Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
I am sorry your having this problem
is the transmission fluid full ?
is the transmission physically being shifted into reverse ?
reverse requires no electronics to operate at all
if the fluid is full and its being shifted into reverse it should reverse
with reverse not working at all drop the pan and check for water in the fluid or any debris in the bottom of the pan next
the odds are this will be a reaction carrier failure or possibly the low/reverse band is bad
those are the only 2 things to gain reverse and since you have forward gears the pump and converter are fine
drop the pan and change the filter and fluid
if you still do not have reverse then the transmission would need to come out and apart and the reaction carrier and reverse band checked
nothing else will cause NO reverse when it drive forward
not for reverse
reverse uses no sensors to operate at all
usually 3 to 4 quarts
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