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#3229178 - 12/27/13 02:05 PM B12 + MMO = Leaks
Lmelin Offline


Registered: 12/26/13
Posts: 3
Loc: Montana
I have a 94 Accord 2.2 VTECH 5-speed. 268k Miles. Clutch started slipping about 3k miles ago. Took it to the dealer because they are reasonable and treat me well so at a minimum I get an estimate from them. They found low compressiin in one cylinder and really low compression in another. Rear main seal was leaking which was attributed to age and possible crankcase pressure from blow by. I let it set for 9 months because I'm busy but now I want it out of my driveway. Before I part it out I decided to try a piston soak to attempt to recover compression.

I started by using two bottles of B12 over a period of 24+ hours. After that leaked into the crankcase I cranked the motor for a few seconds and then put 4oz of MMO in each cylinder, and let it sit for 24 hours. Then I used my mytivac to suck the MMO out and inspect it. It was suprisingly clean. So I rotated the motor and put MMO back in for another 24. Sucked it out, this time it was dirtier but not black. I poured it in the oil fill. Filled up the oil with Mobil1 10w40. (Which is what I had been using for at least 100k miles due to small oil leaks and high mileage. It was the cheap stuff from WM) Took a while to get her started, had to jump it. She finally started and let it run for 1 hour.

I found leaks I didn't know I had. Plus the oil is thin from the B12 and it floats on ice so it looked worse than it was. I will refill the oil and start it again before I do another compression test. If she passes compression I will fix the oil leaks and throw a new clutch in. If not, she gets chopped. I will let you know how compression test goes.

By the way. I do not reccomend this method to anyone. I only did it because the engine had both feet in the grave already.
_________________________
98 Blazer 5-speed, ST 5w20 w/NAPA Platinum, Amsoil MTF
96 K1500 Auto, Valvoline ML 5w30 w/NAPA Silver, Dextron VI

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#3229236 - 12/27/13 03:28 PM Re: B12 + MMO = Leaks [Re: Lmelin]
crazyoildude Offline


Registered: 07/23/08
Posts: 9808
Loc: New Jersey
see what happens i see engines with low compression run many years that way... This time you do the test with a full battery charge who knows if the dealer was doing it correctly or at all
_________________________
Check To See That The Oil Jugs You Buy Have The Exact Amount Of Oil In Them And Have An Inner Seal Under The Cap. I Use Mobil 1 And Fram Ultra Filters

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#3229237 - 12/27/13 03:29 PM Re: B12 + MMO = Leaks [Re: Lmelin]
901Memphis Offline


Registered: 08/14/10
Posts: 12395
Loc: Northern Kentucky
Time to upgrade to a newer model smile
_________________________
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
1998 Nissan Altima 337k - 5MT - M1 HM 5w30/Fram Ultra XG7317+MOS+ATP 205

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#3229249 - 12/27/13 03:45 PM Re: B12 + MMO = Leaks [Re: Lmelin]
Ramblejam Offline


Registered: 11/05/13
Posts: 3137
Loc: Kentucky
Originally Posted By: Lmelin
Filled up the oil with Mobil1 10w40.


Are you running the high mileage variant?

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#3229270 - 12/27/13 04:35 PM Re: B12 + MMO = Leaks [Re: Lmelin]
Trav Offline


Registered: 11/20/06
Posts: 15898
Loc: MA, Mittelfranken.de
Originally Posted By: Lmelin
I started by using two bottles of B12 over a period of 24+ hours

Okay so far, I would have used GM top engine cleaner but that another thread.

Originally Posted By: Lmelin
After that leaked into the crankcase I cranked the motor for a few seconds

That was the mistake IMO. If it just went down in the pan not a problem if you drained it but cranking it circulated throughout the engine bringing a very concentrated mix in contact with every gasket and seal.
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#3229314 - 12/27/13 05:39 PM Re: B12 + MMO = Leaks [Re: Lmelin]
Rand Offline


Registered: 08/20/03
Posts: 11559
Loc: NE,Ohio
is it possible the oil leaks contaminated the clutch causing the slipping?
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#3229318 - 12/27/13 05:43 PM Re: B12 + MMO = Leaks [Re: Rand]
demarpaint Offline


Registered: 07/03/05
Posts: 27351
Loc: NY
Originally Posted By: Rand
is it possible the oil leaks contaminated the clutch causing the slipping?


Yes if the rear main seal is bad it can wipe a clutch out in short order.
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#3229363 - 12/27/13 06:29 PM Re: B12 + MMO = Leaks [Re: Lmelin]
Donald Offline


Registered: 03/21/04
Posts: 18508
Loc: Upstate NY
Originally Posted By: Lmelin
I have a 94 Accord 2.2 VTECH 5-speed. 268k Miles. Clutch started slipping about 3k miles ago. Took it to the dealer because they are reasonable and treat me well so at a minimum I get an estimate from them. They found low compressiin in one cylinder and really low compression in another. Rear main seal was leaking which was attributed to age and possible crankcase pressure from blow by. I let it set for 9 months because I'm busy but now I want it out of my driveway. Before I part it out I decided to try a piston soak to attempt to recover compression.

