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#1 |
Registered User
Join Date: Jun 2007
Location: oregon
Posts: 1,069
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K-20 front drum brake dragging
This just started happening. I did the front wheel brakes about 20, 000 miles ago and all fine. recently the front left is tightening up and dragging getting real hot. I backed it off a bunch and will see what happens
what could cause the brake to adjust too tight ( it has the self adjusters.)
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69 K-20 cloned to a 67 with front clip and some other stuff. 383 .040 over Crane roller cam lifters and rockers ,1.6 intake ratio, Open chamber heads, 9.5-1 compression ratio, 2.02 intake valves , Edelbrock performer Air Gap manifold Carter AFB performer 750cfm, MSD ignition, SM465 NP205 4.10 gears: ![]() |
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#2 |
What?
Join Date: Jun 2007
Location: Southern California
Posts: 7,617
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Re: K-20 front drum brake dragging
You could have either a weak or broken adjuster spring, or any of the other springs could be weak causing a chain reaction to the self adjuster being too sensitive?
Also, the spreader star wheel teeth may have rounded off to the point where the adjuster arm can turn it tighter easier than it should.
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Chris 1968 K20 Suburban 1972 K10 LWB PU |
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#3 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Re: K-20 front drum brake dragging
You could also upgrade to disk? If your looking p.m. me
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GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#4 |
Registered User
Join Date: Dec 1999
Location: Old Mission, MI, USA
Posts: 2,510
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Re: K-20 front drum brake dragging
Also could be a bad wheel cylinder or the hose to that side is swelled shut inside.
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Tim |
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