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Gary
Gary, GMC Technician
Category: GM
Satisfied Customers: 15895
Experience:  15 years gm master tech/15 years ASE master tech
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I have a 1992 gn mc sierra 4x4 with a 700r4 trans only has

Customer Question

i have a 1992 gn
mc sierra 4x4 with a 700r4 trans only has reverse just bought iy
t drove it 4 miles
Submitted: 10 months ago.
Category: GM
Expert:  Gary replied 10 months ago.

I am sorry for the long wait

reverse works goo no slipping at all ?

Customer: replied 10 months ago.
works fine
Customer: replied 10 months ago.
dont no much about truck friend bought it ran into some health issues i got it drove 3 miles new it had some issues with trans had to run the rpms way up lrt them drop maybe it would shift he said fluid did non smell burnt or anything
Customer: replied 10 months ago.
you sill with me
Expert:  Gary replied 10 months ago.

these transmissions by default should always have reverse and a forward gear no matter what happens electrically to the transmission

since it have a good reverse the pump should be good and the torque converter should be good

at this point i am sorry to say with no forward gears there is is possibly a valve stuck open in the valve body or the input drum or input clutches are worn out inside the transmission

i am sorry to say this transmission will need to come out and apart to be fixed

if you have any questions please ask as i do not get credit for my work until you rate us here at Justanswer

Expert:  Gary replied 10 months ago.

how are you making out ?

if you have any questions please ask as i do not get credit for my work until you rate us here at Justanswer