brake dragging 5ktq

[Grant Lenahan]

Why would the hand brake cause his left front caliper to grab?

Grant
On Nov 20, 2006, at 11:16 PM, SJ wrote:

>> From: "Doyt W. Echelberger" <doyt at buckeye-express.com>
>> Subject: brake dragging 5ktq
>>
>> Gotta check with the wisdom of the list. My 87 5ktq brakes are not 
>> fully
>> releasing, and at times are dragging significantly....but only on the
>> driver side, and not in a predictable pattern.
>>
>> rotors and feeling the wheels for heat.  The driver-rear rotor was 
>> glowing
>> a medium red and the wheel was hot...too hot to touch.
>
> ***** Your rear parking brake lever is stuck.
> Reason: 1. park brake cables are shot. 2. Rear caliper park brake 
> lever is
> frozen because of rust.
>
> Temp fix: you can move the rear caliper lever with a big screwdriver to
> release the brake - and dont use the E-brake.
>
> Permanent fix: remove rear calipers and rebuild them. Its a bit tricky
> regarding the piston removal and removal of the guts inside the bore 
> and
> inside the piston.
> I was meaning to write up the procedure with pix and post it on my web 
> site.
> Write me off line and I'll prep something up for you. In the meantime, 
> read
> what I have already written at  http://www.geocities.com/syljay46/
>
> Front calipers sticking
> Reason: most likely rust in the piston bore. Or boot is perforated and 
> water
> got in and rusted piston.
> Fix: take apart, clean, sand down bore inside to remove rust  . .. 
> like 600
> grit. Reinstall with new rubber parts. They sell rebuild kits for 
> couple
> bucks.
>
> Do a complete brake fluid flush after redoing all the calipers. Also 
> flush
> out the clutch system at the slave cylinder.
> Brake fluid is hydroscopic(absorbs water). Over time the water starts
> rusting out the lines and brake caliper innards. I bet you are running 
> on
> the original brake fluid.
>
> SJ
> 85 Dodge PU, D-250, 318, auto
> 85 Audi 4k - - sold but still on the road
> 88 Audi 5kq
> 90 Audi 100q
>
>
>
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