86 CGT tapping engine

[Ed Kellock]

On mine I just removed the rod and replaced the vacuum pump.

----- Original Message ----- 
From: "Shawn Manny" <shawn.manny at gmail.com>
To: <David.Payne at brinksinc.com>
Cc: "Ed Kellock" <ekellock at gmail.com>; <quattro at audifans.com>
Sent: Wednesday, February 16, 2005 10:06 AM
Subject: Re: 86 CGT tapping engine


> Real easy to remove (I pulled mine and cleaned it up real well along
> with flipping it around). The symptoms are a loud "clack" comming
form
> that side of the motor. All you have to do is pull the pump (bottom
> nut first), disconnect its lines and voila! I left mine in as I need
> the extra vac. assist. If you're gonna leave it off make a block off
> plate or cap all the lines into and out of the pump, otherwise oil
and
> fumes will follow the vac. path.
>
> Shawn
>
>
> On Wed, 16 Feb 2005 10:47:06 -0600, David.Payne at brinksinc.com
> <David.Payne at brinksinc.com> wrote:
> > Ed,
> > What were your symptoms of vacuum rod knock and how hard is it to
remove?
> > Thanks, Dave.
> >
> > |---------+---------------------------->
> > |         |           "Ed Kellock"     |
> > |         |           <ekellock at gmail.c|
> > |         |           om>              |
> > |         |           Sent by:         |
> > |         |           quattro-bounces at a|
> > |         |           udifans.com      |
> > |         |                            |
> > |         |                            |
> > |         |           02/16/05 11:03 AM|
> > |         |                            |
> > |---------+---------------------------->
> >
>---------------------------------------------------------------------
-----------------------------------------|
> >  |
|
> >  |       To:       "Audifans" <quattro at audifans.com>
|
> >  |       cc:
        |
> >  |       Subject:  Re: 86 CGT tapping engine
|
> >
>---------------------------------------------------------------------
-----------------------------------------|
> >
> >
> > It could be two things: dry lifters or the actuation rod for the
> > vacuum pump.
> >
> > In the past, I have been able to reliably eliminate noisy cold
lifters
> > by using Mobil 1 15W50 or equivalent.  I tried Marvel Mystery Oil
and
> > ATF to supposedly clean the lifters, but without the right oil,
they
> > were always noisy at startup.  And if I flogged the car, they
could
> > also get noisy even when warm, and way worse if shut down soon
after a
> > flogging session.  The next cold start was almost painful.  With a
> > good, not-too-thin synthetic, I never had these problems again.
Your
> > experience may vary, but that's mine in regard to lifters.
> >
> > The vacuump pump rod is a different story.  Mine now resides in
the
> > glove compartment.  None of the above would eliminate the rod
tapping.
> > So I removed it.  I live at 6000 feet now and 8500 feet then and
> > noticed no affect on brake assist.  Again, your experience may
vary if
> > altitude is a factor for you, so just be aware if you go this
route.
> >
> > Ed
> >
> > ----- Original Message -----
> > From: "Mark Donohoe" <mdonohoe at axcessisp.net>
> > To: "Audifans" <quattro at audifans.com>
> > Sent: Wednesday, February 16, 2005 7:56 AM
> > Subject: 86 CGT tapping engine
> >
> > > After completing the timing belt job, I started the engine to
see
> > how it
> > > sounded.  The engine will tap for 15-20 minutes while sitting in
the
> > > garage before it quietens.  Do you think this is lifter noise
and
> > what
> > > might be the cause?  Some backgound info about this car:
116,000
> > miles,
> > > sat in a guy's driveway for years, rarely being driven.  Could
there
> > be
> > > something wrong with the oil pump?  When the tapping stops, it
> > sounds
> > > great.  Any ideas here?
> > >
> > > Mark Donohoe
> > >
> > >
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