2.5NA Oil Filler Cap Leak - Defender Source
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  #1  
Old February 26th, 2015, 07:49 PM
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2.5NA Oil Filler Cap Leak

Today for the 3rd time I've found my oil filler cap up(oil all over valve cover) and almost off of the valve cover completely. This leads me to believe "blow by" be the cause...

However, the cap doesn't have ANY resistance to put on or take off like there is no seal whatsoever. And by ANY I mean even with the car off the oil filler cap is lifted a little by the force of the breather tube.

Someone show me the light! Is there a stupid seal missing from the cap?

Thanks!
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  #2  
Old February 26th, 2015, 08:00 PM
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The O-ring is bad or missing.
As a temp fix, you can wrap the portion that goes in the valve cover with black plastic electrical tape to add a seal and gently tap in in place.
Never had one come out after doing this.
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Old February 26th, 2015, 08:33 PM
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Quote:
Originally Posted by rdavisinva View Post
The O-ring is bad or missing.
As a temp fix, you can wrap the portion that goes in the valve cover with black plastic electrical tape to add a seal and gently tap in in place.
Never had one come out after doing this.
Thank you sir! Can you kindly point me in the direction of a seal replacement?
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  #4  
Old February 26th, 2015, 09:08 PM
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RDS.....uncle George...
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Old February 26th, 2015, 09:16 PM
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Old March 9th, 2015, 09:27 AM
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Quote:
Originally Posted by rdavisinva View Post
The O-ring is bad or missing.
As a temp fix, you can wrap the portion that goes in the valve cover with black plastic electrical tape to add a seal and gently tap in in place.
Never had one come out after doing this.
Did this and worked like a charm. New seal on order..

Thanks!!
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Old March 9th, 2015, 10:33 AM
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Originally Posted by SidewaysWaffle View Post
Did this and worked like a charm. New seal on order..

Thanks!!
After fixing these things for about 40 years, it's surprising what you learn over tiiiimmmmmme.
Glad it worked out.
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Uncle "Richard" Douglas has a Land Rover with big wheels that never gets stuck... until he breaks something so it won't go. Uncle Douglas always breaks something. - Anna Crowther at the Conclave 2012 (AKA Carburetor Neck)

"What's with this death wobble, Uncle Douglas, I can't keep it in 1 lane?"
UD: "Just Power through it man!"
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