Auto-Rx Customers Questions & Answers

Richone · Richone

Comments I am about 500 miles away from finishing the cleaning phase, and just realized that I only added one bottle of Auto RX to 7 quarts of oil in my truck. So I was just curious if I could add the right amount of Auto RX once this cleaning phase is over instead of running 3,000 miles for the rinse phase. P...

geeaea · geeaea

I figured I'd share this issue that one customer encountered. I've gone about 300 miles since I started the cleaning cycle on my Mazda 626 2.5 liter engine with 115000 miles. It now sounds like the engine is crushing rocks so badly it worries me. Is this normal? What should I do? Odd noises is not an unco...

waymay1305 · waymay1305

I'm currently in my rinse phase. Should i do a second treatment for a vehicle that only has 23k miles but has a long history of sludge issues (Toyota)? Would a second application be overkill? Should I do a yearly clean and rinse? Thanks.

theprodigy001 · theprodigy001

hello, i started a basic phase but i got so busy that i did not change oil or filter for over 5000 miles.ever since i had it in there it has been great.i noticed when i finally had time and remebered i had a-rx in there i changed it.and when i did change it i noticed my oil pressure dropped to almost nothing aft...

RichG · RichG

I am getting a set of used cams for my engine. I currently run Auto-Rx maintenance dose every oil change (3-4k w/ Motorcraft semi-synthetic). When I changed my oil on Saturday I peered in my oil filler cap to see what my cams looked like. Mine look pretty damn shiny. The cams I am looking at purchasing...

Frank Miller · Frank Miller

"A Clean Engine is a Healthy Engine!" July 2010KEEPIN' IT CLEAN WITH AUTO-RX®Get the Most from Your Vehicle for Summer Travel A long drive time is the best time to clean the engine! Planning a long trip this summer? Since Auto-Rx® works while you drive, why not use your long drive time to cle...

bigpav7 · bigpav7

2003 Durango here with a 4.7. Started the truck on Auto-Rx a few months ago to deal with early morning motor chatter and slight ticking. I am now 150 miles into the rinse phase. The chatter is still there on certain mornings but the tick seems to quieted down quite a bit. Well, last night, after the truck s...

mrclam · mrclam

5/28/10 Hi everyone, I'm new here. I've been reading a lot about ARX, and have decided to try it out for myself. I recently picked up a 97 M3 with 140k miles that has a persistent oil burning issue(1qt every 400-500 miles). On startup, the car will often let out a puff of smoke. On WOT, the car produces blac...

HUNLEYDF · HUNLEYDF

I have some bad yellowish sludge. I change the oil and within 300 miles the sludge is there. Since Feb 2009, I have been changing my oil every 3000 miles with full syn oil. Before Feb 2009 I had my truck in storage (from July 06 until Feb 09) while I was deployed. I never noticed this sludge before. Th...

Frank Miller · Frank Miller

I did not receive your previous email. However I read this one loud and clear. I dont like the sound of the wrist pin/piston slap diagnosis as this is a mechanical condition that cannot be corrected by cleaning. However this may not be the case at all. And it may not be a serious sludging issue either. It...

scobe · scobe

I have a VW Passat 1.8 Turbo. According to my haynes manual the engine holds 3.5 litres of oil. About the same in US quarts I think? I am about to start the heavy sludge application. Can I tip the whole 12oz bottle in? Or is that too much? Also, will there be any problems running the heavy sludge application...

Frank Miller · Frank Miller

Dear Glad to hear that you oil consumption has decreased to a more acceptable level. With respect to you next oil change, there is nothing wrong with running the group III oil. I assume that you are likely to run a longer oil change interval with the group III. May I suggest running the 3 fluid ounce tota...

geeaea · geeaea

There are a number of questions posed by Amsoil users in regard to Auto-Rx in diesels. While not preferred, you can add Auto-Rx to the last 3000 miles of your existing PAO sump. The di-ester components required in a PAO will slow things down a bit, but the 3000 miles envelope is usually adequate. Pr...

Frank Miller · Frank Miller

Dear John,Based on your maintenance history of 5000 mile oil changes with Mobil 1, full synthetic you may not have a very dirty motor at all. Most folks that develop sludge run extensive oil change intervals, such as 15,000 miles on synthetic, or 7500 miles on a conventional oil. Of coarse there are ot...

