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1980 NTC-400 engine oil drain plug and coolant filter

Posted By Dishington Friday, April 26, 2019 3:50 PM
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Dishington
 Posted Friday, April 26, 2019 3:50 PM
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1980 Cummings NTC-400, is this my engine oil drain? Also, I can't remove the engine coolant filter, I think it is rusted frozen. Any tricks? Thanks, Erichttp://forums.aths.org/Uploads/Images/8c68dc03-8d83-4798-b91d-0227.jpg
Newto
 Posted Friday, April 26, 2019 6:55 PM
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that's 1 of the drains....any of the plugs down low can be used.

If its too tight what we used to always do is just undo the 2 x 3/8 bolts (9/16 socket) where the oil pick up pipe attaches to the pan on the LH side.

Most times the gasket is re-usable otherwise just buy or cut a new one....to buy the part number is 157551.

As for the water filter.....punch a large screwdriver or drift through it about an inch down from the top then screw with force.....

Newto
Friday, April 26, 2019 6:57 PM by Newto
Geoff Weeks
 Posted Saturday, April 27, 2019 2:04 AM
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Yeah the 1 1/4" hex head is the drain for the pan.
On spin on filters you can drive a long handled screw driver though the filter and use the leverage to remove, but in the worse cases the sheetmetal can tears, and you have to clear a way what's left of the filter until you only have the base on the head, then insert two punches in the holes in the base about 180 deg apart and a bar between them to screw off the base.
WHen going back on with the new filter a little lube of some kind will prevent the rubber gasket from "bonding" to the filter head ( which is what happened this time) makeing it easy to get off the next time around.
Dishington
 Posted Saturday, April 27, 2019 10:47 AM
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Thanks guys for all the advice.

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