oil pressure sending unit
#1
oil pressure sending unit
Im going to install a few autometer gauges in my 2000 F-150 4.6. i was curious about where the oil pressure sending unit is. i know its supposed to be on the drivers side of the engine toward the pullys. I got under and looked for a bit and couldnt find it. is it somewhere else was i misinformed? also i hear about people installing a "t" fitting so that the factory light would still work. any info on how to wire this and what they mean by t fitting. is it something you buy or is it just a t junction in the wiring? thanks for any help
#4
If yours is like mine, the oil filter casting has an additional port with a pipe plug in it. This is apparently for use on other models or for mechanical oil pressure testing. I found it easier to use that instead of messing with the factory sensor.
All these fittings are usually regular 1/8" pipe threads. You can buy fittings at Home Depot.
All these fittings are usually regular 1/8" pipe threads. You can buy fittings at Home Depot.
#5
I agree with MrBSS, it would be easier if you can install the guage without messing with a tee. The T fitting is a two port fitting allowing two senders to read from the same outlet, screwed into the oil passage and having two places to install items, one, the original sender and two, the new one, leaving the factory unit to continue to function.
#6
#7
On my 97 4x4 4.6 the extra port is on the bottom of the housing. I believe it can be used to bleed air. On my truck the port is almost impossible to get to. There is about a half inch of clearence between it and the front pumpkin. Not sure about the size, probably quarter inch pipe threads.
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#8
Using a iron tee is a real simple procedure and it will let you use both gauges. Just use a 1/8"( I believe this is the size, bring your sender with you or measure it before you leave) pipe thread tee and screw it into the block where your existing sender is and then screw the two sensors into the other two ends of the tee. Dont forget to use a sealer on the threads. You can use bras or stainless also but you probably will have to use some sort of dielectric paste to keep from having some electrolosis action happen.
Last edited by 94F150-408; 05-24-2004 at 12:55 AM.