Frank Miller · Frank Miller

Dear David,Your low oil pressure warning light can come on for a variety of reasons. One being a high level of sludge like deposits blocking the oil pick up screen. It could also be that the oil sending unit sensor that triggers the warning light is faulty or dirty giving a false read. If you are no longe...

Frank Miller · Frank Miller

Dear AIn a nut shell, Auto-Rx works best in both parts of the application, cleaning and rinse, with a conventional or group III oil. Once you get to full synthetic oils, called group IV, the oil contains a high level of esters for coupling in the additives to the PAO base. It is desireable for Auto-Rx to b...

Frank Miller · Frank Miller

I am sorry to hear of you sludging issues with your Passat. The 1.8 liter motor is one of few that tend to blind the pick up screen. I would say that the person looking at your car has offered some good advise. If the flow of oil is already restricted, then the pan should be dropped and cleaned as well as the pi...

Frank Miller · Frank Miller

John,Yes the oil galleries and piston ports are quite small. However what pieces of filter that may still be in your motor will likely get caught by a good filter. Auto-Rx will not dissolve filter element material. But it will most surely dissolve any oxidized oil deposits safely within the motor. Ho...

Frank Miller · Frank Miller

You certainly may replace the Auto-Rx if you are burning oil at an astronomical rate, such as a quart every 700 miles. However, it is not normally necessary. For example many times oil burning occurs from the oil control and intermediate piston rings getting coked up and somewhat welded together. At...

grandv8 · grandv8

I am looking at auto rx'ing a tractor. Its a small kubota diesel non turbo charged. It has no problems and runs good. The hours are 260 but the tractor is 20 years old..... I dont suspect on putting lots of hours on the tractor so what would be a good run of hours to use for clean and rinse phase. Also on bitogf...

Frank Miller · Frank Miller

T,To be quite honest, pan removal might not be a bad idea, based on your limited description. In order for Auto-Rx to work, oil must be able to circulate throughout the oiling system in your Nissan V-6. There must be at least decent passage for oil to circulate to your crank journals and bearings. Ther...

SonnyBoy · SonnyBoy

Have a Nissan Pathinder LE with 87000 miles. Have some sort of drip which ends up on the skidplate. Otherwise, I really have no problems with the engine. I am the 2nd owner of this vehicle purchased with roughly 36000 mi in '04. Started treatment today. Used cheapest conventional oil I could fin...

bigpav7 · bigpav7

hey all, So I am almost done with the cleaning stage, using Valvoline conventional. I plan on doing an oil change next weekend and want to use a synthetic for the rinse stage (just because I take lots of small trips and would rather have that extra degree of protection). Can I use Pennzoil Ultra or only...

Frank Miller · Frank Miller

I own a Skoda Octavia with a 1.6 liter 75 kW engine. I didn't use anything except 0w-40 Mobile1 oil and I changed it every 30 000 km since it fulfills VW503.01 long-life oil standard. I bought it with 46000 km on the clock and didn't experience any problems with oil burning until I reached approximately 8...

tharder · tharder

I have a 2001 GMC Savanna Conversion Van. 5.7 liter engine. It has 116,000 miles on it. I've used Rotella T-6 Synthetic (Group III) oil for the last 50k miles. 5W-40. Prior to that is was Amsoil or Mobil 1. The filters used were Hastings and then PureONE for the last 50k miles. Average mileage per...

dbdeland · dbdeland

The postings on this forum are the property of Auto-Rx Worldwide, Inc. No content may be copied, used, or distributed without express permission of Auto-Rx Worldwide, Inc. For permission, contact us at auto_rx@bellsouth.net.

Frank Miller · Frank Miller

Dear Francisco,There are different regulations in Europe, when compared to the United States, with regards to what may be labeled as Synthetic Motor oil. In the US group III oils, which are merely more highly refined mineral oil base oils, can be labeled synthetic oil. The further refining provi...

Frank Miller · Frank Miller

Gary,I thought of one other thing that you should check out. As you know oil gets pumped up to the top end of the motor and gets directed towards key frictional components, namely the working guts of the cam and valve assemblies. However the oil must flow back to the oil pan by simple gravity feed down thr...

tiberious · tiberious

Hi, I have a 99 Mercury Cougar 2.5L V6. I have a leak from the front main seal. I ran Auto-Rx treatment in clean phase for 3000 miles. Now I am on the rinse phase for the last month and the leak has gotten much worse. Should this clear up quickly??? Should I switch to a HM oil?? What if I add a seal stop leak...

mike · mike

I have a 1999 Acura CL 2.3 with 135,000 miles on it. It is pretty dirty under the valve cover so I decided to use some Auto-RX. Before I used it i had the O-ring on the distributor replaced as it was starting to leak. My mechanic replaced the o-ring and I drove the car for 2,000 miles with no issues. I then c...

