Diagnostic Information for Intermittent Vehicle No Crank/Dead Battery

Download Models: 2004 Buick Rainier 2000-2004 Cadillac Escalade 2002-2004 Cadillac Escalade EXT 2003-2004 Cadillac Escalade ESV 1998-2004 Chevrolet Blazer, S-10 Pickup 1999-2004 Chevrolet Silverado 2000-2004 Chevrolet Suburban, Tahoe 2002-2004 Chevrolet Avalanche, TrailBlazer, TrailBlazer EXT 2003-2004 Chevrolet Express 1998-2004 GMC Jimmy/Envoy, Sonoma 1999-2004 GMC Sierra 2000-2004 GMC Yukon, Yukon XL 2002-2004 GMC Envoy, Envoy XL 2003-2004 GMC Savana 2004 GMC Envoy XUV 1998-2004 Oldsmobile Bravada 2003-2004 HUMMER H2. #04-06-03-002: Diagnostic Information for Intermittent Vehicle No Crank/Dead Battery – (Feb 5, 2004) When diagnosing a concern regarding an intermittent vehicle no crank or dead battery, technicians should remove and reinstall the ignition switch using the Ignition Switch Replacement procedure in the Steering Wheel and Column section of SI. The ignition switch may have been misindexed in the steering column during a previous replacement . If the ignition switch is misindexed in one direction, the ignition switch circuits will not be completely open when the ignition switch is in the OFF position with the key removed.… Read More

2004 Buick LeSabre Shake/Vibration in Steering Wheel

Download 2004 Buick LeSabre | LeSabre (VIN H) Service Manual. Shake/Vibration in Steering Wheel, Floor, Seat at Highway Speeds on Smooth Roads (Diagnose/Balance Tires/Wheels) Models: 1998-2005 Buick Park Avenue, Park Avenue Ultra 2000-2005 Buick LeSabre 1998-2004 Cadillac Seville (SLS, STS) 2000-2005 Cadillac DeVille (DTS only) 2001-2003 Oldsmobile Aurora 2000-2005 Pontiac Bonneville (17″ Tires only) Condition Some customers may comment on shaking/vibration in the steering wheel, floor or seat while driving at highway speeds (typically between 60-72 mph (96-115 km/h)) on smooth roads. Cause These specific vehicles may be sensitive to various rotating mass assemblies, especially if they are considered to be out-of-balance. Correction 1. Visually inspect the tires and the wheels. Inspect for evidence of the following conditions and correct as necessary: 2. Set the tire pressure to 30 psi (205 kPa) COLD. Subject: Shake/Vibration in Steering Wheel, Floor, Seat at Highway Speeds on Smooth Roads (Diagnose/Balance Tires/Wheels) Models: 1998-2005 Buick Park Avenue, Park Avenue Ultra 2000-2005 Buick LeSabre 1998-2004 Cadillac Seville (SLS, STS) 2000-2005 Cadillac DeVille (DTS only) 2001-2003 Oldsmobile Aurora 2000-2005 Pontiac Bonneville (17″ Tires only) • Missing balance weights 3.… Read More

1997 Buick Century COLD ENGINE TICK OR RATTLE AFTER START-UP

Download 1997 Buick Century Limited 3.1/3.4L ENG TICK OR RATTLE AFTER COLD START UP COLD ENGINE TICK OR RATTLE AFTER START-UP (REPLACE PISTON/PIN ASSEMBLY) Model(s): 1994-95 Buick Regal 1994-97 Buick Skylark 1994-98 Buick Century 1994-95 Chevrolet Beretta Corsica, Lumina, Monte Carlo 1996-98 Chevrolet Venture 1997-98 Chevrolet Malibu 1993-97 Oldsmobile Cutlass Supreme 1994-96 Oldsmobile Cutlass Ciera 1994-97 Oldsmobile Achieva 1996-98 Oldsmobile Silhouette 1997-98 Oldsmobile Cutlass 1994-98 Pontiac Grand Am, Grand Prix 1996-98 Pontiac Trans Sport with 3100, 3400 V6 Engine (VINs M, E – RPOs L82, LA1) CONDITION Some customers may comment on a ticking type noise that begins shortly after cold engine start-up and gradually diminishes as the engine warms up. In most cases, the noise is gone after five (5) minutes. In severe cases, the noise may not disappear when lhe engine is hot. CAUSE Under normal design tolerances when the piston pin bore is produced at the maximum tolerance and the piston pin is produced at the minimum tolerance (min-max tolerance) trace noise levels can occur.… Read More

