Rick's Free Auto Repair Advice

Posts Tagged: Silverado

Stalls but restarts

Stalls but restarts after cooldown, GM truck If you own a late model Avalance, Silverado, Suburban, Sierra, Denali, or Yukon and experience a problem where the vehicle drives and then just stalls out as if it has run out of gas, well, it has (kinda). This problem can also set a P0230 or U0109 trouble code, and can also show up as a no start after stall. Shops are reporting problems with the fuel pump control module (FPCM), not the pump itself. Here’s how it works. Rather than run the … Read More

Air only blows through defrost vents

Air only blows through defrost vents Air only blows through defrost vents, cannot change heater settings, Escalade, Avalanche, Silverado, Suburban, Tahoe, Yukon, TSB, #04-01-38-008 GM has issued a technical service bulletin (TSB) #04-01-38-008 to address problems with the heating system, blower control, and airflow on the following models: 2003-2005 Cadillac Escalade, Escalade ESV, Escalade EXT 2003-2005 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2003-2005 GMC Sierra, Yukon, Yukon XL If you find that you cannot control any of the heater controls, heating, air conditioning, or airflow, or the air only blows through … Read More

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

AC not cold enough – GM products

AC not cold enough – GM products AC not cold enough, Compressor doesn’t run, air conditioning not cold, Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon GM has issued a technical service bulletin (TSB) #04-01-38-013 to address an air conditioning problem where the air conditioning isn’t cold or the compressor doesn’t run. The TSB applies to the following models: 2003-2005 Cadillac Escalade, Escalade ESV, Escalade EXT 2003-2005 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2003-2005 GMC Sierra, Yukon, Yukon XL 2003-2005 HUMMER H2 The problem may be caused by a wiring problem that … Read More

Service 4WD light on Check engine light on

Service 4WD light on Check engine light on Service 4WD light on, can’t shift into 4WD, 4WD shift doesn’t work, transfer case motor doesn’t work on Avalanche, Silverado, Suburban, Tahoe, Ram, Sierra, Yukon, Check engine light on Cardone, a leading manufacturer of rebuilt transfer case motors has issued a service bulletin advising shops of a reason why a brand new Cardone motor may not work properly. In fact, the same problem may be the root cause of the factory transfer case motor not working. Apparently Chevrolet, GMC, and Dodge ground … Read More

Harsh shift P0717

Fix Harsh shift P0717 Harsh shift on Saab 9-7x, Buick Rainier, Chevrolet Trailblazer, Avalanche, Colorado, Silverado, Suburban, Tahoe, GMC Envoy, Canyon, Sierra, Yukon, Yukon XL, Hummer, vehicles, P0717 GM has issued a technical service bulletin (TSB) PIP4051B for the following vehicles with these transmissions; 4L60E, 4L65E, 4L70E 2006-08 Saab 9-7x 2006-07 Buick Rainier 2007-08 Chevrolet Trailblazer, Avalanche, Colorado, Silverado, Suburban, Tahoe 2006-08 GMC Envoy 2007-08 GMC Canyon, Sierra, Yukon, Yukon XL 2007-08 Hummer The problem shows up as a harsh shift and trouble code P0717. Before performing any major repairs, … Read More

P0741 Avalanche Colorado Express Silverado Suburban Tahoe Trailblazer

Fix code P0741 TCC Stuck Off GM has issued a technical service bulletin PIP4329 to address trouble code P0741 and a check engine light. The cause of the problem is debris plugging the converter clutch signal orifice cup plug 238 in the transmission pump cover. The debris blocks the transmission fluid that’s needed to move the converter clutch valve and apply the transmission torque converter clutch (TCC). To fix the problem, disassemble the pump and clean the converter clutch signal orifice cup plug in the cover and also clean the … Read More

Uneven brake pad wear and noise

What causes Uneven brake pad wear and noise Rear disk brakes are exposed to the same road debris, salt, snow, rain, and heat as front brakes. But because they do only 20% of the braking, they don’t get worn as quickly. That leaves them especially vulnerable to the elements. Since the pads don’t wear as quickly, the caliper doesn’t slide on the caliper pins nearly as far, so caliper pin rusting is far more common. This is especially true in 2000-06 Chevrolet Silverado, Avalanche, and Suburban 1500 trucks. Every time … Read More

ABS light on GM vehicles

Why is my ABS light on GM vehicles GM has issued a TSB #04-05-025-002A covering the following vehicles: 2004 Buick Rainier 2002-04 Cadillac Escalade, Escalade EXT 2003-04 Chevrolet Silverado 2000-04 Chevrolet Suburban, Tahoe 2003-04 Chevrolet Avalanche, Trailblazer 2003-04 Chevrolet SSR 1999-04 GMC Sierra 2000-04 GMC Yukon, Yukon Denali, Yukon XL 2002-04 GMC Envoy 2004 GMC Envoy XUV 2002-2004 Oldsmobile Bravada The problem shows up as a glowing ABS light and trouble coded C0265, C0201, U1041 and a loss of communication with the brake module (EBCM). The TSB warns dealers NOT … Read More

Chevy Silverado No Start

Why won’t my Chevy Silverado Start Shops are reporting Chevy Silverado No Start pattern failures on the ignition systems on 1999-2007 Chevrolet Silverado 1500 4.3L vehicles. The problem is usually caused by a broken ground wire at the ignition coil. This wire is white/black and may not appear to be broken. But the wire inside frays and causes intermittent no-start conditions. To check the condition of the wire is the vehicle does start, run the engine at operating temperature and have someone wiggle the wire and listen for misfire. This … Read More

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