Re: IH 674 - Fuel in Oil

Posted by JB2 on April 28, 2005 at 17:16:32 from (69.196.154.214):

In Reply to: IH 674 - Fuel in Oil posted by Jim Burnette on April 28, 2005 at 05:02:35:

Hi Jim, the 674 has a D239 German Diesel engine with a Bosch injection pump. The problem with Diesel fuel in the crankcase oil is usually caused by the failure of the lip seal on the injection pump drive shaft. To replace the lip seal the injection pump must be removed from the engine. The lip seal is about $8 CND at CIH dealer.

There are no high tech tools required to replace the lip seal.

These lip seals are failing now due to age and also the new cleaner Diesel fuels have less lubrication than Diesel fuel when this injection pump was designed back in the late 1950s.

See this web site: http://www.blueridgediesel.com/servicetips.htm

If you open your email and repost, I will email you the two pages from I&T shop service manual for injection pump remove/install procedure.

Good luck
JB2

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• Re: IH 674 - Fuel in Oil Jim Burnette 13:43:04 05/02/05 (0)

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