2005 GMC Envoy Instruments – Erratic Speedometer Operation

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Filed Under (GM) by admin on 11-01-2011

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Condition Some customers may comment on erratic operation of the speedometer. Others may comment that the speedometer needle shakes above 96 km/h (60 mph). Cause This condition may be caused by a loose or poor connection at Powertrain Control Module/Engine Control Module (PCM/ECM) ground G108. Correction Technicians are to inspect and repair ground G108 as necessary. Refer to callout 1 in the illustration above for the location of G108. Refer to the Testing for Intermittent Conditions and Poor Connections and the Wiring Repair procedures in SI for more information. Warranty Information (excluding Saab U.S. Models)

2004 GMC Envoy Tailgate Service and Repair

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Filed Under (GM) by admin on 05-11-2010

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Opening the Endgate When There Is an Electrical Failure Removal Procedure 1. Lower the end gate window out of the roof rear header seal. 2. Remove the end gate trim panel. 3. Remove the end gate inner reinforcement panel. 4. Locate the manual release lever (1), located on the upper and lower left latches (2). 5. Slide the manual release levers (1) upward to swing open the end gate. 6. Diagnose and repair the end gate latches. Installation Procedure 1. Install the end gate inner reinforcement panel. 2. Install the end gate trim panel. 3. Check for proper operation of the end gate latches and window.

2003 GMC Envoy Accelerator Pedal Position Sensor Service and Repair REMOVAL PROCEDURE

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Filed Under (GM) by admin on 29-10-2010

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1. Disconnect the accelerator pedal position (APP) sensor electrical connector. 2. Remove the APP sensor retaining fasteners. 3. Remove the APP sensor (2) from the vehicle. INSTALLATION PROCEDURE 1. Install the APP sensor (2) to vehicle. 2. Install the APP sensor retaining fasteners (1). NOTE: Refer to Fastener Notice in Service Precautions. Tighten Tighten the retaining fasteners to 10 N.m (89 lb in) . 3. Connect the APP sensor electrical connector.

2005 GMC Yukon/ Denali XL 1500 Blower Motor Control Processor Replacement

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Filed Under (GM) by admin on 14-10-2010

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1. If equipped, remove the sound insulator panel. 2. Disconnect the electrical connector at the blower motor. 3. Disconnect the electrical connector (4) from the blower motor control processor (2). 4. Remove the blower motor control processor retaining screws (3) from the HVAC module (1). 5. Remove the blower motor control processor (2) from the HVAC module (1). INSTALLATION PROCEDURE 1. Install the blower motor control processor (2) to the HVAC module (1). 2. Install the blower motor control processor retaining screws. NOTE: Refer to Fastener Notice in Service Precautions. Tighten the screws to 1.6 N.m (14 lb in). 3. Connect the electrical connector (4) to the blower motor control processor (2). 4. Connect the electrical connector at the blower motor. 5. If equipped, install the sound insulator panel.

2010 Chevrolet Silverado and GMC Sierra Two-mode Hybrid Owners manual

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Filed Under (Chevrolet) by admin on 18-09-2010

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In Brief Initial Drive Information Hybrid Features Seats and Restraint System 2-1 Rear Seats 2-2 Restraint System Check 2-2 Features and Controls 3-1 Storage Areas 3-2 Starting and Operating Your Vehicle 3-14 Instrument Panel 4-1 Climate Controls 4-2 Warning Lights, Gages, and Indicators 4-3 Driver Information Center (DIC) 4-11 Audio System(s) 4-13 Driving Your Vehicle 5-1 Your Driving, the Road, and the Vehicle 5-2 Towing 5-2 Service and Appearance Care 6-1 Service 6-2 Checking Things Under the Hood 6-3 Electrical System 6-23 Appearance Care 6-25 Capacities and Specifications 6-26 Maintenance Schedule 7-1 Maintenance Schedule 7-2 Index i-1