I started by using two bottles of B12 over a period of 24+ hours. After that leaked into the crankcase I cranked the motor for a few seconds and then put 4oz of MMO in each cylinder, and let it sit for 24 hours. Then I used my mytivac to suck the MMO out and inspect it. It was suprisingly clean. So I rotated the motor and put MMO back in for another 24. Sucked it out, this time it was dirtier but not black. I poured it in the oil fill. Filled up the oil with Mobil1 10w40. (Which is what I had been using for at least 100k miles due to small oil leaks and high mileage. It was the cheap stuff from WM) Took a while to get her started, had to jump it. She finally started and let it run for 1 hour.

I found leaks I didn't know I had. Plus the oil is thin from the B12 and it floats on ice so it looked worse than it was. I will refill the oil and start it again before I do another compression test. If she passes compression I will fix the oil leaks and throw a new clutch in. If not, she gets chopped. I will let you know how compression test goes.

By the way. I do not reccomend this method to anyone. I only did it because the engine had both feet in the grave already.


Why would anyone consider trying to start the engine without changing the oil with the B12 in the crankcase.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#3229429 - 12/27/13 07:45 PM Re: B12 + MMO = Leaks [Re: Lmelin]
Lmelin Offline


Registered: 12/26/13
Posts: 3
Loc: Montana
I considered it because rumor has it that was once a recommended use of the product. I know I used a lot but I was willing to take the risk.

Yes, I have a feeling the clutch went slick because of the rear main oil leak. I was not using the high mileage variant, just the cheap stuff.
_________________________
98 Blazer 5-speed, ST 5w20 w/NAPA Platinum, Amsoil MTF
96 K1500 Auto, Valvoline ML 5w30 w/NAPA Silver, Dextron VI

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#3229449 - 12/27/13 08:04 PM Re: B12 + MMO = Leaks [Re: Lmelin]
Ramblejam Offline


Registered: 11/05/13
Posts: 3137
Loc: Kentucky
Originally Posted By: Lmelin
I considered it because rumor has it that was once a recommended use of the product. I know I used a lot but I was willing to take the risk.

Yes, I have a feeling the clutch went slick because of the rear main oil leak. I was not using the high mileage variant, just the cheap stuff.


So you just have plain oil in there now, correct?

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#3229916 - 12/28/13 10:30 AM Re: B12 + MMO = Leaks [Re: Lmelin]
Vikas Offline


Registered: 07/22/05
Posts: 10981
Loc: NorthEast
"cheap" Mobil 1, huh??

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#3244476 - 01/10/14 10:49 PM Re: B12 + MMO = Leaks [Re: Lmelin]
Lmelin Offline


Registered: 12/26/13
Posts: 3
Loc: Montana
Hokay so
I tested the compression with the same results as before, low compression on cylinder 1 and none on cylinder 3. I did warm up the car before doing the test and this time no oil leaks, weird!
At this point I figure the engine is shot, but I threw Kreen in #1 & #3 to see if that makes a difference.

Correction on earlier statement. I was using Mobile 5000 high mileage.
_________________________
98 Blazer 5-speed, ST 5w20 w/NAPA Platinum, Amsoil MTF
96 K1500 Auto, Valvoline ML 5w30 w/NAPA Silver, Dextron VI

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#3259882 - 01/25/14 05:48 PM Re: B12 + MMO = Leaks [Re: Lmelin]
outdoorsman310 Offline


Registered: 08/26/13
Posts: 113
Loc: DE
why is the engine shot? it runs well right? i would just change the oil with 5w30, filter, and pcv valve. then go from there.

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#3261943 - 01/27/14 08:06 PM Re: B12 + MMO = Leaks [Re: Lmelin]
leroyd92 Offline


Registered: 01/21/14
Posts: 391
Loc: AZ
For what little its worth, I've stopped adding mom to my oil... unless its a fast flush like I did on my boat, but that was about 7half quarts of random oil of all weights and 2quarts of diesel. So even then I don't use it for that...


But the jug on my Harley leaks, and if I add mom to the oil (mixed for winter) it leaks a lot more,

Same with an old 305motor I have, added mmo and the rear main leaked like a mofo after 500miles... sat the truck in retirement after that one =(

Lastly, I added mmo to my 1980 th400 (the pint the bottle says)

And about 200miles later (don't drive it much ) forward seal started puking............... that one hurt me =(


But I wouldn't think twice about using it daily or dumping a quart in the new vehicle with a full tank to CLEAN THE HECK OUT OF EVERYTHING in that motor...


Maybe I had bad luck, but, who knows... there a gent at my work with a 2500hd suburban (I think that's the model) with 472xxx miles on it using mmo in the gas and oil from the day he drove it off the lot...

So who knows...
_________________________
Supertech Junky

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#3261977 - 01/27/14 08:34 PM Re: B12 + MMO = Leaks [Re: Lmelin]
GaleHawkins Offline


Registered: 01/06/14
Posts: 584
Loc: Murray KY USA
Guys I have used a lot of chemicals like this in the day and they can work but have been reading about some nano "green" cleaners that have my interest.

http://www.archoil.com/index.cfm/products/custom/ar2300-engine-nano-cleaner/

I just got some of their AR6200 to test but plan to test out the AR2300 line before trying their AR9100 or AR9300 modifiers.

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