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Different kind of brake problem 140-160

uid 779's pic
posted by  matt b on  Mon Aug 8 10:46 CST 2005
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last visit: Tue Oct 14 16:33 CST 2014
[RELATED]

I'd just up your insurance coverage...

Seriously... you have either a failed booster, or a failed one way check valve in the vaccuum line. Take the line off at the manifold, you should be able to suck are in, but not blow it back.

Likely though, your booster is leaking when the brake pedal is not pressed, but holds vaccuum in a different position. So, in normal driving, it gets vaccuum when you lightly touch the brakes, and you don't notice it. But in a panic stop, it doesn't get the chance to catch up with vaccuum.

I had a '71 140 that behaved exactly the same... new booster solved it. Get it fixed, and test the brakes to be sure it's fixed. And drive VERY cautously until then, or don't drive it at all.

--
-Matt '70 145s, '65 1800s, '66 122s wagon, others inc. '53 XK120 FHC






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