Myself, I'd check the oil for gasoline in the oil, or oil period first, then
try to diagnose the problem. JXD Hercs are not easy to find from my
experience as a lot of them were robbed for civy trucks and equipment. I
thought I had a corner on a Herc out of a Diamond T truck and the guy that
had it had a forklift with a Herc and would not part with it. I finally
found a Stude 6x6 with a trashed frame and body for mine. Thanks Howard
----- Original Message -----
From: <CYCLOPSRAM@aol.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Tuesday, November 14, 2000 2:40 PM
Subject: Re: [MV] Hercules JXD engine "knock"
> Knock at idle. Knock at decelleration, Knock at accelleration?? All
have
> different causes... Mechanical fuel pumps are known to knock at idle...
A
> tight or frozen valve lifter is known to knock... A loose piston pin is
> known to knock.. A loose main bearing is known to knock and a loose rod
> bearing is known to knock.. A loose bolt on the clutch flywheel pressure
> plate is known to knock... Get out you stethoscope doc and find where
the
> noise is coming from... Ya starts by removing one plug wire at a time
and
> seeing (hearing) if a particular cylinder is at fault... For whom or
what
> would you be evaluating a vehicle??? Typically only vehicle experts
would
> try to evaluate a vehicle.. as in give a value... If you are checking it
> out for possible purchase yourself, go get an expert to evaluate it for
> you... RAM MVPA #217
>
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This archive was generated by hypermail 2b29 : Sun Dec 03 2000 - 20:29:52 PST