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-   -   700r4 burned low/reverse (http://www.hotrodders.com/forum/700r4-burned-low-reverse-197390.html)

stevetankl 04-28-2011 02:11 AM

700r4 burned low/reverse
 
after 2 rebuilds, what can keep causing my low reverse clutches to burn up??? :confused: all seals are replaced, in the correct directions. clutches been soaked. what can it possibly be?

Overdriv 04-28-2011 03:15 AM

How are the surfaces that the seals run on? A crack or deep nick will cause a leak and cause low apply pressure. A cracked low & reverse piston??

stevetankl 04-29-2011 09:16 PM

Everything seems to be freshly machine. No cracks. Ok when I first crunk the car up. I noticed smoke coming from the dip stick too.

Crosley 04-30-2011 07:51 AM

Quote:

Originally Posted by stevetankl
Everything seems to be freshly machine. No cracks. Ok when I first crunk the car up. I noticed smoke coming from the dip stick too.


low reverse frictions are not moving when the vehicle is stopped, in park , etc... these frictions should not be smoking then.

if the clutch pack clearance is too thin , this will also burn these low - reverse frictions

stevetankl 04-30-2011 08:24 PM

Ok. To retrace my steps...I was not sure how many gallons the tranny took so I added 6qts, crunk it up and ran it thru the gears. It creeped in r/d so I put it in park and checked the dip stick. Dry... so I added another 2qts, this time it jumped in r/d. Backed up and drove forward n shut it off. That's when I noticed the smoke coming from the dip stick tube. Could running it low be one of the problems?

Crosley 04-30-2011 08:45 PM

Quote:

Originally Posted by stevetankl
Ok. To retrace my steps...I was not sure how many gallons the tranny took so I added 6qts, crunk it up and ran it thru the gears. It creeped in r/d so I put it in park and checked the dip stick. Dry... so I added another 2qts, this time it jumped in r/d. Backed up and drove forward n shut it off. That's when I noticed the smoke coming from the dip stick tube. Could running it low be one of the problems?


since that trans and converter can hold 11 quarts of fluid, 6 quarts is not enough if the trans and converter were dry at a fresh rebuild


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