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Discussion Topic:
Replacing oil pressure sending unit
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classiclover |
08-26-2021 @ 10:22 AM
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Member
Posts: 73
Joined: Aug 2021
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Newbe here again Is there any thing special to replacing the oil sending unit on my stock 40 coupe Thks classic lover
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carcrazy |
08-26-2021 @ 10:44 AM
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Senior
Posts: 1667
Joined: Oct 2009
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Access to the sending unit is a little tight but with patience it can be done. If your engine is stock, be sure to use the correct oil pressure sending unit for a 50 PSI system.
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classiclover |
08-26-2021 @ 11:48 AM
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Member
Posts: 73
Joined: Aug 2021
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Thks my friend any particular source or brand
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pech33 |
08-26-2021 @ 12:13 PM
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Member
Posts: 84
Joined: Mar 2011
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I had my floormats out of my convertible, so I removed the transmission cover and the wood floorboard. You lay down on your stomach and you can get a wrench on it. While I was under the car the other day, I was looking at the sending unit from below and thought that I might get to it from under the car. It really needs a "distributor wrench"(the wrench you use to adjust the timing on a Chevrolet V8) the correct size that you can slip over from above, by the firewall.
Pat’s 40 Ragtop
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carcrazy |
08-26-2021 @ 3:29 PM
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Senior
Posts: 1667
Joined: Oct 2009
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You can use a crows foot wrench to remove the sender unit. I am not sure of the size, you will have to measure the distance between the opposing flats on the unit's base.
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ford38v8 |
08-26-2021 @ 3:38 PM
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Senior
Posts: 2763
Joined: Oct 2009
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As carcrazy said, a crow's foot wrench, or bend an open end wrench around into a U shape.
Alan
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pech33 |
08-26-2021 @ 4:42 PM
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Member
Posts: 84
Joined: Mar 2011
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It's a 9/16 square fitting.
Pat’s 40 Ragtop
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TomO |
08-27-2021 @ 9:27 AM
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Senior
Posts: 7256
Joined: Oct 2009
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Are you sure that you need a new sending unit? The replacement sending units do not seem to be reliable, but the original King-Seely units last a long time. What are the symptoms that make you think that you need a new sending unit?
Tom
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classiclover |
08-28-2021 @ 9:06 AM
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Member
Posts: 73
Joined: Aug 2021
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Tom The unit was replaced a short time ago, and failed again. The symptom is the gauge just pegs all the way over and stays there. Appears to be an elec issue. Not sure what the brand is. I just bought the car Dale
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ford38v8 |
08-28-2021 @ 9:12 AM
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Senior
Posts: 2763
Joined: Oct 2009
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That sounds that rather than the sending unit itself, it is the wire between the gauge and the sender. It is either shorted to ground, or broken connection altogether.
Alan
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