[Vwdiesel] squishy brakes?

[Patrick Dolan]

We don't have enough information.  If the pedal is going down as vacuum dies off (possible) but not all of the way to the floor, it would be as you suggest.  If it keeps on going, hydraulic.   Also possibility of both systems in trouble.

----- Original Message -----
From: mark shepherd <mark at shepher.fsnet.co.uk>
Date: Tuesday, August 3, 2010 1:38 pm
Subject: Re: [Vwdiesel] squishy brakes?

> Slow sinking does signify a slight leak, but the running out of 
> pedal power, 
> is a sign that the vaccuum pump is not replenishing vaccuum fast 
> enough. On 
> the Mk2  setup that could be either low oil in sump , or faulty 
> [chipped or 
> sticky] vanes  in the pump. Attach a vac gauge in 'boost/servo' line.
> 
> Mark
> 
> 
> ----- Original Message ----- 
> From: "Will Taygan" <william at taygan.com>
> To: <vwdiesel at vwfans.com>
> Sent: Tuesday, August 03, 2010 7:00 PM
> Subject: [Vwdiesel] squishy brakes?
> 
> 
> >
> > I'm wondering if I have a vacuum leak?  94' 1.6TD FrankenJetta
> > (originally gas).  Pedal sinks if pushed slowly.  Works great if 
> pushed> quickly.  Lots of pumping leads to a nice hard pedal but 
> with very very
> > little braking power.
> >
> > Bled rear brakes, no effect (although the right parking brake 
> cable was
> > stuck on - I've got new cables on order, although i suppose it 
> *could*> be that rebuilt caliper I put on last year)  Front brake 
> bleeders are
> > stuck/rounded.  Power lock vacuum is working fine.  Couldn't 
> find any
> > obvious leaks between the vac pump and the brake booster.  I put 
> some> RTV silicone around the grommet at the brake booster, just 
> in case that
> > might help.
> >
> > Ideas?
> >
> > Thanks,
> >
> > Will in Alaska.
> >
> > P.S. I'm thinking about just pulling this engine and putting it 
> in the
> > '82 diesel Westy, but I gotta figure out how much work that 
> actually is
> > first..  Winter is coming!
> >
> > _______________________________________________
> > Vwdiesel mailing list
> > Vwdiesel at vwfans.com
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> > 
> 
> 
> 
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