89 Grand Prix Auto Trans adjustment
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89_GPrix 08-27-2007, 10:23 PM
Is there any way to adjust the bands on a 1989 Grand prix transmission ? 3.1 mpi. Any specs page on adjustment,s , links etc.... Thnx troy1 08-27-2007, 10:44 PM no adjustments can be made. 89_GPrix 08-29-2007, 05:34 PM no adjustments can be made. No kidding , I was hoping to adjust the bands. The transmission is starting to slip between 1st and 2nd , any possible cause's issues ,with this years transmission . Would a new modulator valve help etc.... THNX troy1 08-29-2007, 08:38 PM A new mod can help a sloppy 1-2. Its worth a shot anyway unless ofcouse its realy slipping bad. This: http://www.partsamerica.com/ProductDetail.aspx?MfrCode=SAG&MfrPartNumber=MD28&PartType=1159&PTSet=A is an excellent mod and is adjustable but you need a pressure gauge to adjust it. 89_GPrix 10-01-2007, 10:22 PM Update to this post. Initially said it was the 1st to 2nd gear slip . Turned out to be 2nd to 3rd , changed fluid and filter , helped a while . Used some lucas trans additive . Trans is slipping 2nd to 3rd , when you shift manually 1st to 2nd is fine , 2nd to 3rd has a sligh slip if you stay on the gas . Does not slip as bad as in Auto mode. Can anyrhing be done , would the modulator help or is this trans on its way out ? Thanks 89_GPrix 10-08-2007, 01:34 PM Anybody , have any comments ?? solinoids ?? Related Links Enter the largest automotive community on the planet! |
