Sounds like a rod problem to me. If you let the knocking go on for too long,
you will throw the rod, most likely through the side of the block, and bend the
crank. I know this from first hand experience. From now on I pull knocking
engines before they let go - it's much cheaper to fix!
Dave
>>>>>>>>>>>>>
Joe Garrett wrote:
> I have an M109A2 shop van (LDT 465-1C) that runs great when it is first
> started. Once the oil pressure is up, it starts making a loud hammering
> noise. It is so loud that I can't tell if it is coming from the top or
> bottom of the engine. The fact that it doesn't start up for a minute or two
> after the engine is running makes me think that it is not a rod. It seems
> like a spun rod bearing would make noise from the instant the engine
> started.
>
> I have a school bus with an International DT466 diesel turbo that does the
> same damned thing. Both vehicles keep great oil pressure and neither
> smokes.
>
> Is it possible that this is caused by a stuck lifter? Do these symptoms
> sound familiar to anyone else?
>
> Joe Garrett
> cell 425-344-1402
>
> -----Original Message-----
> From: Kerry Bernstein [mailto:kbernste@us.ibm.com]
> Sent: Monday, August 27, 2001 5:42 PM
> To: Joe Garrett
> Subject: RE: M35A2 Woes
>
> You know how to make someone feel so much better !!!!!!!
> My NatlGuard friend told me its pretty common, and to just run the
> engine hard and hot to free it up.
>
> Kerry Bernstein
> STSM, IBM Server Technology
> kbernste@us.ibm.com
> 863K, 1000 River Rd, Essex Jct, VT 05452
>
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This archive was generated by hypermail 2b29 : Sun Sep 02 2001 - 11:15:41 PDT