I own a 1968 cadillac convertable can someone tell me why the gearbox keeps blowing back transmision fluid?
Answers:
there is a vent tube on top of the transmission.it unscrews.take it out and clean it and this should solve your problem
check the vacuum
did you over fill it??
gearbox too old- maybe it needs a change
look for fractures or splits in the gear box and the whole manifold
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