Cad1 Posted March 18, 2007 Report Share Posted March 18, 2007 Anyone know why 4th gear would slip on occasion but all other gears are fine? Could it be solenoids or a bad gear itself? I have heard that these tranmissions have weaker 4th gears. No codes. Thanks 92 Deville w/210k miles Link to comment Share on other sites More sharing options...
BodybyFisher Posted March 18, 2007 Report Share Posted March 18, 2007 If you are talking about OD, you are probably having a problem. Check for codes? Did this just start? Put the car in neutral, lift the hood race the engine to about 1200 to 1600 RPM and see if you get any noise.. Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
95SevilleSLS Posted March 18, 2007 Report Share Posted March 18, 2007 It could be your TCC solenoid (sp?) is bad. I've heard that they are problematic. What year and make car? I can look up some tsb's for you and check it out. -Dusty- - 02 Seville STS, white diamond - 93 Sixty Special, Tan with vinyl top - 79 Coupe DeVille, Tan with Tan top - 06 GMC Sierra Z71, Black - 92 Silverado C1500, black and grey - 83 Chevy K10 Silverado, Black and Grey Link to comment Share on other sites More sharing options...
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