Re: Super A Oil Pressure; Oil Pump

Posted by Daniel on February 09, 2004 at 08:33:28 from (66.226.33.19):

In Reply to: Super A Oil Pressure; Oil Pump posted by PGNS on February 09, 2004 at 06:13:18:

Two things that come to mind are:

1)Excessive bearing clearance, in other words, it is time for new main and/or rod bearings or an engine overhaul.

2) Warped oil pump cover. These covers will warp over time and prevent the pump from building pressure when the oil gets hot. This would be my first check. Drop the oil pan and remove the oil pump, I think you'll see how once the pan is off. Disassemble and clean thoroughly, especially the oil pickup screen, if it is clogged you can have low oil pressure, too.

Lay the cover on a piece of glass and use a feeler gauge around the edge to find the excess clearance. You can try putting some sandpaper on the glass and trying to flatten the cover by sanding but more than likely you will need a new one from IH. They are around $70.00. In any case you will need a new gasket for the cover. They are paper thin so don't try to substitute as they control the gear clearance.

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