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#3326385 - 03/28/14 02:54 PM How do I clean the piston oil rings?
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
168k 1997 honda civic dx:

I just replaced my valve seals and I am still consuming lots of oil. Is there anything I can place through the spark plug holes so that it dissolves the carbon? I have a gallon of LC20, I wonder if I can pour some in and let it sit on the rings. Maybe it's too thick.


Edited by Cleft_Asunder (03/28/14 02:56 PM)

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#3326388 - 03/28/14 02:57 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
Doog Offline


Registered: 10/24/11
Posts: 3469
Loc: Ohio
Did you replace the PCV valve?
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#3326439 - 03/28/14 03:44 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
FL_Rob Offline


Registered: 06/03/09
Posts: 1412
Loc: gulf coast FL.U.S.
Seafoam,Kreen,Berrymans B-12.

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#3326441 - 03/28/14 03:49 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
MolaKule Offline


Registered: 06/05/02
Posts: 14658
Loc: Midwest
Try something with lubrication such as LCD's LC20, 4-6 ounces in each cylinder.

Let it soak overnight and then turn crankshaft by hand.

Let it soak overnight again and repeat next day.

Before firing up, inspect each hole to make sure all liquid has run past the rings. If not suck it out.


Edited by MolaKule (03/28/14 03:55 PM)
_________________________
Just pour the coffee and back away slowly! smile

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#3326501 - 03/28/14 04:47 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
andyd Offline


Registered: 09/25/04
Posts: 3816
Loc: Marshfield , MA
Leave the plugs out for the entire operation. smile
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1994 Ranger ,600$ Rat, 5w30 dino, STP filter

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#3326513 - 03/28/14 05:02 PM Re: How do I clean the piston oil rings? [Re: andyd]
MolaKule Offline


Registered: 06/05/02
Posts: 14658
Loc: Midwest
Originally Posted By: andyd
Leave the plugs out for the entire operation. smile


Absolutely and thanks for reminding me of that crucial step. thumbsup


Edited by MolaKule (03/28/14 05:03 PM)
_________________________
Just pour the coffee and back away slowly! smile

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#3326521 - 03/28/14 05:08 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
Gokhan Offline


Registered: 12/29/10
Posts: 1564
Loc: Los Angeles, California
Originally Posted By: Cleft_Asunder
I just replaced my valve seals and I am still consuming lots of oil.

Are you sure that it was done right? It's not difficult to damage or break these very delicate seals during installation. Also, if they aren't seated properly, they will pop out and then you have no seals.

I had posted this a while ago:

Wonders of valve-stem oil seal replacement
_________________________
1985 Toyota Corolla LE, 4A-LC engine, ~ 257,000 M
Toyota (by ExxonMobil) SN/GF-5 0W-20 Synthetic
Toyota 90915-YZZF2 filter, 90430-12031 drain gasket

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#3329137 - 03/31/14 12:58 PM Re: How do I clean the piston oil rings? [Re: Gokhan]
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
Originally Posted By: Gokhan
Originally Posted By: Cleft_Asunder
I just replaced my valve seals and I am still consuming lots of oil.

Are you sure that it was done right? It's not difficult to damage or break these very delicate seals during installation. Also, if they aren't seated properly, they will pop out and then you have no seals.

I had posted this a while ago:

Wonders of valve-stem oil seal replacement


I'm confident I did it right, just the way you described in your DIY, but I will check again soon, just to make sure they haven't come loose. Thanks.

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#3329140 - 03/31/14 12:59 PM Re: How do I clean the piston oil rings? [Re: MolaKule]
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
Originally Posted By: MolaKule
Try something with lubrication such as LCD's LC20, 4-6 ounces in each cylinder.

Let it soak overnight and then turn crankshaft by hand.

Let it soak overnight again and repeat next day.

Before firing up, inspect each hole to make sure all liquid has run past the rings. If not suck it out.


I'm going to try that!

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#3329180 - 03/31/14 01:35 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
I'm putting in like 2 quarts every 3000 miles. No external leaks. Could a headgasket leak oil into one of the cylinders? I have no coolant leaks.

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#3329203 - 03/31/14 02:01 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
jayg Offline


Registered: 10/04/12
Posts: 343
Loc: Acworth, GA
How is it smoking? Usally smoking at idle = valve stem seals. Smoking under aceleration = rings.
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'73 Datsun 240Z 4sp (AutoX)
'91 Honda CB250 Nighthawk (Cafe modded)


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#3329209 - 03/31/14 02:08 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
JHZR2 Offline



Registered: 12/14/02
Posts: 33791
Loc: New Jersey
I had no smoke, no drips, just lots of consumption on the highway... Did B-12 chemtool flush after other options didnt help. Added restore after that on a whim because lots of reports indicated it quiets lifter ticks. Both the tick and the consumption are gone!

