GU-2.8TD Starting Update

Submitted: Monday, May 10, 2004 at 14:47
ThreadID: 12748 Views:2033 Replies:2 FollowUps:2
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Hi to those guys contributing to earlier discussion,

I phoned Motson's today and spoke to Noel who was very knowledgeable on this issue and gave some extra advice.

The cover plate in question is indeed for the injection timing piston. The wear mechanism is as posted by "GUMagoo93". The spring is other side than for the GQ pump, hence the fix can be done with pump in-situ. The Motson's fix is a new cover with extra thickness in lieu of shims, as available ex Nissan. For an in-situ fix, I think the Motson's cover seems a good way to go as I could see fitment of shims being a little fidly. Quoted price was $49.50 + postage.

Noel recommended that before replacing the cover plate, that I check the pump inlet filter which can become blocked. This is a small brass filter locating in the banjo fitting of fuel inlet hose to pump - not the primary fuel filter mounted off the inside guard. If this filter is blocked then it induces similar starting symptoms. Apparently the Nissan fix is to leave the filter removed, however Noel advised they replace it (very cheap). I wonder if the battery fix is somehow related to this filter i.e. electric pump flow is less due to reduced voltage and longer to prime pump if the filter is partially blocked.

I intend to check the inlet filter to see if this may have been a problem. Given that the engine starts OK now after new battery, I'll hold off on the cover plate for now.

Regards,
Hugh
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