My 1985 c1500 2wd 700r4 has no reverse

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dwood2004

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Hello I have a 1985 gmc Serria classic 2wd and it had a 700r4 with od. The truck seem to shift perfectly when driving but when I put it in reverse it’s doesn’t go. What are some things that it could be or what can I do to get it fix?
 

Ricko1966

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Hello I have a 1985 gmc Serria classic 2wd and it had a 700r4 with od. The truck seem to shift perfectly when driving but when I put it in reverse it’s doesn’t go. What are some things that it could be or what can I do to get it fix?
You need to rebuild your transmission,buy a remanufactured transmission,or buy a junkyard transmission
 

Matt69olds

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Next time you drive it, pay close attention to the number of shifts, and the speeds it makes those shifts.

4L60E/700 transmissions are known to occasionally break the drive shell. When that happens, you lose 2nd, 4th gear and reverse. The trans will actually make the 1-2 shift, but since the drive shell is broken the trans technically stays in 1st gear. If you wind out 1st gear, the trans will make a 2-3 shift. Same thing with overdrive, the trans will technically shift into 4th, but is still in 3rd. Kinda hard to explain.

If the trans is in good shape other than the drive shell, it might be a fairly cheap repair
 

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