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Old 09-20-2007, 12:34 PM
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700r4 rebuild

I'm rebuilding 700r4 out of 89 Chev. K2500. The trans had all updates through 98. When I tore it down I found some low-reverse clutch plates in the middle of reaction planetary carrier assembly. They wore a groove about half way up. All the clutch plates in that pack were burnt up. All the other hard parts seem OK. I know I have to replace the carrier assembly but what other hard parts should I replace since I have the thing apart? All the splines on shafts, sun shell ,sun gears, and housing all look fine. I use this pickup only once in a while to tow a trailer. What type of a rebuild kit would you guys recommend? Thanks for the help in advance.

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Old 09-20-2007, 04:50 PM
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700r4

install a 16 vane or higher front pump add a corvette servo and a mild shift kit i my self would remove the accumulator spring that will make it do what you want
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Old 09-20-2007, 05:11 PM
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Quote:
Originally Posted by bigjames406
install a 16 vane or higher front pump add a corvette servo and a mild shift kit i my self would remove the accumulator spring that will make it do what you want
Never heard of a 16 vane or higher pump for a 700 trans
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Old 09-21-2007, 09:49 AM
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700

The sungear shell should be updated. make sure you pull the low reverse piston, bottom rear of case, to change the seals.

Transgo Jr shift kit installed will keep the TV valve from sticking, this is a big after rebuild problem.

Hardened pump rings, also from transgo,[ no yo yo kit], will help prevent a catastrophic pump failure.

If your guide rings break in the pump, then you may have room for 16 vanes.
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