RE: Help- No brakes on '86 5kt when hot

[Aleksander Mierzwa <alex@matrix.com.pl>]

My bets are on master cylinder.

Aleksander Mierzwa
Warsaw, Poland
mailto:alex@matrix.com.pl
87 Audi 5000CS turbo (mine)
88 Renault Medallion wagon (mom's)
91 mountain bike (just in case both cars broke at the same time :-)

> -----Original Message-----
> From:	jwms@hpe.infi.net [SMTP:jwms@hpe.infi.net]
> Sent:	Saturday, October 11, 1997 4:07 PM
> To:	quattro@coimbra.ans.net
> Subject:	Help- No brakes on '86 5kt when hot 
> 
> My '86 5kt loses the brakes when the car gets very hot from driving in
> heavy traffic on a hot day.  The pedal goes to the floor but no brake
> warning lights come on.  The brakes come back with a hard pedal if the
> car is parked for 20 or 30 minutes.
> 
> Replacing the fluid with Castrol LTM Dot 4 did not solve the problem.
> 
> I checked the archives and found a similar problem on an 87 5ktq, but
> could not find any indication as to what finally solved the problem.
> 
> I am thinking master cylinder but thought I would ask the list before
> I
> start replacing things.
> 
> Thanks in advance,
> Jim