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-   -   06 sierra with tranny issue (https://67-72chevytrucks.com/vboard/showthread.php?t=468618)

silvereagle07 06-08-2011 02:46 PM

06 sierra with tranny issue
 
My dad's 06 Sierra trans has an engagement issue while taking off from a stop. It starts to rev up to about 2500-3000rpm then it starts to take off slowly. The 2-3 and 3-4 shift is normal. Any suggestions or ideas on what is causing the problem?

biggsteve97 06-08-2011 09:22 PM

Re: 06 sierra with tranny issue
 
automatic or manual? 2 or 4 wheel drive? Does it do this on a hill, flat ground, all the time or part of the time, loaded or unloaded or both? If i go by just what you have stated it sounds like first gear clutches are gone providing that you an automatic and not a manual transmission. Does reverse work? need more info.

silvereagle07 06-09-2011 07:36 AM

Re: 06 sierra with tranny issue
 
2WD automatic, 67k miles on truck, only happens when starting from a stop, terrain does not make a difference, all other gears shift and work normally.

biggsteve97 06-09-2011 01:20 PM

Re: 06 sierra with tranny issue
 
Try manually pulling the shifter down to first gear. Does it hold or still slip?

clinebarger 06-10-2011 11:07 PM

Re: 06 sierra with tranny issue
 
Nothing good comes from reving the engine to 3000 rpm to get the truck to move, Whatever is wrong with it....Your making it wor$e by doing that.

Check the transmission fluid. If thats good...pull the transmission & have it rebuilt.

biggsteve97 06-10-2011 11:41 PM

Re: 06 sierra with tranny issue
 
I agree with clinebarger. sounds like first gear clutches are either gone or atleast severely slipping for whatever reason and the trans needs to be rebuilt. If only there was a simple inexpensive repair for that.


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