Re: Hydraulic lifter noise

[Ewan Hopkins <Ewan.Hopkins@computeraid.co.uk>]

I heard an interesting technique for curing noisy lifters on the Audi list:
drain your oil & replace with DIESEL.  Run until the noise goes then refill
with your normal oil.
It wasn't specified how long would be reasonable to run it like this!

Anyone else come across this?


Ewan Hopkins


---------original message --------------------------------

Date: Tue, 30 Mar 1999 07:29:56 -0800
From: Bill Cawley <bcawley@nwrain.com>
Subject: Re: Hydraulic lifter noise

Unless the oil in your car is really fresh I would suggest changing your oil
and
adding the ATF in place of one quart of oil (you can use cheaper oil than
normal,
clean oil is important thing).  I would also suggest running the car for
more than 5
min. to get the best results, maybe 30 min.  Also I would run it a little
higher than
idle to ensure that the oil pressure was up.  After this drain out the
oil/atf
mixture and change the filter, add the oil of your choice and go for a
drive. :-)

Bill Cawley
One time professional mechanic...now it's just a hobby.

Night Shadow wrote:

> Basically, just before you change your oil, you dump in a quart, run the
> car at idle (DONT drive it or rev it) for 5 min then dump the
> oil....basically ATF has alot of cleaners in it...so it can clean the crap
> out of your lifters...I have no idea on effect (bad) on the engine...a
> mechanic friend of mine reccomended it along time ago on my Coupe...
>
> Eric
>
> On Mon, 29 Mar 1999, Jim Buck/BahnBurners! wrote:
>
> > All right, tell me about this proceedure.  Has anyone else on the list
done it?
> >
> > jim
> >
> > Night Shadow wrote:
> >
> > > I did the ATF thing on a old Audi Coupe GT I had....it worked fairly
> > > well...quieted all but the worst of my lifters...
> > >
> > > Eric
> > >
> > > On Mon, 29 Mar 1999, Brad Sheridan wrote:
> > >
> > > >
> > > >  I've got at least one hydraulic lifter on my 16V that is sticky. It
makes
> > > > noise, but not always. Sometimes after the car has been run for a
while,
> > > > like on the interstate, it goes away.
> > > >
> > > >  Has anyone tried any of the supposed cures for this? Either the
engine
> > > > cleaner additives, or the story about running ATF instead of engine
oil for
> > > > a few minute to clean everything out?
> > > >
> > > >  Alternatively, how difficult is it to swap these on a 16V? The
Bentley
> > > > makes it look like I've got to tear down alot of stuff, and then
completely
> > > > retime everything. Are there any quicker/simpler methods? What about
> > > > special tools?
> > > >
> > > > TIA,
> > > > Brad
> > > >
> > > >
> > > > --
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> > --
> > Jim Buck,
> >
> > BahnBurners!  http://www.mixi.net/~vwpride/
> >
> > 1990 Passat Wagon 2.0 16v
> > 1987 Scirocco 16v "lil 109"
> > 1982 Rabbit Convertible **FOR SALE**
> >
> >
>
> --
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