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  #1  
Old March 27th, 2015, 11:23 AM
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mark kellgren
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Blue Devil Oil Stop Leak

I had a leaking gearbox a while back and after quite a bit of research on the web, I saw this stuff recommended on several different forums by experienced Rover folk. I got some and put maybe 5-10oz in my LT230 and axle housings and it definitely reduced the leakage.

Few months later, I decided to try some on my Wife's 04 D2 that was pushing 200k. Her 4.6 was consuming a quart of oil every 2 weeks, and I could see where it was weeping around the valve cover seals a little bit. No smoke in exhaust observed. It was leaving the classic small puddle every day.

I put 2/3 of a bottle of Blue Devil in the sump and topped off the oil to max. This was about a month ago. First 2 weeks after that treatment I checked the oil level, and it was still at MAX! I couldn't believe the effectiveness. It's been about a month now. I checked it last night, and the level is at about 3/4 full.

So far, I can whole heartedly endorse that product based on my personal experience.

I'm going to add some to my 2.8 soon to reduce that oil consumption. Leaking turbo seals fixed, and allisport catch can already added. I'll report back on results there later.
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  #2  
Old March 27th, 2015, 11:47 AM
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It might not be Blue Devil, but a few years ago I remember reading on one of the bottles specifically saying it was not to be used in turbocharged applications. Good news on the other stuff though. Glad to hear.
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  #3  
Old March 27th, 2015, 12:04 PM
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maybe a little barrs stop leak to slow down that head gasket
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  #4  
Old March 27th, 2015, 12:35 PM
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Quote:
Originally Posted by Overlander View Post
Few months later, I decided to try some on my Wife's 04 D2 that was pushing 200k. Her 4.6 was consuming a quart of oil every 2 weeks, and I could see where it was weeping around the valve cover seals a little bit. No smoke in exhaust observed. It was leaving the classic small puddle every day. .
My '04 4.6 leaked at the front cover gasket @ the main crank pulley.
They wear a groove there and the seal no longer...seals.
I changed it for a better/smooth one.

.
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  #5  
Old March 27th, 2015, 12:36 PM
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speedi-sleeve?

Quote:
Originally Posted by Nomar View Post
My '04 4.6 leaked at the front cover gasket @ the main crank pulley.
They wear a groove there and the seal no longer...seals.
I changed it for a better/smooth one.

.
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Present:
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  #6  
Old March 27th, 2015, 12:46 PM
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Quote:
Originally Posted by Ren Ching View Post
speedi-sleeve?
I love the speedi-sleeves...greatest invention ever.
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  #7  
Old March 27th, 2015, 01:09 PM
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Quote:
Originally Posted by nathanwind View Post
I love the speedi-sleeves...greatest invention ever.
Amen, I put them on damn near everything I tear down even if it isn't actually needed. Why? The speedi-sleeve stainless steel is superior to the machined steel or iron component it is fitted to. It's especially helpful when a new part is unobtanium.
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  #8  
Old March 27th, 2015, 01:39 PM
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Quote:
Originally Posted by Ren Ching View Post
speedi-sleeve?
Interesting...never tried that

I just called Will and a new pulley magically appeared a few days later!


.
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  #9  
Old March 27th, 2015, 01:52 PM
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Quote:
Originally Posted by rover4x4 View Post
maybe a little barrs stop leak to slow down that head gasket
not sure if you're referring to my TDI or V8, but it's not a head gasket issue on either. we're talking oil, not coolant. my tdi head gasket is fresh as well.

------ Follow up post added March 27th, 2015 01:54 PM ------

Quote:
Originally Posted by Scottyoh View Post
It might not be Blue Devil, but a few years ago I remember reading on one of the bottles specifically saying it was not to be used in turbocharged applications. Good news on the other stuff though. Glad to hear.

I read through all the Blue Devil documentation I can find and didn't see anything about turbo's as that was my concern as well. it's non-clogging, so it restores seals, it's not a clogger like a bars. I'll do my due diligence first, even if I have to call the company, before putting it in a turbocharged engine.
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  #10  
Old March 27th, 2015, 02:28 PM
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  #11  
Old March 27th, 2015, 02:34 PM
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That's awesome that they answer quickly and clearly. Good to know. Thank you.
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  #12  
Old April 22nd, 2015, 12:24 PM
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Mark, are you using this in the Tdi yet?

If so, how is it working?

.
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  #13  
Old March 13th, 2016, 09:44 AM
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Question

I thinking about using Blue Devil Rear Main Seal stop leak to cure a vey slow drip. Any experience with this for rear main leaks?
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  #14  
Old April 14th, 2016, 06:53 PM
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Just wanted to say thanks for the recommend on this stuff. Had an out of control oil leak on my Cruiser which is now down to a very slow drip.
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  #15  
Old April 14th, 2016, 08:13 PM
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Blue Devil stopped my rear main leak for about 200 miles then it started leaking again...
Next oil change I'm replacing the crucifix seals...good times!
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