Oil Pressure Switch
Senior User
Joined: Jun 2011
Posts: 162
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From: Denver, NC
This might help although it is for an earlier model.
https://www.ford-trucks.com/forums/5...-it-5-8-a.html
https://www.ford-trucks.com/forums/5...-it-5-8-a.html
Posting Guru
Joined: Apr 2005
Posts: 2,018
Likes: 0
From: Longview, TX
Oil pressure sender.
Ah! This is a frequent question.
First, check the connection. It may have been knocked loose during a filter change.
Remove the air inlet tube running from the top of the radiator into the air filter box. Looking at the oil filter, the sender is on the block above and slightly to the right IIRC. You can feel it, not see it. The parts stores have a socket to fit it. I recommend replacing it with a 1/4" NPT brass nipple 6 inches long and attaching a mechanical gauge tubing to it. Add a good mechanical temperature gauge while you are at it and mount them under the ash tray.
Try looking above at "Forums" and "Search" and find dozens of threads on the original oil pressure gauge limitations. With it you know AFTER you have a problem and engine damage, not before.
First, check the connection. It may have been knocked loose during a filter change.
Remove the air inlet tube running from the top of the radiator into the air filter box. Looking at the oil filter, the sender is on the block above and slightly to the right IIRC. You can feel it, not see it. The parts stores have a socket to fit it. I recommend replacing it with a 1/4" NPT brass nipple 6 inches long and attaching a mechanical gauge tubing to it. Add a good mechanical temperature gauge while you are at it and mount them under the ash tray.
Try looking above at "Forums" and "Search" and find dozens of threads on the original oil pressure gauge limitations. With it you know AFTER you have a problem and engine damage, not before.
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