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Oil Leak, Broken Electrical Tab Thing

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ZombieSix

10+ Year Contributor
506
3
Jan 29, 2012
Guam, Asia
So i noticed my car is leaking oil, its a steady drip coming from the pump (?) so when i was investigating it this electrical tab thing also snapped off, i think it was barely on there caz i barely even touched it. Heres a picture

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The yellow thing broke off and the oil is leaking from the red circle.

few questions i have
1. what is the electrical thing
2. you think if i pull that weird fitting off and maybe change a o ring itll stop leaking? or how would i go bout fixing this.
 

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That whole thing is your oil cooler. The yellow thing is your oil temperature or your oil pressure sensor. To get the red thing off you need either a vice grip or deep socket not sure which size.
 
Is it just me or does it look like the turbo oil feed line is cross threaded like crazy?

Yea I thought maybe it was a trick of the eye. I figured if it was really like that, it would leak so bad under pressure that there is no way he could miss it.
 
^ Nope, that looks pretty cross threaded to me too.

There is no oil level sensor. It's the pressure sensor or idiot light. You can replace that connector with a spade terminal (that's all it is from the factory anyhow, just has a black cover on it).
 
^ Nope, that looks pretty cross threaded to me too.

There is no oil level sensor. It's the pressure sensor or idiot light. You can replace that connector with a spade terminal (that's all it is from the factory anyhow, just has a black cover on it).


Its the sensor that triggers the low oil light. Not the pressure sender.
 
Its the sensor that triggers the low oil light. Not the pressure sender.

It illuminates when the pressure is low, something like under 4-5 psi, which isn't always due to the oil level.

I'm not sure how you folks are jumping to the conclusion that the feed line is cross-threaded. As far as I can tell, it looks okay. The threads in the housing at that location are angled like that. It is likely that the fitting is not the correct thread, but it should be close enough to work without leaking; it's been done many times before.
 
So then i don't technically need the electrical part of it? the little part it clips down onto broke off like with it so i need a new tab thing and then i need use a spade terminal to hook it back up...or should i just not bother with it, i check my oil all the time? also nothing really leaking from turbo feed line but i will investigate it further, going over to a buddies in a few days to put this thing on jacks.
 
Use a spade terminal as Blurred Talon suggested to hook it back up; it's a good warning light to have functioning. If the sensor is leaking at the threads, pull it off, consider replacing it, use thread sealant, and put it back together as Seamus suggested.
 
how do i hook it back up if theres no tab there, like the tab itself snapped off. where do i get a new one?
 
yea it is definatly a warning light worth keeping. It saved me about 3 months ago when my oil feed line broke at the swivel on the hose end. I lost a ton of oil in a matter of a minute of so and since i was idleing in traffic, my pressure was not low enough on my gauge yet to show alarm. But that light clued me into a problem before i damaged my turbo which would have been spooled up wiht no oil supply when i acceleragted back up to highway speeds.
 
how do i hook it back up if theres no tab there, like the tab itself snapped off. where do i get a new one?

You buy an appropriately sized one of these: #6 Insulated Ring Terminals (16-Pack) : Ring Terminals | RadioShack.com...

... instead of the spade connector and remove the screw on the sensor itself, just to the right of the yellow circle. Slip around the screw and re-secure it.

Since that doesn't help your leak, you buy a new sensor and use thread sealant. It's less than $10 from your local parts store and will take care of all that.

yea it is definatly a warning light worth keeping. It saved me about 3 months ago when my oil feed line broke at the swivel on the hose end. I lost a ton of oil in a matter of a minute of so and since i was idleing in traffic, my pressure was not low enough on my gauge yet to show alarm. But that light clued me into a problem before i damaged my turbo which would have been spooled up wiht no oil supply when i acceleragted back up to highway speeds.

The turbo would have been the least of your worries.
 
its two wires, so do i just put them both into the terminal lug, crimp it and stick it on the screw?

will it come with the tab if i buy a new oil low level sensor?


Sorry for my newb-ness
 
The new unit will come with a new tab, yes.

Only one wire runs to that sensor so I'm not sure exactly what other wire you are referring to.
 
Does your oil pressure gauge work as well? Perhaps the wire has came off the sending unit for that as well. There should only be one wire that connects to the Oil pressure switch that is being referred to in this post (the one that controlls the dummy light). Perhaps the wire for the oil sender is broke too?

that reminds me... I need to fix that on my car.
 
have an aftermarket greddy press gauge, it has a line that goes to the electrical sender and then to the gauge, it works great.
 
UPDATE!

Bought new Oil pressure sender at autozone (8 bucks) and got a quick disconnect terminal and replaced it. well i fired it up and it was leaking oil worse then before!

Turns out there is a SMALL crack on the top of the oil filter housing where the pressure sender screws in. So i covered her up with some JB Weld and shes holding tight for now, but i defiantly need a new Filter Housing.

Guessing im going to go with
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Anything else i might need? The line also going to the turbo does look very cross threaded =( What kind of elbow fitting is that? I cant seem to find it.

Also the oil press sender on the back of the housing i do not need because i have an aftermarket greddy oil press gauge., should i just put a bolt in there to block it off on the new housing?
 
The port that fitting is screwed into follows the blue lines to the engine block. The threads are not straight, they are angled just like the port. Unless you have other reason to believe that it is cross-threaded, be sure to use thread sealant and don't worry about it.

If you get the original housing replacement, it will not come with an oil cooler meaning you'll need to retain yours. So it would be wise to replace the o-ring that seals it against the oil filter housing. It is part number MD620908.
 

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Awesome thanks!

Yeah i was going to retain my cooler, so just the o ring, the gasket and the filter housing? Do you happen to have a bolt size or Part # i could use to block off the press sensor on the back?
 
MD014929 is #3 here. It is the same thread size (1/8 BSPT) as the oil filter housing sensors.

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