need tips for oil pressure sending unit.
Tonite I was priming the oil pump on my freshly rebuilt 258 and when the pump caught prime the oil pressure sending unit started spurting oil out. Is there any tips or advice for changing this out?? like special thread sealant, can I spin the whole unit out of the block (2 switches on a big square brass looking fitting) or do both switches come out independantly?
The whole thing spins right out of the block. It's a PITA to reach sometimes. If you have a REALLY REALLY deep 1" (or 1 1/8"?) socket, that'll fit.
1995 YJ Rio Grande, 2.5L Low Output Engine
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yes you can take it out best thing to do is buy a mechanical gauage and install it so you dont have to worry about the sending unit going bad and leaking oil everywhere. i installed mine yesterday cost around 20 bills and is pretty easy to install
You have two sending unit? That is sorta odd but not uncommon. One goes to the gauge and the other sounds like it goes to an light for if the pressure drops below a set point. This would have been an add on item that was done by some one. Which would be an easy way to get your attention in case of an pressure loss or a kill switch. Now you could remove the two sending unit and tighten down the block and pipe to where it is seated.
A 89 yj with a 4.0 aw4 sye out of an 92xj. Now the hard part is done time to get it up in the air just a bit. Working on 8.8 with 3.73 and lsd for the rear. and new D30 hp with 3.73 .
For those who have not figured this out I'm old school but can handle the new too.
Originally Posted by bigsquat View Post
A mechanical gauge isn't a fix all as far as oil leakage. The plastic line can get a leak from the engine to the gauge. It can get a leak under the dash and get on the floor. If you go the mechanical route, just make sure the oil line isn't pinched or in a place where it will get rubbed alot.
1987 wrangler, 258 I-6, 5-speed.
2007 liberty sport 4X4, automatic
2009 ford ranger 4x4 FX4 OFF/ROAD, 5-speed
Guy at parts store looked both pieces up and one is oil pressure and other is oil light. $44 for both but mechanical guage is $15 so thats what I walked out with. Only to come home and read that other part might go to electric choke?? if that is the case all I have to do is take out the plug I bought and get the right part.
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