Amsoil Sludging

I have a Dodge ram with a V10 with 85,000 miles, which have a known head cracking issues. I am currently having the heads replaced with repaired /rebuilt heads due to coolant usage. I stopped in to check on it and the showed me a ton of sludge in both the top of the heads as well as in the valley. I have run Amsoil for the past 4-6 years about 40,000 miles worth. I am sure that coolant has been getting into the oil which is most likely cause of the sludge, what is weird is that the oil never got creamy like you would think it would.
I kind of think this it is due to the base oil Amsoil which is a very good base oil but I believe tends to absorb water easily but I am unsure. I most likely will give the tech support a call tomorrow

So any Amsoil experts feel free to chime in
 

Polarice

New member
I was told that there are some vehicles from Dodge that cannot use Amsoil to the fullest potential. In other words, if it says you can go 30,000 for an oil change you can only do 10,000 on a Dodge or sludge occurs. Same with Toyota vehicles.
 

eao

Active member
which is most likely cause of the sludge

Most likely? Its 100% certain it's the cause for the sludge.


When coolant contaminates engine oil, high fluid temperature will cause the water portion of the coolant to evaporate, leaving the ethylene glycol portion of the coolant behind. This results in a loss of lubricity of the engine oil product and sludge forming within the engine. Severe cases of coolant contamination or a neglected internal engine coolant leak could lead to complete engine failure.

Using the AMSOIL might have saved your engine from failure.
 
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snoluver1

Active member
What does the coolant look like. It can happen both ways don't ya know. Oil into the coolant or coolant into the oil! Depends on where exactly the leak is and which one is under more presure at that give point. Is there sludge in your overflow tank?
 

polarisrider1

New member
What vehicles from Dodge are they? My dodge truck Hemi gets an amsoil and amsoil filter change every 25,000 miles if it needs it or not. 112,000 miles and no issues.
 

Polarice

New member
What vehicles from Dodge are they? My dodge truck Hemi gets an amsoil and amsoil filter change every 25,000 miles if it needs it or not. 112,000 miles and no issues.

I don't know. I'm going by what my Amsoil dealer told me. He just said Toyota and some Dodge motors.
 

eao

Active member
These are the vehicles with known sludge issue

AFFECTED ENGINES/APPLICATIONS
Make Engine Model
Audi/Volkswagen (1), (2)
1.8L 4cyl Turbo 1997-2004 Audi A4
1998-2004 Volkswagen Passat
8 years/unlimited mileage

Chrysler/Dodge (3)
2.7L V-6 1998-2002 Chrysler Concorde
1998-2002 Chrysler Sebring
1998-2002 Dodge Intrepid
1998-2002 Dodge Stratus
None. Handled on a case-by-case
basis

Toyota (4)
2.2L 4cyl 5S-FE 1997-2001 Toyota Camry
1997-1999 Toyota Celica
1999-2001 Toyota Solara
8 years/unlimited mileage


Lexus/Toyota (4)
3.0L V-6 1MZ-FE 1997-2002 Lexus ES300
1999-2002 Lexus RX300
1997-2002 Toyota Camry
1997-2002 Toyota Avalon
1998-2002 Toyota Sienna
1999-2002 Toyota Solara
2001-2002 Toyota Highlander
8 years/unlimited mileage


Saab (5)
2.0L 4cyl Turbo
2.3L 4cyl Turbo
2000-2002 9-3
2000-2003 9-3 Convertible
1999-2003 9-5
1999-2002 9-3 Viggen
8 years/unlimited mileage

Sources:
(1) Audi of America, Inc. Warranty Extension Letter
(2) Volkswagen of America, Inc. Warranty Extension Letter
(3) ConsumerReports.org
(4) Toyota Motor Sales, USA Inc., Customer Support Program Letter
(5) Saab Cars USA, Inc. Special Warranty Coverage Letter
 
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