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4L60E Problems

 
Bathtub Bathtub
New User | Posts: 3 | Joined: 03/07
Posted: 01/09/11
09:50 AM

Hi Guys,
I have a Buggy in the Uk with a LS1 engine 4L60E auto box & Stak Monster box ,portal axles & 44 Boggers
The transmission has run fine for about 4 competitions apart from sometimes iWhen in 1st under load if you back off the power it will shift into 2nd & pull all the power off?
But know i can only use 1st & 2nd if i hold it manually in gear & 3rd & 4th slip ??
The engine & box originally came out of a 2004 Pontiac & all the guy the built it has done is put in a ECU out of a Tahoe ! It seems to me that the problems seem to be electrical but no-one in the UK seems to know anything about these boxes .Is there a autobox control module that should of been changed etc ??
Just dont want to put a new box in & same happen again !
Any help would be great thanks