From: Dave Brubaker (b52d@piace.com)
Date: Mon Jun 09 2003 - 12:35:53 PDT
Well it was mentioned to look at the vent hole in the bell housing. I knew
it was stored, but decided to check anyway and I discovered oil dripping
from the hole. Not a lot, but noticeable. Does not look like engine oil
though. Appears to be thicker. Possibly 90 weight from the transmission?
At any rate, seems silly to look into other possibilities until I know what
the oil is and fix it. Best guess would be that the clutch is picking up
the oil and slipping on that. It does not leak oil when it sits a long
time, so stands to reason a seal is leaking when everything is spinning
around.
So will pull the power pack and start poking around. But not until after
our rally on June 21st. I also have a new front wiring harness, might just
as well put that in while the motor is out, easier to get to the firewall
and stuff!
Will report back when I have more details.
Thanks to everybody who responded with info! The list is great for this
sort of thing. Such a pool of knowledge that gets shared!!!
Dave
============================================================================
============================
David & Donna Brubaker
Member MVPA #18115
M-151A2
KCØNZN
http://users.piace.com/~b52d/
President: Mid-Kansas MVPA
http://www.mkmvpa.com
----- Original Message -----
From: <Muttguru@aol.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Sunday, June 08, 2003 7:55 PM
Subject: Re: [MV] M151A2 clutch question
> Dave,
>
> the quick test of clutch performance is to put the parking brake on, start
> the engine, engage 3rd gear, then let the clutch engage slowly while
keeping the
> revs moderately high.
>
> If the engine stalls suddenly, the clutch is good. If it keeps rev-ing, or
> slowly dies, the clutch is worn out.
>
> If your clutch is new-ish (and you haven't been riding it), then there are
> only a few possibilities as to what is wrong. These are:-
>
> 1. Clutch pressure-plate fingers improperly adjusted or springs weak;
> 2. Engine oil contaminating clutch (but this usually results in clutch
judder
> rather than slipping); Is the fording plug for the bellhousing in its
stowage
> boss, or installed in the drain hole ? (it should be in in the stowage
boss):
> 3. Clutch release-bearing binding on splined mainshaft;
> 4. Clutch disk binding on splined mainshaft;
> 5. Engine to gearbox bolts loose, and engine moving away from gearbox
> slightly when cluch pedal is pressed. (Don't laugh, I saw one where the
engine was
> ready to pop apart from the gearbox !!!)
> 6. Clutch operating linkage binding (usually where the clutch operating
rod
> cross-shaft pivots);
>
> There really isn't much else that it could be. When you find the problem,
I'd
> appreciate it if you can let us all know, for future reference and
diagnosis
> .....
>
> Kind regards from England.....
> Ken
>
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