Tech Tip: Driveability Concerns Revolve Around Saturn’s Cooling System
Customers may comment about various driveability and/or engine operating concerns including: hard start, erratic idle, rough running, engine overheating, low and/or leaking coolant and/or Service Engine Soon lamp illuminated on 1991-2001 Saturn S-Series vehicles. This condition may be caused by a cracked engine coolant temperature sensor. You’ll need to replace the engine coolant temperature sensor, inspect and, if necessary, replace the sensor harness connector.
Tech Tip: Life, Liberty and the Solution to Trouble Codes
Kathy enjoys hiking with her dogs. Recently, she traded in her old SUV for a 2005 Jeep Liberty that could comfortably carry the three of them. On a recent drive home from hiking in the mountains, Kathy noticed that the ABS lamp was on. She stopped by my shop a few days later, and after testing, we determined that the rear wheel speed sensor had failed.
Mischievous Cats
By definition, a catalytic converter should last the lifetime of the vehicle. It can last this long because a catalyst is something that, just by being present, causes a reaction to other materials without itself being a participant in the reaction. However, real life has proven that the life span of a catalytic converter varies
Permatex Launches New Aftermarket Products Catalog
Permatex’s new 80-page full color products catalog contains the latest and most comprehensive coverage of advanced chemical products that automotive technicians and do-it-yourselfers will need for a wide variety of maintenance and repair jobs.
Tech Tip: Boom-Type Noise During Engine Warm-Up on Chevy Astro Vans
Some customers may comment on a boom-type noise heard in the vehicle passenger compartment during engine warm-up. To correct this, install an exhaust dampener assembly on affected vehicles. Use the following procedure and the part numbers listed in this Tech Tip.
Chrysler Tech Tip: Diagnosing Delayed Transaxle Engagement at Start-Up
Some Chyrsler owners may complain of intermittent delayed transmission engagement at vehicle start-up in excess of three seconds. The transaxle may be cold or hot. Check the transaxle fluid level while the vehicle is on a level surface and the transaxle is at normal operating temperature using the following procedure.
Tech Tip: Boom-Type Noise During Engine Warm-Up on Chevy Astro Vans
Some customers may comment on a boom-type noise heard in the vehicle passenger compartment during engine warm-up. Install an exhaust dampener assembly on affected vehicles using the following service procedure.
Servicing Solutions: GM’s Durable Duramax Diesel
General Motors launched the Duramax Diesel 6.6L V8 engine in the Chevrolet Silverado and GMC Sierra 2500HD and 3500 Series trucks with Allison automatic transmissions in 2001. The application expanded to the Chevrolet Kodiak and GMC Topkick medium-duty trucks for 2003, with 16,000-, 18,000- and 19,500-lb. gross vehicle weight ratings (GVWR). According to its engineers,
Servicing Solutions: GM’s Durable Duramax Diesel
General Motors launched the Duramax Diesel 6.6L V8 engine in the Chevrolet Silverado and GMC Sierra 2500HD and 3500 Series trucks with Allison automatic transmissions in 2001. The application expanded to the Chevrolet Kodiak and GMC Topkick medium-duty trucks for 2003, with 16,000-, 18,000- and 19,500-lb. gross vehicle weight ratings (GVWR). According to its engineers,
Tech Tip: Delayed Transaxle Engagement at Start-Up on Chrysler Vehicles
If you encounter a vehicle with intermittent delayed transmission engagement at vehicle start-up in excess of three seconds (transaxle may be cold or hot), check the transaxle fluid level while the vehicle is on a level surface and the transaxle is at normal operating temperature using the following procedure detailed in this Tech Tip.