Re: RE: Re: The Great Spark Plug Debacle

From: Tony Cellana (acellan1@tampabay.rr.com)
Date: Sun Feb 22 2004 - 15:56:22 EST


The old plug won't cause a misfire due to a different heat range. It will
if its bad though. ;-)

On a note related to the initial portion of the thread; The heat shields
are spring steel and are just pressed in. Use a vice grip. Clamp onto an
end corner, and twist towards the other corner and outwards from the head.

Also, soaking with penetrating oil may make it a little easier. The WORST
case scenario is having to pull the head, and a helicoil in the plug hole.
If this is within your mechanical ability, try getting it out with an air
ratchet. If it breaks, then you at least know what you could be up against.

TonyC

-----Original Message-----
From: Peter Grace <pgrace@fierymoon.com>
To: dakota-truck-moderator@bent.twistedbits.net
<dakota-truck-moderator@bent.twistedbits.net>
Date: Sunday, February 22, 2004 1:12 PM
Subject: Re: DML: RE: Re: The Great Spark Plug Debacle

>
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>Ray,
> I was considering trying that -- my problem is that both bolts are
>rusted on to the shield... I was going to attempt to do the job without
>that. I was able to get #5 to budge a little bit today, but it took as
>much torque as I could possibly muster to move it even a millimeter...
>
> On a side note, I said screw it and left the bosch plug in #5 and
>reprogrammed the PCM -- as I expected, I am idling rough and when I put
>it into reverse for the test drive, it started to backfire slightly.
>
> Could having the old plug in there cause the backfiring, or are one of
>my plug wires not seated correctly?
>
>Pete
>
>
>
>Ray Irons wrote:
>| I've had difficulty in the past getting #5 out of the head. What gave
>me the
>| clearance I needed was not removing the Brake Booster, but removing
>the heat
>| shield (insulation blanket?) from the exhaust manifold. I know it doesn't
>| seem like much but it makes a difference.
>|
>| Ray Irons
>| Dover, DE
>|
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