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Here's my guess:
Mules (at least the 2-cylinder variety) have hydraulic lifters which are
known to leak down periodically, resulting in lots of lifter clattering on
startup. They can sometimes take a few minutes to pump up, and it might be
a good idea to keep the engine speed low until things get quiet again.
IMHO, Hydraulic lifters were a pretty dumb design move on an engine of this
size, and if I could, I would get rid of them in a heartbeat.
Brett Phillips
M274-A5 4ws
----- Original Message -----
From: "jonathon" <jemery@execpc.com>
To: "Military Vehicles List" <mil-veh@uller.skylee.com>
Sent: Saturday, April 01, 2000 10:51 PM
Subject: [MV] Mule Engine Noise, Again
> *This message was transferred with a trial version of CommuniGate(tm) Pro*
> Hi all,
>
> If you recall I had a problem last fall where I had a very loud tapping or
> ticking comming from the engine after it had sat for a few weeks. The
noise
> seemed to be once every revolution. There was no loss of power and it ran
> very smooth at idle and at high speed. Then a few days later I started it
> up and no noise.
>
> Well, after sitting since December guess what? It did it again, loud
> ticking noise but no other performace problems. I drove it around a
little
> with no change. Then I let is sit for a few hours and guess what again,
no
> noise!
>
> Any clues or hints as to what this is. The only idea from last time was
> that the oil dip stick might be getting hit by the crank but this is not
it.
>
> je
>
>
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This archive was generated by hypermail 2b29 : Mon May 01 2000 - 05:30:04 PDT