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#3329227 - 03/31/14 02:29 PM Re: How do I clean the piston oil rings? [Re: JHZR2]
demarpaint Offline


Registered: 07/03/05
Posts: 21378
Loc: NY
Originally Posted By: JHZR2
I had no smoke, no drips, just lots of consumption on the highway... Did B-12 chemtool flush after other options didnt help. Added restore after that on a whim because lots of reports indicated it quiets lifter ticks. Both the tick and the consumption are gone!


Be careful speaking positively about Restore, it could get you in trouble around here. LOL
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#3329359 - 03/31/14 04:33 PM Re: How do I clean the piston oil rings? [Re: demarpaint]
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
Originally Posted By: demarpaint
Originally Posted By: JHZR2
I had no smoke, no drips, just lots of consumption on the highway... Did B-12 chemtool flush after other options didnt help. Added restore after that on a whim because lots of reports indicated it quiets lifter ticks. Both the tick and the consumption are gone!


Be careful speaking positively about Restore, it could get you in trouble around here. LOL


Yeah but for how long are they gone? Until you stop using the engine restore? Was it the b12 flush that cured it or the engine restore?

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#3329785 - 03/31/14 10:18 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
JHZR2 Offline



Registered: 12/14/02
Posts: 33791
Loc: New Jersey
Originally Posted By: Cleft_Asunder
Originally Posted By: demarpaint
Originally Posted By: JHZR2
I had no smoke, no drips, just lots of consumption on the highway... Did B-12 chemtool flush after other options didnt help. Added restore after that on a whim because lots of reports indicated it quiets lifter ticks. Both the tick and the consumption are gone!


Be careful speaking positively about Restore, it could get you in trouble around here. LOL


Yeah but for how long are they gone? Until you stop using the engine restore? Was it the b12 flush that cured it or the engine restore?


I cant say for sure. I wasnt intending to do a scientific study, just some last-ditch efforts after trying a few other things. Next step would be to live with it or to shell out money.

In all practicality, given that one item is like $3 (for a full bottle that you only use half of), and the other is maybe $10, I really dont care all that much, because application of both is so darn cheap. When I change out my oil and dont put anything in, then if/when I see changes, it may be telling...

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#3329961 - 04/01/14 06:40 AM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
Cujet Offline


Registered: 02/15/03
Posts: 4210
Loc: Jupiter, Florida
Once again,

No common solvent dissolves hard carbon. Not Marvel Mystery Oil, not Berrymans, Not Carb Clean, not Seafoam, nothing.

Only chemicals that contain methylene chloride or other caustics will soften or dissolve hard carbon. Such as paint stripper, oven cleaner, paint gun cleaner and so on. Ever wonder why blocks and heads are cleaned with a "hot tank" caustic process? Placing them in a typical parts washer won't remove the carbon, regardless of how long you let them sit.


I have had success with higher viscosity synthetics in cars that consume too much oil.
_________________________
Turbo's rule.

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#3330449 - 04/01/14 03:11 PM Re: How do I clean the piston oil rings? [Re: Cujet]
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
Originally Posted By: Cujet
Once again,

No common solvent dissolves hard carbon. Not Marvel Mystery Oil, not Berrymans, Not Carb Clean, not Seafoam, nothing.

Only chemicals that contain methylene chloride or other caustics will soften or dissolve hard carbon. Such as paint stripper, oven cleaner, paint gun cleaner and so on. Ever wonder why blocks and heads are cleaned with a "hot tank" caustic process? Placing them in a typical parts washer won't remove the carbon, regardless of how long you let them sit.


I have had success with higher viscosity synthetics in cars that consume too much oil.


Can I put any of those through the spark plug holes before an oil change and let it soak, or can I mess something up?

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#3330516 - 04/01/14 04:05 PM Re: How do I clean the piston oil rings? [Re: Cujet]
friendly_jacek Offline


Registered: 05/04/03
Posts: 5396
Loc: southeast US
Originally Posted By: Cujet


No common solvent dissolves hard carbon. Not Marvel Mystery Oil, not Berrymans, Not Carb Clean, not Seafoam, nothing.



Yes, but the ring groove deposits are not 100% hard carbon, at least not initially.

There are posts about rerings jobs in Saturns or Corollas after using solvents that showed clean but worn out rings.

Cleaning is doable, but has to be done before the rings are worn out or lose their tension.

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#3330643 - 04/01/14 07:07 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
Gokhan Offline


Registered: 12/29/10
Posts: 1564
Loc: Los Angeles, California
Originally Posted By: Cleft_Asunder
Originally Posted By: Gokhan
Originally Posted By: Cleft_Asunder
I just replaced my valve seals and I am still consuming lots of oil.

Are you sure that it was done right? It's not difficult to damage or break these very delicate seals during installation. Also, if they aren't seated properly, they will pop out and then you have no seals.

I had posted this a while ago:

Wonders of valve-stem oil seal replacement

I'm confident I did it right, just the way you described in your DIY, but I will check again soon, just to make sure they haven't come loose. Thanks.

