Thread: 99 GTP Trans locks up in reverse

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  1. #1 99 GTP Trans locks up in reverse 
    Didge
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    Default 12-14-2012
    Hi, I have recently replaced the MAF sensor with one from a 99 Camaro (Same Part number and specs), and suddenly the trans started to lock up going in reverse. Could the two be related? The time between the two happening was a day, and I never had any problems with the trans locking up before. Thanks!
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  2. #2 Re: 99 GTP Trans locks up in reverse 
    dsmuts
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    Default 12-14-2012
    What do you mean by the trans locks up?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: 99 GTP Trans locks up in reverse 
    Didge
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    Default 12-15-2012
    Actually I found the problem. It wasn't the transmission. What had happened was that the caliper bracket mounting bolt (lower) had backed out and disappeared. This caused the brakes to lock while going in reverse. I'm just happy that it wasn't the top bolt, that would have been a scary ride. Be sure to check those bolts are 133 ft lb!
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  4. #4 Re: 99 GTP Trans locks up in reverse 
    Fivefingerdeathpunch
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    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Default 12-15-2012
    Tight works.

    SMGPFC Member #1
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