Rick's Free Auto Repair Advice

Posts Tagged: Envoy

Heater fan won’t stop running – GM products

Heater fan won’t stop running – GM products Heater fan won’t run, Heater fan won’t stop running – GM products, Ranier, Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon, Envoy GM has issued a technical service bulletin (TSB) #06-01-39-002B to address problems with the front blower motor. In some cases in cold weather the blower motor may not run, or if it does, it may not shut off when you turn off the vehicle. The TSB applies to the following vehicles with automatic temperature control: 2004-2007 Buick Rainier 2004-2006 Cadillac Escalade Models … Read More

Engine ticking noise

Fix engine ticking noise Cobalt, Malibu, Colorado, Envoy, Hummer, Ion, Saab GM has issued a technical service bulletin (TSB) PIP3972A to address a ticking sound on the following vehicles: 2004-2007 Chevrolet Malibu 2005-2007 Pontiac G6 2007 Saturn Aura equipped with a 3.5 LX9 The ticking sound is heard inside the vehicle and appears to come from the right side of the dash at idle speeds or stops. The noise sounds like a lifter click or solenoid click. It is neither. GM says the noise is instead coming from the right … Read More

P1516 P2135 P2138

Fix codes P1516 P2135 P2138 GM has issued a technical service bulletin (TSB) 07-06-04-003 to address a problem with a reduced power and REPEATING trouble codes P1516 P2135 P2138 on the following vehicles: 2005-2006 Chevrolet Cobalt, Cobalt SS, Malibu 2006 Chevrolet Colorado, TrailBlazer 2006 GMC Canyon, Envoy 2006 HUMMER H3 2005-2006 Saturn ION, ION Red Line 2006 Saab 9-7X The codes P1516 Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance, P2135 Throttle Position (TP) Sensor 1-2 Correlation, P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation, may NOT require replacement. … Read More

Engine Runs Rough

Engine Runs Rough If you find any of these trouble codes P0300, P0301, P0302, P0303, P0304, P0305, P0306, read this. Here’s how to diagnose engine runs rough after going through a puddle on any of these vehicles: 2008-2009 Chevrolet Colorado, TrailBlazer, 2008-2009 GMC Canyon, Envoy, 2008-2009 HUMMER H3, H3T, 2008-2009 Saab 9-7X, All Equipped With Engine RPOs LLR, LLV, LL8, here’s what to check out. The ignition coil bolts on these vehicles is vented. If you drive through puddles and water splashes onto the bolt vent holes, the water will … Read More

Fan clutch issues Rainier Trailblazer S10 Ascender Bravada 9-7X S15 Envoy

Fix Fan clutch issues Rainier Trailblazer S10 Ascender Bravada 9-7X S15 Envoy If you encounter Electronic Fan clutch issues on Rainier, Trailblazer, S10, Isuzu Ascender, Oldmobile Bravada, Saab 9-7X, and S15 GMC Envoy, read this. The electronic fan clutch in the above vehicles experiences almost a 100% failure rate. The purpose of the fan is to reduce drag on the engine at highway speeds where “ram-air” is enough to cool the radiator. At highway speeds, a fully engaged clutch actually spins slower than the air coming through the radiator. So it … Read More

Door hard to close – GM SUV Vehicles

Door hard to close – GM SUV Vehicles If you own one of the 2002-07 GM SUVs listed below and you’re having Door hard to close, GM says you may need to adjust the door striker. Open the problem door and remove the striker. Then close the door and verify that it fits properly. Check the fit to the door opening and also the fit to the weatherstripping. If it doesn’t fit, you’ll have to adjust the door frame itself. If the door fits, reinstall the striker and snug the … Read More


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