No 4th gear on 545rfe?

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Evanp2005

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Just finished doing a valve spring on my 04 5.7 and I went to test drive it and it won’t give me 4th. I think it’s due for a fluid change and that might be it but I don’t wanna ignore other more serious possibilities
 

jws123

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Have someone with a good scanner not a cheap autozone scanner scan for transmission codes also have you checked fluid level? You could also try to unhook battery for a while reset things of course after you scan the truck.
 
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Evanp2005

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Have someone with a good scanner not a cheap autozone scanner scan for transmission codes also have you checked fluid level? You could also try to unhook battery for a while reset things of course after you scan the truck.
Fluid is at the right level. Colour is like red/brown and it doesn’t smell burnt to me. The auto class at my school has a big touchscreen snap on scanner. It’s old. Old like you gotta put keys into it. Can’t drive it right now cause it’s parked with the Insurance off of it cause the valve spring and all that. Might be able to convince him to let me borrow it tho
 

bigdodge

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What do you mean "won't give you fourth"? Does it shift from third to fourth and just rev?
 
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Evanp2005

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What do you mean "won't give you fourth"? Does it shift from third to fourth and just rev?
It won’t go into 4th. It’ll go 1 through 3 but doesn’t go into 4th gear. It’ll just rev at the top of 3 till you slow down
 

HemiLonestar

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Not just 4th then, 5th as well. Sounds like the OD clutch kiss of death. Get it scanned, see if you have p0700, p0734 & p0735.
 

HemiLonestar

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Yeah, but any handheld tuner compatible with the vehicle will show trans codes.
 

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