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My uncle stopped driving a few months ago and he wants to give me his 1999 Chevrolet Impala that has 150,000 miles. The car runs fine but when I took the Oil Cap off I noticed there was Sludge in the Valvetrain, it is black in color.

Is there any product out there that will clean this Sludge up, any recommendations would be appreciated.
Original Post
Hi Rickey, you may be able to clean whilst you drive by changing the oil to a good quality diesel engine oil and complete two or three short (500 miles) oil changes, as Uncle has decided he can't be bothered fighting the traffic he most likely didn't feel he needed service as much so this most likely degraded oil and short running sludge, this is big motor so always warm up and don't use heavy throttle unless the water temp is up to normal when driving , change the oil filter every time you oil change the engine, regards
Rob S
quote:
Originally posted by Rickey: TurboJim, this auto-rx product costs $27.97 a bottle and it says that I would need 2 bottles of auto-rx which would be about $56.00

It also says to use a 3 ounce Maintenance Dose after the Clean and Rinse Phases are over, since a bottle of auto-rx is 12 ounces that means a bottle of auto-rx would be good for about 4 oil changes, that comes out to $7.00 an oil change. Why is this product so expensive and have you used this product with success in removing sludge from your engine. Can you tell us how you heard about this auto-rx product.

I visited there website and it seems like nobody is really posting on the forum they have on there website.

You are saying that auto-rx is a product that is worth consideration, but is it worth using.


Why is this product so expensive? It's my understanding that esters are costly, and that is primarily the make up of this product. Auto-Rx has changed their formula, or blend if you will, addressing some of the limitations it had in the past. The pour point is lower and ARX is now compatible with synthetic oil. The new formula should work quicker than it had it the past.

You are correct there is very little traffic on their forum these days.

I found out about ARX several years ago when I was searching for a product that would stop oil leaks. I have seen ARX fill up an oil filter with sludge that I didn't otherwise know I had in the engine. Other products might be capable of doing this as well, I've not tested them all.

I have little experience with the new ARX product and the old product is no longer available. I understand your reluctance to spend so much on a product you had never heard of before. If it were me I'd probably buy a single bottle, if I saw results then perhaps more later on.

Regardless of how you decide to procede to remove the sludge in your engine you should service the PCV system. One that is not functioning properly can be the cause of your problem.
Satisfied Auto-Rx Tech Support User's Comments
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Rich:



Thank you for the comprehensive and excellent report. Youre, obviously, more capable (by a long shot), than a customer service rep. !!! I really enjoyed your descriptive analysis.



I have used Auto-RX in all my vehicles. Your instructions are easy and your treatment is potent. Except for my Chrysler V8 engine, my vehicles are all over 200,000 miles. (one is 276,000). I have used Auto-RX on all of them, then after that final rinse phase, used Amsoil. They all run fine and I am sold on the efficacy of your product. I have a friend that has a 2000 Subaru with a transmission issue. After being told he needs to replace it, I ran Auto-RX in it, drained it afer 4000 miles, then put fresh tranny oil in it and that was last summer. It no longer sticks (one of the valves were sticking). Hes running fine today on that transmission.



You can be proud of your product. This user is convinced that the chemistry works well and increases the life of the object it is applied to, whether it be a tranny or an engine.



Ron
Auto-Rx works the price is $19.97 FOB Jacksonville Fl however on our web site we have included shipping-packaging -handling. We have been in business for 12 years and have a good reputation fro removing contaminants including sludge safely because we liquify these contaminants and use the host oil to capture them in the filter there are no particulates to stop up a piston port or oil screen.
quote:
Originally posted by inHaliburton:
quote:


Any proof of that?


Any proof that it doesn't?


A one and done poster is all the proof needed. Do *you* have any proof it does what he claims?

You do know that ancedotes are not the plural of data. right?

You do know that the burden of proof lies with the one making the claim, right?
quote:
Originally posted by RobertC:
While a "one and done" is certainly to be looked at with discretion, you do make the point that anecdotes are not data.

So, glowing endorsements aside, what data is available for ANY cleaner beyond a simple visual evaluation?


Now that I've thought about it for awhile, I'm not really sure. Unless you tear the engine down, just looking under the valve covers isn't enough.

Dropping the pan would tell you more I would think. But there would still be areas you couldn't see....

I think that abnormal oil pressure would be a clue. Lower than usual, low oil light triggered.

I've heard that MMO lowers TBN, and can drop the oil a grade if added to replace 25% of the oil. (From their own forums.

I'd rather just use quality oil like M1 0w-40.

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