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Oil everywhere

T

Thumbs75

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Ok so my oil pressure gauge srarted to peg out I went to replace the sending unit to see if that was the problem but it didnt fix it but then when I got home I noticed a major puddle of oil under the truck wich looks like its comming from somewhere near the back drivers side of the block someone told me to tape the threads but when I went to unscew it there wasnt even any oil it it I cant see the back of the motor to really tell where the oil is coming from its a carberated 5.7 with a turbo 350 auto any ideas would be appreciated befor I start to tear into it
 
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Oil filter have 2 orings on it? I have seen it quite a few times when you don't check to be sure it came off with the filter.
 
Not unless it recently blew out the o ring I am due for an oil change but the leak just started a few days ago
 
Not unless it recently blew out the o ring I am due for an oil change but the leak just started a few days ago it will leave a puddle of oil the size of a softball after being paked about an hour or so
 
So you removed the sender and replaced it, then oil started to leak? So why aren't you convinced the new unit isn't sealed?
 
Maybe you loosened or cracked the extension sticking out of the block? You just changed something and now there is a new problem, seemingly coming from the same area you worked on.... If you have some goggles, a creeper and a flashlight you should be able to see that sending unit from below. They can leak like crazy.
 
After a lot of cleaning a little driving and a lot more wiping it looks like ther rear main seal thats leaking how hard is it to replace or is this something a shop should do?
 
After a lot of cleaning some driving a then more cleaning it looks like its the rear main seal now my question is is it eazy enough to replace or is this something I should have a shop do?
 
If the sender is not getting oil, then I would suspect that you cracked the 90 degree brass fitting that it screws into. They are fairly easy to break when changing the sending unit, and can create a very large leak. If your truck has a one peice rear main seal, you need to remove the transmission, or at least slide it back to change it. With a two peice, you can just remove the pan.
 
that brass fitting is the first thing i checked the new sender was smaller and didnt require it so i ditched it now its getting oil gauge is still pegged out. my truck is a 1980 what years came with what seal. top of the bell housing is still dry
 
If its a 1980 motor it will have the 2 piece rear main i beleive. There is a thread on here somewhere about changing them i thought.
 
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