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Old 06-22-2024, 05:27 PM   #9
jumpsoffrock
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Join Date: Apr 2014
Location: California
Posts: 999
Re: 1967 GMC 930 Manual Trans Fluid?

Quote:
Originally Posted by kwmech View Post
Right there. Have found out a couple of times when a customer has had their vehicle serviced elsewhere and then starts experiencing shifting issues. Drain and fill with GL-4. The GL-5 is too slippery for the brass rings to grab the gear and slow it down
Where do you pick up your GL-4, mech?
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