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Sensitive brakes!!??

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Old Dec 28, 2008 | 11:29 AM
  #11  
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Originally Posted by turbojimmy
My front brakes lock up on my truck. They're very sensitive. When it warms up it's better, but they still seem grabby. I'm towing my GN about 100 miles on Tuesday and would like to fix this. The trailer has brakes, but I'd rather have the truck in tip-top shape for such a trip.

I thought maybe the rear shoes weren't adjusted right, but the e-brake works just fine - not much pedal travel and they work great.

I noticed that the rear lines have been replaced very recently (I've only had the truck a few weeks). Maybe it needs bled?

Mine's a '95 XL. Should it have ABS? I don't have an ABS light (I don't think) and there's definitely no anti-lock action going on.

Is the proportioning valve adjustable?

Thanks, and sorry to thread-jack. This seemed like an appropriate place to continue the discussion.

Jim
You definitely have ABS, at least the rear but maybe all four. The ABS light may be burned out. It should come on when you turn on the key and shut off when the truck starts. If the brake light isn't on then the brakes shouldn't need bleeding, but that bulb could be blown out too. It also doesn't hurt to bleed them some to flush out some of the old fluid. The proportioning valve is not adjustable.
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Old Dec 28, 2008 | 11:57 AM
  #12  
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Originally Posted by Just call me Sean
You definitely have ABS, at least the rear but maybe all four. The ABS light may be burned out. It should come on when you turn on the key and shut off when the truck starts. If the brake light isn't on then the brakes shouldn't need bleeding, but that bulb could be blown out too. It also doesn't hurt to bleed them some to flush out some of the old fluid. The proportioning valve is not adjustable.
Yes, you're right. The truck wasn't here so I couldn't check. It has rear ABS, according to the manual. And an ABS light on the dash. It's funny the things you don't notice unless you're looking for them.

I have no warning lights. I need to check and see if the shoes are wound up tight enough I guess. I'm dreading it because I suspect that they need tightened, and the drums are going to be really hard to get off, if the amount of rust on the rest of the truck is any indication.

Jim
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Old Dec 28, 2008 | 04:48 PM
  #13  
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Just checked my shoes and pads, they seemed fine. Though I couldn't get the drum off of the driver side but still all others looked ok. Please see the pics and see if this is something that I need. The hose I think broke off of the location I have marked, but the other end is capped. Therefore, what if any purpose does this hose serve? I found it just lying around under there and making the assumption that this is where it goes due to its proximity.
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Old Dec 28, 2008 | 05:01 PM
  #14  
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That is the rear axle vent. It does go there. The bolt that holds the brake hose tee to the axle has a hole in it for venting. The other end of the hose isn't capped, that is a vent end. It needs to be as high as possible while still allowing the axle to flex and not pull it off to keep water away from it.
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Old Dec 28, 2008 | 05:21 PM
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So you are saying that I need to reattache this hose to the axle and let it "hang" high? Also, My front brakes are working but it is still catching quite tight with the slightest push on the brake, but I guess I will have to get over it until I can afford a 4tire brake job. I think it is due.
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Old Dec 28, 2008 | 05:54 PM
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Mine do the will do this in the mornings when it is cold out but then it will go away once the truck starts to warm up.
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Old Dec 28, 2008 | 07:22 PM
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Yes, reattach it and put the other end as high as you can. I think it's on the frame from the factory. Off roaders put them very high for deep water crossings.
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Old Dec 28, 2008 | 09:12 PM
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Cool. It had a clip on it so I "clipped" up on the frame somewhere. I will drive it around and recheck to make sure it isn't catching on anything. Thanks
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