2 transmission different issues need guided diagnosis please

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TylerZ281500

Yukon Ridin High
Joined
Mar 13, 2011
Messages
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Location
Clinton Township, Michigan
I need some help in diagnosing issues, i dont have the 1400 to fully rebuild my trans so i need to make it live without issue as fluids dont seem burnt in either.

first trans is a 93 4l60e 4wd it leaks from where i beleive it the front pump, has a high pitched squeal at about 1300 rpm and only there nothing lower or above it in any gear. i also slip into 3rd occasionally, not all the time. i was told i could have a bad converter causing the leaking seal and slight slipping as well as the rotational noise

second trans is a 98 k1500 trans is out of a 98 astro so it has a slightly larger converter and thats it that we are aware of, occasionally OD doesnt work at all when its cold, sometimes it does. this just started so its not like its been going on long.
 
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