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02/09/2021 12:19 pm
Topic starter
Hey Scotty...
I have a 1977 Gmc Sierra Grande 2500. do you know how to check and see if you have a rear main seal that is going out on a 77 Gmc Sierra Grande 2500... im not sure if it is... but its dripping black oil from the bottom of the body. Thabkyou for the vids👌
2 Answers
1
02/09/2021 1:46 pm
Do you mean from the axle shaft, differential, back of the trans, where?
1
02/09/2021 2:14 pm
pop the inspection cover off the bell housing and feel around inside
