Monthly Archives: December 2008

What repairs need to be done for engine trouble codes 172, 175, & 300 on a 1996 gmc yukon with a 5.7 liter eng?

My service engine soon light is on and the trouble codes given are 172, 175, and 300. I would like to fix myself, but I can't find a repair procedure in any of the repair manuals.

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How An Automatic Transmission.Is Made

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Symptoms of a Transmission Problem


A number of symptoms can indicate a problem with a transmission, including grinding in gear changes, excessive gear noise, difficulty shifting or a burnt smell from the fluid. Check to see if a transmission is dealing with excessive friction with help from a Comfort Auto Repair Mechanic