[DML] Re: Oil pressure sender - always says 80 psi
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[DML] Re: Oil pressure sender - always says 80 psi



The contacts on the inside of the pressure sender are contaminated. If 
you were to take it apart you will find a lever moving along a 
resistance bar of wound wire. The contact is very poor. "Back in the 
day" we (in Houston) drilled a hole (with a bit stop so as to not go in 
to far) and sprayed some cleaner on the contacts, put a rubber plug in 
the hole, covered it with some black silicone, and wa-la, it worked 
perfectly. As a matter of fact, I still have the original one in my car 
(drilled and sprayed in probably 1987) and it still works great - 
actually the needle goes to the last mark before the end of the top 
scale when cold and hovers around the lowest mark before the bottom of 
the scale when hot - at idle.

I thought Hervey had a replacement for the OEM ones? As far as I know, 
nearly all OEM's acted up unless cleaned.

Harold McElraft - 3354




--- In dmcnews@xxxxxxxxxxxxxxx, "sweetp01569" <paul.sweet@...> wrote:
>
> Question about oil pressure sender.  My oil pressure gauge always 
> reads just under 80 psi the instant I start the car.  Is this 
correct? 
> Just want to make sure, as I hear there are possible issues with 
> incorrect senders that display the wrong pressure.  
> 
> Thanks,
> 
> Paul
>




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