[Supras] Fw: How do I locate an exhaust leak?

[b2nice84 at aol.com]

If the bolts are fine but?there is a?little crack in the?gasket, then it will not make as loud of a diesel sound but still be noticeable (valve clicking or valves needing adjustment, exhaust leak).? As it?deteriorate more and more and more of the gasket comes apart, it will diesel like you said.


Brandon


BTW... I have no idea why question marks keep on being added at the end of all my sentences.


-----Original Message-----
From: Sean Cavanaugh <millenia2000 at hotmail.com>
To: b2nice84 at aol.com; kalmufti at yahoo.com; supras at supras.com
Sent: Thu, 17 Apr 2008 3:06 pm
Subject: RE: [Supras] Fw: How do I locate an exhaust leak?


if the bolts on that are loose enough, you WILL notice it as the plate will rattle louder than a diesel engine on a cold day

-Sean

> To: kalmufti at yahoo.com; Supras at supras.com
> Date: Thu, 17 Apr 2008 17:57:18 -0400
> From: b2nice84 at aol.com
> Subject: Re: [Supras] Fw: How do I locate an exhaust leak?
> 
> It may not be the manifold at all if you have an EGR valve.? 
> 
> I had the same problem and it turned out to be the gasket for the diverter cover for the EGR valve.
> 
> This diverter?cover is on the back side of the head (between the head and firewall) that diverts exhust gases from the head into the EGR valve.? I think there are at least 8 bolts.? Make sure all the bolts are on tight or maybe the gasket is bad.? 
> 
> BTW it is hard to get to the bolts.? Just gotta take your time and hope you are double jointed.
> 
> Hope this helps
> Brandon
> 
> 
> 
> 
> -----Original Message-----
> From: Khalid Almufti <kalmufti at yahoo.com>
> To: Supras at supras.com
> Sent: Thu, 17 Apr 2008 1:13 pm
> Subject: [Supras] Fw: How do I locate an exhaust leak?
> 
> 
> 
> Ooops, forgot to cc the group.
> (pls see my reply below, thanks).
> 
> ----- Forwarded Message ----
> From: Khalid Almufti <kalmufti at yahoo.com>
> To: studioartist at yahoo.com
> Sent: Thursday, April 17, 2008 4:11:14 PM
> Subject: RE:How do I locate an exhaust leak?
> 
> ? 
> Hi!
> When I ran into this problem it turned out to be a leak around the exhaust 
> manifold gasket, which was actually due to the exhaust studs threads stripping 
> in the cylinder head (you should have all of them heliCoiled). Even if an 
> exhaust stud is heliCoiled into the head, the nuts need to be retorqued 
> occasionally, but do so on a cold engine (trust me on this one). So my advise 
> is to check the nuts on the exhaust manifold (90% it's the one on the rear most 
> location that will be loose, start there).
> 
> Good luck,
> Khalid, 90T
> 
> 
> 
> At 09:12 AM 4/16/2008, you wrote:
> >Message: 9
> >Date: Wed, 16 Apr 2008 03:06:26 -0700 (PDT)
> >From: LN <studioartist at yahoo.com>
> >Subject: [Supras] How do I locate an exhaust leak?
> >To: supras at supras.com
> >Message-ID: <58623.3731.qm at web30405.mail.mud.yahoo.com>
> >Content-Type: text/plain; charset=iso-8859-1
> >
> >I have an exhaust leaking sound in the engine
> >compartment area but can't tell where it is
> >originating from exactly. I took it to the local
> >Midas shop and they say it's the exhaust manifold
> >which cracked. Afterward back at home I took the 2
> >heat shields off the exhaust manifold but could not
> >see any cracks ( at least visible to the naked eye)
> >usingboth a flashlight and mirror to see the back
> >side. Can someone suggest a way to locate the exact
> >position for a leak?? Maybe it's in the down pipe?
> >How about using soap solution or will that won't work
> >due to the high heat ?
> 
> 
> 
> 
> 
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