From: Ron (rojoha@adelphia.net)
Date: Sun Oct 17 2004 - 05:14:29 PDT
Snap On tool would work gang busters on undamaged glow plugs, but if
they are swelled. in a word, useless.
OTC tool would work great on an engine that is on a stand, where access
is not hindered in any way. But in an M1010, it could only be effectively
used on 3 out of 8, without removing battery trays, AC unit, power steering
hoses, etc. It worked, but you could really use 4 hands to work it
effectively.
Owens export tool arrived after we got them out. It didn't appear to be
'hardened' so how long the threads would last was a question we were unable
to answer. It did appear to answer the question of how to apply force to
both the plug and the block at the same time though.
The tools that worked best for us was a GM style door trim removal tool
and a deep socket on a 3/8' pneumatic nut runner. Back the glow plug out of
the block as far as possible, then put the trim tool between the threaded
head and the block. It will fit nicely over the 'shaft' of the glow plug
going into the engine. Put the deep socket over the head of the glow plug,
attach the nut runner and get it spinning, then lean into the handle of the
trim tool. The spinning glow plug combined with the movement out of the
combustion chamber through the head/block will drive the 'expanded' shaft
back together and the constant pressure on the trim tool will extract it
nicely, leaving (in our experience) nothing behind. Took about 30 to 45
minutes total to remove the last 6 versus 3 hours to remove the first three.
The only thing that would have made it easier was a trim tool that had a
longer handle allowing you to apply more leverage against the head of the
glow plug.
Regards, Ron
----- Original Message -----
From: "Michael Howell, DO" <michael@tsixroads.com>
To: "Ron" <rojoha@comcast.net>; "Military Vehicles Mailing List"
<mil-veh@mil-veh.org>
Sent: 17 October, 2004 00:54
Subject: Re: [MV] 6.2 l glow plug removal tools
>I was going through old email because I need to replace some of my glow
>plugs. I was wondering what you thought of the snap on tool when it came
>in? How did you get the rest of the plugs out?
>
> Mike
> Tishomingo, MS
> M1010
> M1009
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