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[GMCnet] trani problem from a different angle [message #286702] Sat, 05 September 2015 19:22 Go to previous message
Burt and Faye curtis is currently offline  Burt and Faye curtis   United States
Messages: 256
Registered: June 2012
Karma:
Senior Member
I have been thinking about this trani proble - only motivating at high rpm.
The original thought was the new rebuilt trani is defective. What if it
isn't and there is something else going on. My thoughts for this are the
trani just pulled out was having similar symptoms last fall, They became
worse with more driving, until it started slipping and only being able to
move with excessive fluid added. Several other rebuilds had similar
symptoms, but were pulled and rebuilt before the problem became total. When
they were tore apart for rebuild, nothing seemed amiss, Hence could the
underlying problem be something else and not the main trani at all? And if
so, what should I check?
As I see it, potential problems could be :

1) lines hooked up backwards
2) filter not properly seated
3) linkage not connected properly
4) modulator
5) govenor
6) external oil filter creating problems
7) ????

Numbers 1, 3, 5, and 6 have been constant in the last 17 years, however
this has been an ongoing problem of sorts. Bert usually just added more
fluid and everything seemed fine, until it didn't. The modulator is new to
this trani.
Not being even a shade tree mechanic, I am not sure which could lead to
this trouble so not sure where to start looking first. And I am not sure if
there is something so simple that everyone is overlooking it that isn't on
this list.

Any thoughts, help and/or suggestions would be welcome.

Thanks,

Fay Curtis
1976 Glenbrook aka Tumbleweed
Kneeland, CA
707-443-8523
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