Stuck rear caliper (16v disc brakes)

[dswalterwi at gmail.com (Don Walter)]

Big C-Clamp works great for compressing caliper pistons.

On 9/16/06, Nate Lowe <nlowe79@gmail.com> wrote:
>
> So I went out to replace the brake pads on my '79 today (full 16v brake
> conversion) and I got the front pads on fine with no problems (except a
> cheap ass 13mm socket that broke removing the first caliper).
>
> The rear pads were a different story. Or to be more precise, the driver's
> side rear pads (I didn't even try the passenger side since I couldn't get
> the driver's side on). When I got the caliper bolts removed, the caliper
> was
> still tight on the pads and was hard to pull off. Then, when I tried to
> push
> the piston back into the caliper with a 4" C-clamp, it would not budge.
> I've
> heard of the brake cable sticking on 16v's (I think) so I removed the
> spring
> that holds tension on it and tried to manually push it back thinking that
> would help. No dice.
>
> So the question I have is if this is a common problem and what steps
> should
> I take to fix it?
>
> Oh, and a bit of info, all the pads seemed to still have about 1/2 life
> left
> in them even though my braking performance has noticably decreased. The
> car
> still stops reliably, but not with the "bite" it had before. Maybe the
> rear
> calipers aren't working at all right now?
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-- 
Don Walter - Waukesha, WI
1986 8V Black Scirocco (Daily Driver)
1984 8V Audi 4000s (RIP 2/14/2006)
1986 2.0L 16V TEC 2 Black Scirocco (see progress at
http://www.cardomain.com/memberpage/708939)
1986 2L 16V Toronado Red Scirocco (Ben's Car)
1988 1.8 16V Toronado Red Scirocco (sold on 3/29/04)
1984 1.8 8V Pewter Scirocco (sold years ago)
1971 Karman Ghia (sold)
1969 Karman Ghia (sold)
1969 Beetle (sold)