Duramax Diesels Forum Truck of the Week
  #1  
Old 04-17-2019, 09:14 AM
BIGTERRY75's Avatar
BIGTERRY75 BIGTERRY75 is offline
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Join Date: Jul 2014
Location: ROCKWALL TX
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Default LB7 No Forward only Reverse

While driving last Saturday noticed trans temp creeping and seemed like convertor not locking up completely.
Weather was wet and lower 50's

Never got over 212* on digital gauge. Let idle in driveway when I got home for 20 minutes until trans temp got below 150*. Started Monday am to go to work (I let it idle to warm up everyday before driving) had reverse but when put in Drive it was like I was on the Trans Brake. (this transmission does not have a tBrake). Rolled back in driveway and had it towed.


I have had many problems with this Transmission in the past
I still feel that before this incident it was the best it has ever been but still ran a little to much on the warm side.


What are your thoughts/recommendations



EFI Live Tuning PPEI ECM/TCM
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  #2  
Old 04-17-2019, 09:53 AM
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Mike L. Mike L. is offline
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What does yor builder say?
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  #3  
Old 04-18-2019, 12:08 PM
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BIGTERRY75 BIGTERRY75 is offline
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As of this morning they have not even looked at it.
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