Bleeding Brakes?

Question

What size wrench do you use on the bleeder valves (nipples) to bleed the brakes on a 1994 GMC Safari Van?

Answer 1

I believe the bleeders are 10mm. Spray the fittings with "Blaster" available at any auto parts store. Always use a box end wrench or a 3/8 socket of the correct size to grip all sides of the bleeder valves. The bleeder fittings are always dirty and rusty around the threads. It always pays to have a couple of new bleeder screws if you strip one off or knock off the hex and resort to a vise-grip or a small *Rigid - pipe wrench.
Go the extra mile and wipe the outer threads of the bleeder valves with food grade or regular anti-seize.

Answer 2

Probably 3/8

Answer 3

Try a 7/16th wrench.

Answer 4

most of those are a 10,mm,you can check to be sure though,but if memory serves me right they are a ten,good luck on it.,,PS id have a few different sizes on hand just in case.

Answer 5

i think they are a 10 mm. But i would have a few other sizes just in case

Answer 6

3/8 i beleive, might be 5/16

Answer 7

1/4 is a standard but that might not be on all... if you asking i think you just migth not want to be doing what you are fixing to do

Answer 8

You will probably just try a few sizes, usually its the same one that fits a Zurk (Greese) fitting............Nuf Said

Answer 9

I think its a 10mm but im not 100% sure....

Answer 10

I think it is 10mm maybe 11mm