Whether the air pump belt is on or not will not affect the EGR valve - it
could still be leaking and causing the surging. Also, the fact that the air
pump belt is off could mean that the gulp valve is not working properly,
another possible cause of the surging.
Lawrie
BSC
----- Original Message -----
From: "MonteMorris" <mmorris@nemr.net>
To: "Lawrie Alexander" <Lawrie@britcars.com>
Sent: Monday, August 26, 2002 7:35 PM
Subject: Re: surging
> Thanks, Lawrie.
> My pollution control stuff is all intact, but the belt is off the air
pump.
> Could this still be the problem?
> Monte
>
>
> ----- Original Message -----
> From: "Lawrie Alexander" <Lawrie@britcars.com>
> To: "MonteMorris" <mmorris@nemr.net>
> Cc: <mgs@autox.team.net>
> Sent: Sunday, August 25, 2002 8:56 PM
> Subject: Re: surging
>
>
> > I'd be willing to bet that your EGR valve is failing. Try unbolting it
and
> > replacing the original gasket with one made from a solid piece of thick
> > gasket material, available from your local auto parts store. Cut no
holes
> in
> > the new one except for the two bolts that attach the EGR valve to the
> > manifold. Yes, someone will probably tell you you could just disconnect
> the
> > hose to the EGR valve but, if the valve is physically cracked on its
base
> (a
> > very common problem) this will not solve the surging problem.
> >
> > Lawrie
> > British Sportscar Center
> > ----- Original Message -----
> > From: "MonteMorris" <mmorris@nemr.net>
> > To: "MG list" <mgs@autox.team.net>
> > Sent: Sunday, August 25, 2002 12:02 PM
> > Subject: surging
> >
> >
> > > It's a beautiful afternoon here in Missouri and we are going for a
> cruise
> > in
> > > the 67.
> > >
> > > Our 79B with ZS carb seems like it is "surging" a little while
driving.
> > Not
> > > very noticably, but I'm pretty sure it is. The carb has been adjusted
to
> > as
> > > lean as it will go and the car seems to run fine-will do at least
80mph
> > (more
> > > if I'd let it) and doesn't ping or cut out. I set the valve clearance
> last
> > > January and set it wrong (at .015) and have been driving it since
April
> > this
> > > way. I just reset it to .014 hot, but it has seemed to surge for a
long
> > time.
> > > Any ideas?
> > >
> > >
> > > Monte Morris, Kahoka, MO
> > > 79B, Carmine
> > > 67B, BRG with dreamy suspension
> > > 74 1/2 parts car
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