Oil Pan Leaks - Defender Source
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  #1  
Old June 12th, 2014, 05:08 PM
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Ron
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Oil Pan Leaks

Installed a new oil pan gasket and it still seeps. Would using a sealant on both sides of the gasket keep it dry? This for a 97 D90.
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  #2  
Old June 12th, 2014, 05:17 PM
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Quote:
Originally Posted by JSBriggs View Post
Skip the gasket and use 'the right stuff'



-Jeff
2x..... make sure you use it as a sealer not a bond by letting it skin over

other wise you'll need a pry bar to get it off next time !
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  #3  
Old June 12th, 2014, 05:41 PM
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Quote:
Originally Posted by rovertek View Post
2x..... make sure you use it as a sealer not a bond by letting it skin over

other wise you'll need a pry bar to get it off next time !

This is true.
Will Tillery once told me to use Right Stuff to seal the oil sump pan.
Apply a nice bead all the way around .
Wait a minute and then replace the pan.
Tighten the bolts and wait a few hours.
Then, when it's set...you can remove the bolts and use 'em for another project!


.
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  #4  
Old June 22nd, 2014, 02:58 PM
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Update.........Got me some Right Stuff, dropped the sway bar and removed the pan so I could do a good job cleaning it and the engine mating surface. Its no wonder the pan leaks, the mating surface is not flat so the actual sealing surface is very small.......poor design. Applied a generous bead and bolted it in. Waited overnight and drove the truck. Bottom line, much improved but still get a drop or two after every trip.

Two dealers have told me that all D90's leak.
Does anyone have a truck that is 100% dry?
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  #5  
Old June 22nd, 2014, 03:11 PM
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Quote:
Originally Posted by Videoguy View Post

Two dealers have told me that all D90's leak.
Does anyone have a truck that is 100% dry?
That's pretty much true. You can reseal the motor, but it will eventually leak again. You probably have a leak from your crucifix seals or rear cam plug. It may just look like its the pan leaking.
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  #6  
Old June 22nd, 2014, 03:25 PM
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Quote:
Originally Posted by jsbriggs View Post
skip the gasket and use 'the right stuff' -jeff
x2. ....

------ Follow up post added June 22nd, 2014 03:27 PM ------

My 300tdi is 100% dry. I use right stuff on oil pan and don't fully tighten bolts till the next day. If you tighten then to spec immediately you squeeze out the sealant.
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  #7  
Old April 18th, 2016, 01:35 PM
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Chris tidwell
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Exclamation 300 TDI Sump Pan / Rocker Cover Gasket

I am replacing my Sump Pan seal. I have seen some threads about the "right Stuff" and some about "Permatex" (Non-hardening) Blue sealant. Are these the same, just different names or completely different products?


I am also replacing the rocker cover gasket and Breather O-ring. Would anyone recommend using a small bead of sealant with this gasket?


I live in NM (Dry and Dusty), Would anyone recommend or have used Luca Oil Stabilizer to keep seals from drying out?

Thanks for all the help!
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  #8  
Old April 18th, 2016, 01:53 PM
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John B.
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Quote:
Originally Posted by Commando II View Post
I am replacing my Sump Pan seal. I have seen some threads about the "right Stuff" and some about "Permatex" (Non-hardening) Blue sealant. Are these the same, just different names or completely different products?


I am also replacing the rocker cover gasket and Breather O-ring. Would anyone recommend using a small bead of sealant with this gasket?


I live in NM (Dry and Dusty), Would anyone recommend or have used Luca Oil Stabilizer to keep seals from drying out?

Thanks for all the help!
"The Right Stuff" is a product made by Permatex. https://www.permatex.com/products/ga...asket-maker-3/ The blue sealant is a different product.

No sealant should be needed on the rocker cover. What engine?
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  #9  
Old April 18th, 2016, 01:58 PM
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Is "Right Stuff" removable once cured?
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  #10  
Old April 18th, 2016, 02:02 PM
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Chris tidwell
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300 TDI


I will go and get the "right stuff"...Seems like everyone recommends it for the Sump Pan seal.
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  #11  
Old April 18th, 2016, 08:31 PM
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Chris Davis
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Good choice. I always donut Rightstuff around each bolt hole. I don't let it skin over too much, don't really see the point. It isn't that hard to get off. I use it on my axle flanges, too. Stuff is righteous.
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