Kevinshelton19
Newbie
- Joined
- Mar 19, 2014
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- 11
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4l80e in my 96 silverado sat for around 2 yrs until i just put a crate engine from jegs in. now when i first start the truck cold the trans seems to slip a bit in forward and reverse until the truck gets up to temp, it also made a bit of a whining sound at one point when i started moving forward. when i first checked fluid after i got the truck going it said fluid level was good while hot, now with about 30-40 miles on it, its down to the cold mark when hot ( will add some fluid if i dont end up changing) fluid is reddish brown and probably has 10k miles on it at most. any idea's what im up against here? sure hope i dont need a new transmission after just putting in an engine. maybe new torque converter? oh btw as far as i know trans is original to the truck which has 148k on it