Ford F150 Forum - Community of Ford Truck Fans
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Ford F150 Forum - Community of Ford Truck Fans (https://www.f150forum.com/)
-   2009 - 2014 Ford F150 (https://www.f150forum.com/f38/)
-   -   Rear main seal or oil pan gasket? (https://www.f150forum.com/f38/rear-main-seal-oil-pan-gasket-432590/)

stumped11772 01-26-2019 10:59 PM
Update?
 
Originally Posted by jbridered (Post 5994450)
Thanks. Thats what i wanted to hear. Hope thats what it is.
So what did it end up being? I have the same thing going on. Noticed the leak, it’s slow. Just had the oil sending unit replaced. I took it in for an oil change and the mechanic (not Jiffy Lube) said it was the pan/gasket leaking. They recommended replacing the pan and gasket. I don’t know if I agree with replacing the pan, I feel like I should just have to replace the gasket. Anybody else have this issue and replace both? Not trying to cheap out the repair, but don’t want to waste money either.

Spiky 01-27-2019 12:30 AM
I had the gasket replaced. I wouldn't think the pan would need replacement unless it had some obvious damage.

stumped11772 01-27-2019 05:24 PM
Cost of Repair
 
Originally Posted by SquareHeadLights (Post 5995114)
Mine looked just like that and it was the rear main seal. Just enough oil to know there is a leak but wasn't dripping like I would expect for a rear main seal.
So how much did the rear main seal cost to replace? Or did you do it yourself, and if so how bad of a job was it?

stumped11772 01-27-2019 05:27 PM
Thanks
 
Originally Posted by Spiky (Post 6069563)
I had the gasket replaced. I wouldn't think the pan would need replacement unless it had some obvious damage.
Thanks! I didn't think it was necessary. Felt like it would be overkill if it is just the gasket. The truck has 139,000 miles on it and the pan is not damaged. I will end up replacing the gasket when the weather gets warmer/ when due for another oil change.

FerdinandF150 01-31-2019 06:31 PM
Do you mind if I piggy back off your post? I've discovered an oil leak in the same area. I'm starting simple and getting a new plug, but that's more wishful thinking than anything. I also have a leak at what I believe is my VCT solenoid seal. If you don't mind, can I post some photos?

jbridered 02-12-2019 10:11 PM
Sure
 
Originally Posted by FerdinandF150 (Post 6075654)
Do you mind if I piggy back off your post? I've discovered an oil leak in the same area. I'm starting simple and getting a new plug, but that's more wishful thinking than anything. I also have a leak at what I believe is my VCT solenoid seal. If you don't mind, can I post some photos?
Sure. Post away. I may try putting dye to narrow down the leak. Also might buy a cheap borescope

Psmith7612 02-13-2019 08:12 PM
Life of a Rear Main Seal
 
I was told by Pep Boys that I have a leaking rear main seal, but I only have 127K miles on my 2013, 5.0L, 2WD King Ranch. How long should a RMS last...everyone I talk to says it shouldn't have failed this soon? Other mechanics say it could also be the oil pan leaking!? HELP!

jbridered 02-14-2019 03:34 PM
Originally Posted by Psmith7612 (Post 6092725)
I was told by Pep Boys that I have a leaking rear main seal, but I only have 127K miles on my 2013, 5.0L, 2WD King Ranch. How long should a RMS last...everyone I talk to says it shouldn't have failed this soon? Other mechanics say it could also be the oil pan leaking!? HELP!
I only have 90k. It may be oil pan. If its coming from little center hole its not a good sign. Mine is showing oil up both sides of my oil pan also. Gonna clean. Buy uv dye to put in and a cheap bore scope.

Psmith7612 02-17-2019 07:49 AM
Originally Posted by jbridered (Post 6093788)
I only have 90k. It may be oil pan. If its coming from little center hole its not a good sign. Mine is showing oil up both sides of my oil pan also. Gonna clean. Buy uv dye to put in and a cheap bore scope.
So the dye just confirms it’s an oil leak and not a transmission leak correct? Any way to confirm that it’s the RMS and not the oil pan, without pulling the Trans?

Spiky 02-17-2019 10:55 AM
Clean it real good, then watch carefully to see where it comes from. Dye could help with this, but probably not necessary. We figured mine out just by looking carefully at the mess.


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