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

[Sean Cavanaugh]

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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