	Sub Forum	Topics	Posts	Last Post
	Blue Smoke	7	81	03:13 PM Mar 29, 2013 by Frank
	Data Storage, Tests, Comparisons	12	15	02:01 PM Dec 14, 2013 by Frank

Topic		Started By	Replies	Views	Last Post
	Auto-Rx Recomendation for faulty filter (Preview) Comments I am about 500 miles away from finishing the cleaning phase, and just realized that I only added one bottle of Auto RX to 7 quarts of oil in my truck. So I was just curious if I could add the right amount of Auto RX once this cleaning phase is over instead of running 3,000 miles for the rinse phase. P...	Richone	0	747	12:39 PM Jul 13, 2010 by Richone
	HLA/lifter noises since I started treatement (Preview) I figured I'd share this issue that one customer encountered. I've gone about 300 miles since I started the cleaning cycle on my Mazda 626 2.5 liter engine with 115000 miles. It now sounds like the engine is crushing rocks so badly it worries me. Is this normal? What should I do? Odd noises is not an unco...	geeaea	0	1141	07:50 AM Jul 13, 2010 by geeaea
	2nd Treatment or Not? (Preview) I'm currently in my rinse phase. Should i do a second treatment for a vehicle that only has 23k miles but has a long history of sludge issues (Toyota)? Would a second application be overkill? Should I do a yearly clean and rinse? Thanks.	waymay1305	5	1514	12:14 PM Jul 12, 2010 by geeaea
	info needed please (Preview) hello, i started a basic phase but i got so busy that i did not change oil or filter for over 5000 miles.ever since i had it in there it has been great.i noticed when i finally had time and remebered i had a-rx in there i changed it.and when i did change it i noticed my oil pressure dropped to almost nothing aft...	theprodigy001	12	2188	11:19 AM Jul 12, 2010 by Richone
	Used cams (Preview) I am getting a set of used cams for my engine. I currently run Auto-Rx maintenance dose every oil change (3-4k w/ Motorcraft semi-synthetic). When I changed my oil on Saturday I peered in my oil filler cap to see what my cams looked like. Mine look pretty damn shiny. The cams I am looking at purchasing...	RichG	3	1279	08:28 AM Jul 9, 2010 by geeaea
	Get Your Vehicle Ready for Summer Travel (Preview) *"A Clean Engine is a Healthy Engine!"* *July 2010KEEPIN' IT CLEAN WITH AUTO-RX®Get the Most from Your Vehicle for Summer Travel* A long drive time is the best time to clean the engine! Planning a long trip this summer? Since Auto-Rx® works while you drive, why not use your long drive time to cle...	Frank Miller	1	1089	09:38 AM Jul 3, 2010 by Frank Miller
	Oil Pressure Light (Preview) 2003 Durango here with a 4.7. Started the truck on Auto-Rx a few months ago to deal with early morning motor chatter and slight ticking. I am now 150 miles into the rinse phase. The chatter is still there on certain mornings but the tick seems to quieted down quite a bit. Well, last night, after the truck s...	bigpav7	4	1187	10:20 PM Jun 23, 2010 by geeaea
	Documenting my experience with auto-rx (Preview) 5/28/10 Hi everyone, I'm new here. I've been reading a lot about ARX, and have decided to try it out for myself. I recently picked up a 97 M3 with 140k miles that has a persistent oil burning issue(1qt every 400-500 miles). On startup, the car will often let out a puff of smoke. On WOT, the car produces blac...	mrclam	9	2176	03:22 AM Jun 23, 2010 by mrclam
	DODGE 4.7 2004 (Preview) I have some bad yellowish sludge. I change the oil and within 300 miles the sludge is there. Since Feb 2009, I have been changing my oil every 3000 miles with full syn oil. Before Feb 2009 I had my truck in storage (from July 06 until Feb 09) while I was deployed. I never noticed this sludge before. Th...	HUNLEYDF	13	3759	10:14 AM Jun 20, 2010 by Frank Miller
	What Auto-Rx Can't Do And Can Do If Used Promptly Perhaps Stopping Metal Damage (Preview) I did not receive your previous email. However I read this one loud and clear. I dont like the sound of the wrist pin/piston slap diagnosis as this is a mechanical condition that cannot be corrected by cleaning. However this may not be the case at all. And it may not be a serious sludging issue either. It...	Frank Miller	0	592	07:33 AM Jun 17, 2010 by Frank Miller
