Ambient Temp vs T/C Lockup?
03-30-2003 | 07:41 AM
#1
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Joined: Jan 2003
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From: Vine Grove Ky
Ambient Temp vs T/C Lockup?
Well, I guess I know the answer after reading past forums, but thought I would throw this out anyway. Has anyone noticed that the T/C seems lock and unlock differently at lower temps? All winter it would jump in and out of lockup. Temps warmed up and no problems either towing or unloaded. Today 31 degrees and it acted up a tiny bit. Expect I will start soon with the new goodies, but thought I would ask before i did it. Thanks, Ed
03-30-2003 | 05:54 PM
#3
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Joined: Oct 2002
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From: Coventry RI
Re:Ambient Temp vs T/C Lockup?
There is a notation that I have noticed on some TSBs.<br>If the trans temp is below 59*, or above 275*, the trans wil not shift into OD. This may also have some effect on lockup, seeing that it is also controlled by the ECM.
04-03-2003 | 03:27 PM
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Re:Ambient Temp vs T/C Lockup?
I JUST FINISHED POSTING (OVERDRIVE DOESN'T LIKE COLD) ON PAGE 1. THEN SAW YOUR POSTING..I HAVE HAD THE SAME PROBLEM ALL WINTER..TEMPS JUST HIT 60 THE OTHER DAY AND NO PROBLEM..COLD AGAIN TODAY...IT'S LOCKING AND UNLOCKING AGAIN..??? SENSITIVE TPS OR TORQUE CONVERTER?? (97 2500 CTD WITH 150K)
04-03-2003 | 03:29 PM
#5
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Joined: Apr 2003
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Re:Ambient Temp vs T/C Lockup?
I JUST FINISHED POSTING (OVERDRIVE DOESN'T LIKE COLD) ON PAGE 1. THEN SAW YOUR POSTING..I HAVE HAD THE SAME PROBLEM ALL WINTER..TEMPS JUST HIT 60 THE OTHER DAY AND NO PROBLEM..COLD AGAIN TODAY...IT'S LOCKING AND UNLOCKING AGAIN..??? SENSITIVE TPS OR TORQUE CONVERTER?? (97 2500 CTD WITH 150K) WHAT'S THE ANSWER?
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