover and locate the 60 amp heated windshield washer fuse. Important: Remove the two relays (1) next to the fuse to gain access to the fuse. 4. Remove the 60 amp heated windshield washer fuse (2) using needle-nose pliers. 5. Store the 60 amp heated windshield washer fuse in the glove compartment. 6. Install the two relays (1) removed in Step 4. 7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in SI. 8. Test the operation of the windshield wiper system. 8.1 Ensure the wiper system functions in low and high positions. 8.2 Verify that the windshield wiper/washer switch functions. The windshield wiper system should provide wiper fluid to the windshield. 8.3 Ensure that the heated windshield washer fluid system has been disabled. • Verify that the heated windshield washer switch does NOT flash. 9. Secure the UBEC cover on the UBEC. 10. Close the hood.

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#PIP4015: SES Light Due To DTCs P0105 P0106 And/Or P0506 – Clean Throttle Body – keywords body clean code codes deceleration DTC engine erratic idle intermittent low PCM plate surge unstable 2004-2007 Buick Rainier 2002-2007 Chevrolet TrailBlazer 2004-2007 Chevrolet Colorado 2002-2007 GMC Envoy 2004-2007 GMC Canyon 2002-2004 Oldsmobile Bravada 2006-2007 HUMMER H3 2005-2007 Saab 9-7X Condition/Concern: On rare occasions, a SES light may be experienced due to DTCs P0105, P0106, and/or P0506. There may or may not be an idle complaint accompanying the SES light. This may be due to excessive carbon build up in the throttle body. Recommendation/Instructions: If the SI diagnostics do not isolate a cause for this concern, clean the throttle body bore and plate for evaluation.