Additive for oil consumption - Toyota 1AR-FE

JZiggy said:
Sorry, didn't have time to do a compression check.

Ran the EPR cleaner today. Added to cold sump of old oil, warmup took about 12 minutes. Ran at 1200rpm for 10min exactly. Gave it a nice long time to drain. Changed filter and filled back up with Rotella T5 15W-40.

When idling after the 10min run there was noticeable but light white smoke from the tailpipe. It also deposited a little bit of crud on the ground.

I'll be monitoring the consumption much more closely at this point.

Fortunately I also found 6 jugs of Havoline 5W-30 or something at Walmart today for $11 a jug so if I have to burn through some more for a while it won't be so pricey ;)
Click to expand...
You should have added the EPR to a fully warm engine. Not cold.
The chemicals need heat to clean the internals properly.
 
nicholas said:
You should have added the EPR to a fully warm engine. Not cold.
The chemicals need heat to clean the internals properly.
Click to expand...

I just followed the directions on the can.

It got plenty of time in warm oil as well.
 
JZiggy said:
I just followed the directions on the can.

It got plenty of time in warm oil as well.
Click to expand...
Interesting....a few years ago when I used it it stated to add to a fully warmed up engine.

I did 2 treatments on a oil drinking audi once.
It was effective.
 
nicholas said:
Interesting....a few years ago when I used it it stated to add to a fully warmed up engine.

I did 2 treatments on a oil drinking audi once.
It was effective.
Click to expand...

Glad to hear it! Fingers crossed here.

They way I figure it the cocktail of solvents may have a variety of temperatures at which they readily vaporize. When cold some will stick around longer and wet out the errant surfaces.

The solvent smell was very noticeable when running, in the old oil, and pretty much everywhere until I cleaned everything up. Kind of an evil coconut fragrance?
 
JZiggy said:
Glad to hear it! Fingers crossed here.

They way I figure it the cocktail of solvents may have a variety of temperatures at which they readily vaporize. When cold some will stick around longer and wet out the errant surfaces.

The solvent smell was very noticeable when running, in the old oil, and pretty much everywhere until I cleaned everything up. Kind of an evil coconut fragrance?
Click to expand...
Oh ya
It's some nasty stuff.

Great for cleaning though.
 
As mentioned, try the piston soak to free up the rings. Also, use a high detergent oil and frequent oil changes. But after that if still not satisfactory then the pistons/rings may need to be replaced. Before doing that, the cylinder bores need to be inspected with a scope. If the bores are damaged the short block should be replaced. This video below shows a similar Toyota engine with the oil consumption issue. The Toyota master mechanic shows the short block replacement procedure.

 
Well I got industrious and changed out the valve cover gasket and spark plug seals. It was seeping a bit at the back but not too bad. The valve train certainly looks like it is used to fresh oil.

IMG_9850.JPG


IMG_9851.JPG
 
Here's some more data (albeit quite discouraging):

Since the flush I have been monitoring the oil consumption more carefully. We had a couple of road trips which helped rack up the miles more quickly. In the last 3000 miles it has consumed 7 quarts of oil - so the rate is pretty steady at 400 mi/qt

Next up is a piston soak. Hopefully can execute on that in the next couple of months.

This is about the highest rate of oil consumption I can tolerate. If I have to start adding oil BETWEEN fillups then I need to get out of this vehicle or rebuild the motor (which I might do since the rest of the vehicle is excellent).
 
JZiggy said:
Here's some more data (albeit quite discouraging):

Since the flush I have been monitoring the oil consumption more carefully. We had a couple of road trips which helped rack up the miles more quickly. In the last 3000 miles it has consumed 7 quarts of oil - so the rate is pretty steady at 400 mi/qt

Next up is a piston soak. Hopefully can execute on that in the next couple of months.

This is about the highest rate of oil consumption I can tolerate. If I have to start adding oil BETWEEN fillups then I need to get out of this vehicle or rebuild the motor (which I might do since the rest of the vehicle is excellent).
Click to expand...
Have you considered doing the piston soak and HPL treatment that @michaelluscher did that reduced his consumption?
 
I can't find the HPL treatment for sale anywhere.

Yes, I plan to do a piston soak with Chemtool and some Kroil.
 
JZiggy said:
I can't find the HPL treatment for sale anywhere.

Yes, I plan to do a piston soak with Chemtool and some Kroil.
Click to expand...
You buy it from here:
www.advlubrication.com

Engine Cleaner

HPL Engine Cleaner is designed for those who wish to clean deposits in their engines left behind from commodity type lubricants that are designed to “meet the spec.” Engine Cleaner is specially formulated and fortified with detergents and dispersants providing safe cleaning in the engine. When...
www.advlubrication.com
 
OVERKILL said:
You buy it from here:
www.advlubrication.com

Engine Cleaner

HPL Engine Cleaner is designed for those who wish to clean deposits in their engines left behind from commodity type lubricants that are designed to “meet the spec.” Engine Cleaner is specially formulated and fortified with detergents and dispersants providing safe cleaning in the engine. When...
www.advlubrication.com
Click to expand...

Thanks. How would I plan to use this? Replace a quart with this stuff and just keep driving for a while to let it clean?
 

Rotation of piston rings

Piston rings lead a much more active life than might be thought. While we usually imagine that they only reciprocate in a motion defined by the piston, they also rotate during service. Such rotation has been the subject of many experiments and studies over the years, but this is not simply a...
www.highpowermedia.com

Most likely, the oil control rings are either stuck and/or have rotated. With this level of consumption, it is unlikely for any additive to make a meaningful difference.
 
The Critic said:

Rotation of piston rings

Piston rings lead a much more active life than might be thought. While we usually imagine that they only reciprocate in a motion defined by the piston, they also rotate during service. Such rotation has been the subject of many experiments and studies over the years, but this is not simply a...
www.highpowermedia.com

Most likely, the oil control rings are either stuck and/or have rotated. With this level of consumption, it is unlikely for any additive to make a meaningful difference.
Click to expand...
Rislone High Kilometre Engine Treatment has reduced my oil consumption fwiw.
 
The Critic said:

Rotation of piston rings

Piston rings lead a much more active life than might be thought. While we usually imagine that they only reciprocate in a motion defined by the piston, they also rotate during service. Such rotation has been the subject of many experiments and studies over the years, but this is not simply a...
www.highpowermedia.com

Most likely, the oil control rings are either stuck and/or have rotated. With this level of consumption, it is unlikely for any additive to make a meaningful difference.
Click to expand...

Thanks for the input. I am indeed checking into the feasibility of having new pistons/rings installed, leaving everything else alone as much as that is possible.
 
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