Did you hear the "click" seating sound for all of them when you pushed them down?
_________________________
1985 Toyota Corolla LE, 4A-LC engine, ~ 257,000 M
Toyota (by ExxonMobil) SN/GF-5 0W-20 Synthetic
Toyota 90915-YZZF2 filter, 90430-12031 drain gasket

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#3331406 - 04/02/14 01:22 PM Re: How do I clean the piston oil rings? [Re: Cleft_Asunder]
Cujet Offline


Registered: 02/15/03
Posts: 4210
Loc: Jupiter, Florida
Originally Posted By: Cleft_Asunder
Originally Posted By: Cujet
Once again,

No common solvent dissolves hard carbon. Not Marvel Mystery Oil, not Berrymans, Not Carb Clean, not Seafoam, nothing.

Only chemicals that contain methylene chloride or other caustics will soften or dissolve hard carbon. Such as paint stripper, oven cleaner, paint gun cleaner and so on. Ever wonder why blocks and heads are cleaned with a "hot tank" caustic process? Placing them in a typical parts washer won't remove the carbon, regardless of how long you let them sit.


I have had success with higher viscosity synthetics in cars that consume too much oil.


Can I put any of those through the spark plug holes before an oil change and let it soak, or can I mess something up?


I think what you are asking is if you can use very harsh, often caustic chemicals internally in your engine. Absolutely not! While the piston, valves and rings won't likely be affected by them, seals, gaskets, plastics, composites and rubber parts will be destroyed by them. Yes, I've used EZ-OFF engine cleaner to clean intake manifold ports and intake valves. But, only with the valve closed, done carefully-one at a time, and the metal intake manifold sitting in the driveway smile

Today, I'd never do such a thing. I prefer to use synthetic oil to prevent or reduce the risk of carbon buildup on rings and valves. My suggestion stands: Try a higher viscosity, quality synthetic oil. Possibly high mileage Mobil 1, 10W-40. It's use will help clean and keep clean engine internals.
_________________________
Turbo's rule.

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#3333535 - 04/04/14 06:46 PM Re: How do I clean the piston oil rings? [Re: Cujet]
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
Originally Posted By: Cujet
Originally Posted By: Cleft_Asunder
Originally Posted By: Cujet
Once again,

No common solvent dissolves hard carbon. Not Marvel Mystery Oil, not Berrymans, Not Carb Clean, not Seafoam, nothing.

Only chemicals that contain methylene chloride or other caustics will soften or dissolve hard carbon. Such as paint stripper, oven cleaner, paint gun cleaner and so on. Ever wonder why blocks and heads are cleaned with a "hot tank" caustic process? Placing them in a typical parts washer won't remove the carbon, regardless of how long you let them sit.


I have had success with higher viscosity synthetics in cars that consume too much oil.


Can I put any of those through the spark plug holes before an oil change and let it soak, or can I mess something up?


I think what you are asking is if you can use very harsh, often caustic chemicals internally in your engine. Absolutely not! While the piston, valves and rings won't likely be affected by them, seals, gaskets, plastics, composites and rubber parts will be destroyed by them. Yes, I've used EZ-OFF engine cleaner to clean intake manifold ports and intake valves. But, only with the valve closed, done carefully-one at a time, and the metal intake manifold sitting in the driveway smile

Today, I'd never do such a thing. I prefer to use synthetic oil to prevent or reduce the risk of carbon buildup on rings and valves. My suggestion stands: Try a higher viscosity, quality synthetic oil. Possibly high mileage Mobil 1, 10W-40. It's use will help clean and keep clean engine internals.


Why such a high viscosity? Because it is less likely to seep through the rings? I was thinking about increasing my viscosity to 5w-40 at first, but your suggestion sounds better since I would burn less oil in the winter too. I think I will continue using valvoline high mileage synthetic blend, plus adding some LC20 in there.


Edited by Cleft_Asunder (04/04/14 06:48 PM)

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#3333539 - 04/04/14 06:51 PM Re: How do I clean the piston oil rings? [Re: Gokhan]
Cleft_Asunder Offline


Registered: 12/30/08
Posts: 28
Loc: Reno, NV
Originally Posted By: Gokhan
Originally Posted By: Cleft_Asunder
Originally Posted By: Gokhan
Originally Posted By: Cleft_Asunder
I just replaced my valve seals and I am still consuming lots of oil.

Are you sure that it was done right? It's not difficult to damage or break these very delicate seals during installation. Also, if they aren't seated properly, they will pop out and then you have no seals.

I had posted this a while ago:

Wonders of valve-stem oil seal replacement

I'm confident I did it right, just the way you described in your DIY, but I will check again soon, just to make sure they haven't come loose. Thanks.

Did you hear the "click" seating sound for all of them when you pushed them down?


Yes I did hear it each time. The valve job is a PITA with that OEM tool we both used. I would never recommend anyone use it, and to instead find a tool that actually compresses the spring without it wanting to fly out in my face, which it did.

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