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01-01-2007, 05:36 PM | #1 |
Registered User
Join Date: Jul 2004
Location: Spanish Springs, NV
Posts: 1,171
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73 Blazer Brakes - HELP!
Trying to get my 73 Blazer roadworthy for the DMV. I have twice added brake fluid to the forward reservoir and within just a couple short trips, I'm locking-up the rears to stop.
BUT! I have no idea where the fluid is going. I've check all wheels cylinders and the M/C. But can find no, obvious leaks. So, my "Expert-At-Everything" failing everything but Auto-Shop son says "It's prolly leakin into the booster..." "Mr. Carroll (the shop teacher) say's that can happen." I've never heard of this - would there bee a couple quarts of fluid SOMEWHERE?!?!?. And, before I go digging in where I've never been, I thought I'd check here. Let me know & thanks, - Dave
__________________
2003 Silverado K1500 Z71 - Arrival Blue 1973 K5 Cheyenne Blazer 350/TH350/NP203 Kids Trucks:92 K1500 Blazer 5.7/700R4 4" lift. RETIRED: 1980 Scottsdale 4x4 Founding Member: "TILT WHEEL BELLY." Club |
01-01-2007, 08:14 PM | #2 |
K5Camper
Join Date: Mar 2004
Location: Pueblo, CO
Posts: 1,513
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Re: 73 Blazer Brakes - HELP!
It can leak into the booster. But, I'm doubting it since your loosing fluid through the front reservoir. Heck I had my non-power assisted Nova leak at the master cylinder before and couldn't find the leak under the hood either. That was until I looked under the dash and found it had been dribbling inside for some time. Master cylinders can leak through the seal where the pushrod moves it.
I just can't figure out how the front could leak past the rear and still not have any leaking from the rear. I just did the master cylinder on my 75 and I can say mine was leaking from the rear of the cylinder, but it was leaking out from between the cylinder and the booster. Leaving pretty clear evidence of the problem and where the fluid was going. It's not that hard to remove and you can at least pull it off the booster to look for a leak without cracking the system open and removing the lines. There's enough movement to slide the cylinder off the studs to see if it's been leaking or not.
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Rob Z. 1975 K5 350/465/205/D44/12b 4" lift on 35's- RIP 1991 K5 8.1L/NV4500/241/D44/14b FWC Camper |
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