C Chris B. Joined Mar 16, 2003 Messages 3,758 Location Colorado Apr 12, 2013 #1 Does anyone know the size of the allen key for the fill hole on a 1997 1500 GMC Sierra? Thanks!
C Clevy Joined Nov 11, 2010 Messages 9,774 Location Saskatoon canada Apr 12, 2013 #2 Isn't it a 3/8 square. Like the end of a ratchet.
B BobsArmory Joined Mar 28, 2010 Messages 2,077 Location Michigan Apr 12, 2013 #3 Both Diffs on my wifes car take a 3/8 allen key and the transfer takes a 3/8 square ratchet. 07 Cadillac STS AWD.
Both Diffs on my wifes car take a 3/8 allen key and the transfer takes a 3/8 square ratchet. 07 Cadillac STS AWD.
C Chris B. Thread starter Joined Mar 16, 2003 Messages 3,758 Location Colorado Apr 12, 2013 #4 On my transfer case it is an alen head.
C Chris B. Thread starter Joined Mar 16, 2003 Messages 3,758 Location Colorado Apr 14, 2013 #7 Thanks! I'll now have to go buy one......