Information on Error Codes on Radio Display – Their Cause and Corrective Action

Download odels: 1995-1996 Buick Roadmaster 1995-1999 Buick LeSabre 1995-2004 Buick Century, Regal 1995-2005 Buick Park Avenue 1996-1999 Buick Riviera, Skylark 2004-2005 Buick Rainier 1995-1999 Chevrolet Lumina, Monte Carlo, Fullsize Pickup Models (Old Style) 1995-2005 Chevrolet Blazer 1996 Chevrolet Lumina APV 1996-1999 Chevrolet Cavalier 1996-2000 Chevrolet Express Van 1996-2002 Chevrolet Astro Van 1997-2002 Chevrolet Camaro 1997-2003 Chevrolet Malibu 1997-2005 Chevrolet Corvette, Venture 2000-2005 Chevrolet Silverado 2002-2005 Chevrolet Avalanche, TrailBlazer, TrailBlazer EXT 2003-2005 Chevrolet SSR 2004-2005 Chevrolet Classic, Colorado 1995-1999 GMC Fullsize Pickup Models (Old Style) 1995-2002 GMC Jimmy 1996-2000 GMC Savana Van 1996-2002 GMC Safari Van 2000-2005 GMC Sierra 2002-2005 GMC Envoy, Envoy XL 2004-2005 GMC Canyon, Envoy XUV 1995-1999 Oldsmobile Aurora, Eighty Eight 1995-1997 Oldsmobile Cutlass Supreme 1999-2004 Oldsmobile Alero 1998-2002 Oldsmobile Intrigue 1995-1996 Oldsmobile Ninety Eight 1996-1999 Oldsmobile Achieva 1996-2004 Oldsmobile Bravada, Silhouette 1995-1999 Pontiac Bonneville, Sunfire 1995-2002 Pontiac Firebird 1995-2005 Pontiac Grand Prix 1996-1997 Pontiac Trans Sport 1996-2000 Pontiac Grand Am 1997-2005 Pontiac Montana 2003-2005 HUMMER H2.… Read More

Clunk, Bump or Squawk when Vehicle Comes to Complete Stop

Download 1999-2000 Cadillac Escalade (Old Style) 2002-2004 Cadillac Escalade, Escalade EXT 2003-2004 Cadillac Escalade ESV 1996-1999 Chevrolet 1500 Series Extended Cab Short Box Pickup (Old Style) 1996-1999 Chevrolet 1500 Series Regular Cab Pickup and Utility Models (Old Style) 1999-2002 Chevrolet Silverado Extended Cab Short Box (New Style) 1999-2004 Chevrolet Silverado 1500 Series Regular Cab (New Style) 2000-2004 Chevrolet 1500 Series Avalanche, Suburban and Tahoe 2001-2004 Chevrolet Silverado 2500/3500 Series Regular Cab with Long Bed or Extended Cab (New Style) 2001-2004 Chevrolet Silverado 2500 Series Crew Cab, Short Box (New Style) 1996-1999 GMC 1500 Series Extended Cab Short Box Pickup (Old Style) 1996-1999 GMC 1500 Series Regular Cab Pickup and Utility Models (Old Style) 1999-2002 GMC Sierra Extended Cab Short Box (New Style) 1999-2004 GMC Sierra 1500 Series Regular Cab (New Style) 2000-2004 GMC 1500 Series Yukon, Yukon XL 2001-2004 GMC Sierra 2500/3500 Series Regular Cab with Long Bed or Extended Cab (New Style) 2001-2004 GMC Sierra 2500 Series Crew Cab, Short Box (New Style) 2003-2005 HUMMER H2 with Four Wheel Drive (4WD) or All Wheel Drive (AWD) and One-Piece Propeller Shaft ONLY.… Read More

1997-1999 Buick Century/Regal 99-2001 AW-200GM INSTALLATION INSTRUCTIONS

Download BUICK Century 1997-99 LeSabre 1995-99 1 Park Avenue 1995-99 Regal 1995-99 Riviera 1996-99 Roadmaster 1995-96 Skylark 1996-98 CHEVROLET Impala 2000 Venture 2000 OLDSMOBILE Achieva 1996-98 Aurora 1995-99 Bravada 1998-99 Cutlass 1998-99 Cutlass Supreme 1995-97 Eighty-Eight 1994-99 Intrigue 1998-99 LSS 1996-99 Ninety-Eight 1994-96 Regency 1997-98 Silhouette 2000 PONTIAC Montana 2000 Sunfire 2000. BUICK LeSabre / Park Avenue 1995-99 Disconnect the negative battery terminal to prevent an accidental short circuit. Remove the plastic trim piece to the left of the glove box and (1) Phillips screw exposed. Unsnap the top edge of the knee bolster panel. Remove (1) Phillips screw from the panel. Remove the ashtray cluster and (2) Phillips screws from each side. Unclip the entire dash trim bezel and remove. Remove (3) 9/32″ hex-head screws securing the factory head unit and disconnect the wiring. Skip to the Installation Instructions for ALL VEHICLES on Page #6. CHEVROLET Impala 2000 Disconnect the negative battery terminal to prevent an accidental short circuit.… Read More

