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E-brake problem
I replaced my heater cables this weekend. When I did, I accidently disconnected the e-brake cables from the yoke. I got them back on OK, and everything put back together, but now I've got no e-brake function.
Is it possible that something came loose while there wasn't any tension on the brake cable? I'll try to re-adjust them, but it seems weird that they could have become that far out of adjustment. They worked perfect before. ------------------ Bill Krause '79 911SC Euro MY PELICAN GALLERY |
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10-15-2001, 01:47 PM
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Senior Member
Join Date: Nov 2000
Location: Stuttgart FRG
Posts: 2,307
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Hello
Maybe the butterflys in the E -brake came off but this shows that your brake was not proper adjustet before and had to much play to allow them snap over and out. Lift the rear and pull the E brake and turn the wheels ( or try it ). If they are working evenly then just wiggle a bit on the cable and check if it feels evenly on both sides. You also can check if the cables show up evenly in the holes behind the E brake lever. If you have sounds while pushing any direction or driving you have to go the full way before you use the car again. If not it is a weekendjob. pelican has a tech article about the E-Brake system and the repair. Grüsse, Lazy Roland |
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10-15-2001, 08:49 PM
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The passenger side cable was a bit shorter, and the butterflies on that side had popped out before, so it sounds like it happened again. It seemed like I had it working well and adjusted right, but I'll give it another go.
I can pull the caliper off without disconnecting the brake line right? If so, this shouldn't be too hard to do. ------------------ Bill Krause '79 911SC Euro MY PELICAN GALLERY |
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10-15-2001, 09:23 PM
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Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,486
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just remove the flat clip that holds the brake line to the swingarm and slide the metal line thru, and set the caliper on the arm.
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10-16-2001, 07:12 AM
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This is what I didn't do when I repaired the e-brake this spring.
From the Pelican tech article Working underneath the rear of the car and with the parking brake fully released, adjust cables at locking nuts so that equal amounts of thread show on each cable. Make sure that is slight axial (in and out) play in both cables at the trailing arms. Check again to be sure that both wheels turn freely with the parking brake released. ------------------ Bill Krause '79 911SC Euro MY PELICAN GALLERY |
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10-16-2001, 07:43 AM
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Senior Member
Join Date: Nov 2000
Location: Stuttgart FRG
Posts: 2,307
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Hello
The trick is to keep the brakeshoes as near as possible to the drum so the butterflys will not snap out or snap over to deadlock when they are worn out. The trick with the brake line will only work with the aluminium units. On steel you have to prpare the setup to have the same shortcut later. Now adjusting the rear brakes is something that needs expierience but once you know how it is very simple. If your butterflys are worn you can rebend the middlesection to have them in the old max angle to avoid deadlock oversnap yet I love to use new parts and forget worry about it. Normal lifetime is mostly relatet to the barkeshos yet some heavy handle puller bend them much sooner. Best indicator is a hand brake lever out of axis. Grüsse, Roland |
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10-17-2001, 04:19 AM
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I'll take some pics of the butterfly when I get it opened up. My ebrake has never worked the whole time I owned the car (about 10 years), until I finally got the caliper off during a rebuild. I really think it is just a matter of proper adjustment of the cable.
------------------ Bill Krause '79 911SC Euro MY PELICAN GALLERY |
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10-17-2001, 06:07 AM
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1979 Porsche 911SC 3.0L 
