brake question!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Lrall · 12-04-2008, 06:04 PM

I am in the process of putting my brake booster/MC back on. I'm wondering if i need to bench bleed the MC or what. It was on the original s10 and all the fluid has since drained out. If i do could someone give me a quick write up on the proces? I also need to figure out the brake lines, i have a big and a small, is there one way they hook up or? Thanks for the help!!
lr

54 jimmy · 12-04-2008, 10:09 PM

the big line goes to the rear brakes and the small to the front. i am using the s10 master and prop valve. hope the pic helps.

notah · 12-04-2008, 10:20 PM

Yes bench bleed the master cylinder. Get some old brake lines, screw them in the mc and bend them so that the ends are back in the resivoir. Put the mc in a vise, fill it up with brake fluid, and use a screwdriver to pump the mc like the pedal would when you push it. Do this until there is no more air bubbles.

**JML55** · 12-05-2008, 01:04 AM

Usually the bigger line is the front calipers, bigger piston then the w/cyl in the back need more fluid.

Lrall · 12-05-2008, 03:12 AM

Im using an s10 so im assuming 54 jimmy is right. And i thought i would need to bench bleed the MC but i was just checking. Really the big line is at the front but powers the rear breaks. Thanks guys!!

12-04-2008, 06:04 PM	#1
Lrall Registered User Join Date: Oct 2007 Location: kearney nebraska Posts: 221	brake question!! I am in the process of putting my brake booster/MC back on. I'm wondering if i need to bench bleed the MC or what. It was on the original s10 and all the fluid has since drained out. If i do could someone give me a quick write up on the proces? I also need to figure out the brake lines, i have a big and a small, is there one way they hook up or? Thanks for the help!! lr

12-04-2008, 10:09 PM	#2
54 jimmy Registered User Join Date: Oct 2007 Location: pittston,PA Posts: 1,183	Re: brake question!! the big line goes to the rear brakes and the small to the front. i am using the s10 master and prop valve. hope the pic helps. Attached Images __________________ There is nothing you can't fix with a BFH or a FIRE WRENCH. 1997 chevy k1500 ext cab z71 (daily driver) sold 1996 chevy k1500 reg cab 4x4(daily driver)totaled 2008jeep patriot (wife's daily driver 2008 chevy 1500 ext cab 4x4 sold 2011 chevy 1500 crew cab ltz (daily driver) 1996 chevy 1500 reg cab 4x4 project sold 2006 pontiac grand prix gxp (daily work commuter)

12-04-2008, 10:20 PM	#3
notah Registered User Join Date: Jul 2008 Location: oklahoma Posts: 4	Re: brake question!! Yes bench bleed the master cylinder. Get some old brake lines, screw them in the mc and bend them so that the ends are back in the resivoir. Put the mc in a vise, fill it up with brake fluid, and use a screwdriver to pump the mc like the pedal would when you push it. Do this until there is no more air bubbles. __________________ james

12-05-2008, 01:04 AM	#4
JML55 Senior Member Join Date: Nov 2008 Location: Fannystelle, Manitoba, Canada Posts: 849	Re: brake question!! Usually the bigger line is the front calipers, bigger piston then the w/cyl in the back need more fluid. __________________ Jean-Marc Lacasse 57 GMC 55 GMC 55 Belair 99 S10 http://67-72chevytrucks.com/vboard/s...d.php?t=316140 http://67-72chevytrucks.com/vboard/s...d.php?t=806011

12-05-2008, 03:12 AM	#5
Lrall Registered User Join Date: Oct 2007 Location: kearney nebraska Posts: 221	Re: brake question!! Im using an s10 so im assuming 54 jimmy is right. And i thought i would need to bench bleed the MC but i was just checking. Really the big line is at the front but powers the rear breaks. Thanks guys!!



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