2004 Chevrolet Chevy Suburban Gradual Coolant Loss Over Time with No Evidence of Leak Found

Download 2004 Chevrolet Chevy Suburban – 4WD | Avalanche, Escalade, Suburban, Tahoe, Yukon (VIN C/K) Service Manual. Information on Gradual Coolant Loss Over Time with No Evidence of Leak Found. Models: 2004-2006 Buick Rainier 2001-2006 Cadillac Escalade Models 2001-2006 Chevrolet Avalanche, Blazer, Silverado, Suburban, Tahoe, TrailBlazer Models 2001-2006 GMC Envoy, Jimmy, Sierra, Yukon Models 2001-2004 Oldsmobile Bravada 2005-2006 Saab 9-7X with 4.8L or 5.3L VORTEC® GEN III, GEN IV V8 Engine (VINs V, T, M, B, Z – – RPOs LR4, LM7, LH6, L33, L59) Some vehicles may experience a gradual coolant loss over time. A very low percentage of cylinder head(s) manufactured with an embossed Castech logo may develop a porosity crack in a very specific area. Inspect the cylinder head assembly to determine if the casting was manufactured by Castech. This can be accomplished by inspecting for their casting logo located on top of the intake port, under the rocker arm support rail and in the spring deck cavity portion of the cylinder head.… Read More

2004 Pontiac Grand Prix Blower Motor Inoperative or Intermittent

Download 2004 Pontiac Grand Prix | Grand Prix (VIN W) Service Manual Subject: Blower Motor Inoperative or Intermittent, Blower Speed May Drop or Blower Continues to Run After Key Off (Install a Capacitor at Blower Motor Control Module Connector) Models: 2005 Buick Allure (Canada Only), LaCrosse 2004-2005 Pontiac Grand Prix. 2004 Pontiac Grand Prix | Grand Prix (VIN W) Service Manual | Document ID: 1644694 #05-01-39-001A: Blower Motor Inoperative or Intermittent, Blower Speed May Drop or Blower Continues to Run After Key Off (Install a Capacitor at Blower Motor Control Module Connector) – (Apr 6, 2005) This bulletin is being revised to update Step 5 of the service procedure. Please discard Corporate Bulletin Number 05-01-39-001 (Section 01 — HVAC). Condition Some customers may comment on an inoperative or intermittent Heating, Ventilation and Air Conditioning (HVAC) blower motor. Others may comment that the blower motor speed may momentarily drop or that the blower motor continues to run after the key is turned off.… Read More

2007 Chevrolet Impala Transmission 1-2 Shift Shudder at Light to Moderate Acceleration

Download Models: 2001-2004 Buick Regal 2001-2005 Buick Century, LeSabre 2002-2007 Buick Rendezvous 2005-2007 Buick Terraza, LaCrosse, Allure (Canada Only) 2006-2007 Buick Lucerne 2001-2005 Chevrolet Venture 2001-2007 Chevrolet Impala, Monte Carlo 2005-2007 Chevrolet Uplander 2006-2007 Chevrolet Malibu SS, Malibu Maxx SS 2001-2002 Oldsmobile Intrigue 2001-2003 Oldsmobile Aurora 2001-2004 Oldsmobile Silhouette 2001-2005 Pontiac Aztek, Bonneville, Montana 2001-2007 Pontiac Grand Prix 2005-2007 Pontiac Montana SV6 2006-2007 Pontiac G6 GTP 2005-2007 Saturn Relay with 4T65E Automatic Transmission (RPOs MN3, MN7, M15, M76) Supercede: This bulletin is being revised to update parts information. Please discard Corporate Bulletin Number 06-07-30-023B (Section 07 – Transmission/Transaxle) . Condition Some customers may comment on a 1-2 shift shudder at light to moderate acceleration. Typically, the throttle plate angle parameter is 12-20% at time of condition with vehicle speed of approximately 24-40 km/h (15-25 mph). The customer may describe the condition as slip or delayed shift into second. Correction Replace the complete second clutch assembly with service kit, P/N 24240561.… Read More

2004-2005 Ford F-150 CAMSHAFT AND LASH ADJUSTER DESIGN CHANGE

Download ISSUE The 5.4L 3-valve engine lash adjuster and camshaft design has been modified for the 2005 model year (MY). Do not use 2005 MY parts when servicing a 2004 MY engine, or 2004 MY parts when servicing a 2005 MY engine. If parts are intermixed during a service repair, the engine may exhibit noises on affected cylinders and engine damage may result. ACTION Order and install parts for the correct model year engine. The following Inspection Procedure can also be used to visually confirm the application of a part. NOTE Figure 2 – Article 04-24-24 THE ENGINE MODEL YEAR SHOULD BE 2004 and 2005 MY lash adjusters can be visually CONFIRMED BY CHECKING THE ENGINE TAG identified by the presence or lack of an identification LOCATED ON THE VALVE COVER. A 2004 MY groove cut into the lash adjuster boss (Figure 3). ENGINE WILL HAVE CODE 4G-692-AA AND A The 2005 MY parts will have this identification 2005 MY ENGINE WILL BE IDENTIFIED AS groove cut into the boss, while the 2004 MY parts 5G-692-AA.… Read More