Volvo RWD 140-160 Forum

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Master Cylinder 140-160

Starting flushing/bleeding my 68 144 brakes. Put on all new brake hoses and front calipers. Worked with it for awhile last night but did finish. I seemed to have worked all the old fluid out. I attached clear hose to each bleeder and left it open while adding fluid to the master cylinder. Pumped the brakes and watched each bleeder until it ran clear. I have used just short of 32 ounces.

I started to do the bleeding process. I have the brake bleeder order. When I pumped up the brakes I got fluid coming out the bleeder but very slow. Had air as well. I worked all the bleeders keeping the master cylinder full. I still have a pedal that bottoms out.

When I picked up the car last fall the master cylinder was off the car. It was in the trunk along with another master cylinder. I found papers to show one was bought off ebay. I assume the other was the one that was on the car. The reason the car was sitting was brake problems. based on the ebay picture I put on the ebay master cylinder. I soon saw that the front calipers were leaking at the cups. That is why I replaced the front calipers.

Based on how open I had the brake system will it take awhile to get all the air out and get some pedal feel or might I have a bad master cylinder? Should I try the other master cylinder? Word I kind of got from past owner as garage started messing with master cylinder to only find out it was a caliper problem and then it sat. Maybe I will need to get a new master cylinder but I will bleed some more and maybe try the other master cylinder first. When bleeding and pumping should I not get a good flow at the bleeder even with air in the system? Or is it a slow process of going around and working it till enought air is out.

Some of the bleeders have different size heads even on the new calipers. I might go get all new bleeders and some fresh clear tuping before I proceed. Makes it harder carrying 3 wrenches around to open the bleeders while to hardened clear tubing that I had keep falling off.

Craig






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New Master Cylinder [140-160]
posted by  cef2lion  on Wed Jun 6 01:02 CST 2007 >


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