	Can you use too much ARX? (Preview) I have a VW Passat 1.8 Turbo. According to my haynes manual the engine holds 3.5 litres of oil. About the same in US quarts I think? I am about to start the heavy sludge application. Can I tip the whole 12oz bottle in? Or is that too much? Also, will there be any problems running the heavy sludge application...	scobe	9	2880	01:08 PM Jun 15, 2010 by scobe
	Reduction In Oil Burning (Preview) Dear Glad to hear that you oil consumption has decreased to a more acceptable level. With respect to you next oil change, there is nothing wrong with running the group III oil. I assume that you are likely to run a longer oil change interval with the group III. May I suggest running the 3 fluid ounce tota...	Frank Miller	0	665	11:12 AM Jun 11, 2010 by Frank Miller
	Amsoil and Auto-Rx in diesels. (Preview) There are a number of questions posed by Amsoil users in regard to Auto-Rx in diesels. While not preferred, you can add Auto-Rx to the last 3000 miles of your existing PAO sump. The di-ester components required in a PAO will slow things down a bit, but the 3000 miles envelope is usually adequate. Pr...	geeaea	2	1517	10:08 AM Jun 5, 2010 by geeaea
	Mobil 1 & Auto-Rx Good Info (Preview) Dear John,Based on your maintenance history of 5000 mile oil changes with Mobil 1, full synthetic you may not have a very dirty motor at all. Most folks that develop sludge run extensive oil change intervals, such as 15,000 miles on synthetic, or 7500 miles on a conventional oil. Of coarse there are ot...	Frank Miller	3	819	04:24 PM Jun 3, 2010 by ForeverFord
	PASSAT-OIL LIGHT-AUTO-RX (Preview) Dear David,Your low oil pressure warning light can come on for a variety of reasons. One being a high level of sludge like deposits blocking the oil pick up screen. It could also be that the oil sending unit sensor that triggers the warning light is faulty or dirty giving a false read. If you are no longe...	Frank Miller	1	745	10:21 AM Jun 3, 2010 by TurboJim
	Why Not Synthetic ? (Preview) Dear AIn a nut shell, Auto-Rx works best in both parts of the application, cleaning and rinse, with a conventional or group III oil. Once you get to full synthetic oils, called group IV, the oil contains a high level of esters for coupling in the additives to the PAO base. It is desireable for Auto-Rx to b...	Frank Miller	0	651	01:16 PM May 28, 2010 by Frank Miller
	Passat-Sludge-Mechanic-Auto-Rx (Preview) I am sorry to hear of you sludging issues with your Passat. The 1.8 liter motor is one of few that tend to blind the pick up screen. I would say that the person looking at your car has offered some good advise. If the flow of oil is already restricted, then the pan should be dropped and cleaned as well as the pi...	Frank Miller	0	713	10:19 AM May 25, 2010 by Frank Miller
	Oil Galleries And Piston Ports And Oil Filters (Preview) John,Yes the oil galleries and piston ports are quite small. However what pieces of filter that may still be in your motor will likely get caught by a good filter. Auto-Rx will not dissolve filter element material. But it will most surely dissolve any oxidized oil deposits safely within the motor. Ho...	Frank Miller	0	669	08:37 AM May 21, 2010 by Frank Miller
	What Happens When Your Really Burning Oil ? Does The Auto-Rx Burn Also ? (Preview) You certainly may replace the Auto-Rx if you are burning oil at an astronomical rate, such as a quart every 700 miles. However, it is not normally necessary. For example many times oil burning occurs from the oil control and intermediate piston rings getting coked up and somewhat welded together. At...	Frank Miller	0	619	03:00 PM May 18, 2010 by Frank Miller
	Auto Rx in a Tractor need info (Preview) I am looking at auto rx'ing a tractor. Its a small kubota diesel non turbo charged. It has no problems and runs good. The hours are 260 but the tractor is 20 years old..... I dont suspect on putting lots of hours on the tractor so what would be a good run of hours to use for clean and rinse phase. Also on bitogf...	grandv8	7	1290	01:57 PM May 17, 2010 by geeaea
