Oil Pressure Sending Unit for a '87 Dodge Ram 100, 318 V8

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Chawk619 - 29 Aug 2007 09:13 GMT

I am trying to find the Oil Pressure Sending Unit on a 318 V8 engine in an
'87 Dodge Ram 100. It has a history of problems with the Oil Pressure
Gauge fluctuating for no apparent reason. After replaceing the Oil Pan
Gasket there are no more apparent oil leaks, but it is still reading low
or no pressure. Does anyone know where the sending unit enters the engine
block so I can check that and possibly replace it.

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Big Al - 29 Aug 2007 14:49 GMT

> I am trying to find the Oil Pressure Sending Unit on a 318 V8 engine in an
> '87 Dodge Ram 100. It has a history of problems with the Oil Pressure
> Gauge fluctuating for no apparent reason. After replaceing the Oil Pan
> Gasket there are no more apparent oil leaks, but it is still reading low
> or no pressure. Does anyone know where the sending unit enters the engine
> block so I can check that and possibly replace it.

Look right next to the distributor. You need a special socket to get it out.
If you buy a new one from a parts house it will leak in a year or two.

Al

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BigIronRam - 29 Aug 2007 16:04 GMT

>> I am trying to find the Oil Pressure Sending Unit on a 318 V8 engine in
>> an
[quoted text clipped - 10 lines]
>
> Al

He has a gauge so a different sending unit. IIRC, a 7/16"open end wrench
fits the unit. Getting to the unit with the wrench is a bit of a
problem...it's tight back there.

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