Rick's Free Auto Repair Advice

Posts Tagged: Rainier

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

C0040 ABS light on GM Saab

Fix code C0040 ABS light on GM Saab If you have a Coo4o or an ABS light on, read this TSB. GM has issued a technical service bulletin for Buick Rainier (05-07), Chevrolet TrailBlazer (05-08), GMC Envoy (05-08), and Saab 9-7X. The TSB #07-05-25-006 relates to a problem with the ABS system and results in a scan code C0040. GM advises you to inspect the right front wheel speed sensor for damage caused by rubbing against the A/C pulley. If you find damage, wire in a splice and then reroute … Read More


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