	When Sludge May Have Killed Your Engine. (Preview) T,To be quite honest, pan removal might not be a bad idea, based on your limited description. In order for Auto-Rx to work, oil must be able to circulate throughout the oiling system in your Nissan V-6. There must be at least decent passage for oil to circulate to your crank journals and bearings. Ther...	Frank Miller	0	730	02:40 PM May 12, 2010 by Frank Miller
	Treatment Started - 2001 Nissan Pathfinder LE (Preview) Have a Nissan Pathinder LE with 87000 miles. Have some sort of drip which ends up on the skidplate. Otherwise, I really have no problems with the engine. I am the 2nd owner of this vehicle purchased with roughly 36000 mi in '04. Started treatment today. Used cheapest conventional oil I could fin...	SonnyBoy	4	1535	01:08 PM May 11, 2010 by onthefritz8
	Oil for Rinse stage (Preview) hey all, So I am almost done with the cleaning stage, using Valvoline conventional. I plan on doing an oil change next weekend and want to use a synthetic for the rinse stage (just because I take lots of small trips and would rather have that extra degree of protection). Can I use Pennzoil Ultra or only...	bigpav7	4	1394	02:34 PM May 4, 2010 by johnoh
	Heavy Oil Burning From A European Customer (Read the Oil Results) Using Auto-Rx (Preview) I own a Skoda Octavia with a 1.6 liter 75 kW engine. I didn't use anything except 0w-40 Mobile1 oil and I changed it every 30 000 km since it fulfills VW503.01 long-life oil standard. I bought it with 46000 km on the clock and didn't experience any problems with oil burning until I reached approximately 8...	Frank Miller	1	596	10:06 AM May 3, 2010 by Frank Miller
	Auto-RX started today (Preview) I have a 2001 GMC Savanna Conversion Van. 5.7 liter engine. It has 116,000 miles on it. I've used Rotella T-6 Synthetic (Group III) oil for the last 50k miles. 5W-40. Prior to that is was Amsoil or Mobil 1. The filters used were Hastings and then PureONE for the last 50k miles. Average mileage per...	tharder	10	2603	02:56 PM May 2, 2010 by dbdeland
	AUTO-RX DO NOT COPY POLICY. (Preview) The postings on this forum are the property of Auto-Rx Worldwide, Inc. No content may be copied, used, or distributed without express permission of Auto-Rx Worldwide, Inc. For permission, contact us at auto_rx@bellsouth.net.	dbdeland	0	703	11:49 AM Apr 30, 2010 by dbdeland
	European Oils (Preview) Dear Francisco,There are different regulations in Europe, when compared to the United States, with regards to what may be labeled as Synthetic Motor oil. In the US group III oils, which are merely more highly refined mineral oil base oils, can be labeled synthetic oil. The further refining provi...	Frank Miller	0	583	10:10 AM Apr 30, 2010 by Frank Miller
	Auto-Rx Can Not Clean Where Oil Can Not Flow---- How To Check (Preview) Gary,I thought of one other thing that you should check out. As you know oil gets pumped up to the top end of the motor and gets directed towards key frictional components, namely the working guts of the cam and valve assemblies. However the oil must flow back to the oil pan by simple gravity feed down thr...	Frank Miller	2	719	08:31 PM Apr 29, 2010 by bmwtechguy
	Auto-Rx for a Front Main Seal Leak - Questions? (Preview) Hi, I have a 99 Mercury Cougar 2.5L V6. I have a leak from the front main seal. I ran Auto-Rx treatment in clean phase for 3000 miles. Now I am on the rinse phase for the last month and the leak has gotten much worse. Should this clear up quickly??? Should I switch to a HM oil?? What if I add a seal stop leak...	tiberious	10	2705	12:41 AM Apr 28, 2010 by geeaea
	Distributor really leaking now after RX? ( 1 2 ) (Preview) I have a 1999 Acura CL 2.3 with 135,000 miles on it. It is pretty dirty under the valve cover so I decided to use some Auto-RX. Before I used it i had the O-ring on the distributor replaced as it was starting to leak. My mechanic replaced the o-ring and I drove the car for 2,000 miles with no issues. I then c...	mike	53	5190	08:08 PM Apr 25, 2010 by mike
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