blackls6
07-19-2008, 04:30 AM
Why did GM change the rear brake valve?
1st design was part #3980770 with 200 psi, and 2nd design was 3987805 with 400 psi. Was there issues with stopping?
Thanks! John
1st design was part #3980770 with 200 psi, and 2nd design was 3987805 with 400 psi. Was there issues with stopping?
Thanks! John