I get a tiny amount of foam, but good Lord that's a lot... It looks like you're making bread in your engine.

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<b>Brenden Gibson</b>

<b>2004 VW R32</b>
I know, it's not a Jeep... but I'm still showing the L.O.S.T. love!

I've seen about 1/2 of that amount in my own motor. My trip to work is 6 miles (on the higway) the golf course is 1.2 miles away and the store is less than 1 mile away... Clean as much of that off as possible, change the oil and put in synthetic and see what happens.

I'd imagine that there is much more of that under your valve covers too.

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02 Liberty Limited
Silver Outside & Taupe Inside
Heated Seats, Sunroof & Infinity speakers
USA Spec I-Pod adaptor, Mopar Sub, Garmin GPS
Tow Package, Select-Trac
Rock Rails, Tow Hooks

I just changed out Amsoil oil out and mine looked close to that after 12000 miles and 9 months.

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Will
05 Limited 4x4 Franky II Al's A-arms Black Moabs with MTR's Remote Start SOLD
06 TJ Rubicon Built
06 Dodge 2500 Diesel - Tow Pig
89 Wrangler not much left stock on it

This is after 640 miles of driving.

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LostRenegade - Lost # 477
2003 Jeep Liberty Renegade - Silver
Mopar Skids, Skid Row Tranny Skid, Boulder Bars, Frankenlift II, 60" Hi-Lift Jack, K&N 6x9 Air Filter, Magnaflow, Dertoit Locker, 245/75R16 BF Goodrich All Terrains, Al's A-Arms

I currently have AMSOIL in there. Should I continue with AMSOIL or use something else?

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LostRenegade - Lost # 477
2003 Jeep Liberty Renegade - Silver
Mopar Skids, Skid Row Tranny Skid, Boulder Bars, Frankenlift II, 60" Hi-Lift Jack, K&N 6x9 Air Filter, Magnaflow, Dertoit Locker, 245/75R16 BF Goodrich All Terrains, Al's A-Arms

People have see the same thing with all types of oils. Funny thing is my daily round trip commute is about 17 miles total and since switching To Amsoil I have not seen that. Prior to Amsoil in my blue KJ I ran Mobil 1 for a few oil changes and Did see it. I'm not sure I would blame the oil for it though, I'm thinking there must be another cause that we need to figure out.

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99 TJ
71 C101
04 KJ
03 SFA KJ Sport
LOST JEEPS So-Cal

Remember not to over fill your oil either. Too much oil is actually worse than too little sometimes. Too much oil will cause it to foam inside the crankcase = almost no lubrication on the pistons and rods = destroyed engine.

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2002 Liberty Limited
2.5" Rusty's Coil Lift + OME 927 springs + 1/4" spacers
265x70 Revos
Warn 4x Floods
ARB bumper
TeraFlex extended front bumpstops
Rock Lizard Skink Super Sliders
Bosch Size 86 battery
Jeepin by Al's 4.5 UC Arms
Kryptonite Differential Cover
JBA Bolt on KJ Tri-Angulated 4 Link

Update: I checked all my vehicles last night just to make sure and all are fine. My blue KJ is my daily driver and even so only has about 39K miles on it. My daily commute is short and i average about 100 miles a week. No funky residue to be found.

My wifes KJ has around 11K miles on it and most of that is from trips to Moab, the Rubicon and AZ and to trail heads around here. Very little of those miles are commuting miles. It was switched to Amsoil just prior to our trip to Moab last year in March after buying it and it still has the same oil in it. It had 4700 miles or so on it when it was changed. there are No signs of the goop in the oil filler or cap.

The also checked our 05 Scion XB (Toaster), bought new in mid 04, and has had Amsoil in it since around 7,000 miles (first couple changes were free from dealer) and it now has about 27k on it. It is used the most for running around town on short trips, etc. and it shows No signs of oil goop.


I agree on the above about overfilling. Not sure if that is what is causing the problem as I doubt that many have overfilled and I know that wasn't the problem w/ mine when it did that w/ Mobil 1. BTW, I certainly am not blaming Mobil 1, just noting that I had the problem early on when using it and don't have it now.

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99 TJ
71 C101
04 KJ
03 SFA KJ Sport
LOST JEEPS So-Cal

My KJ is my daily driver and has about 94K on it. I am going to do an oil change on it and see how it progresses...

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LostRenegade - Lost # 477
2003 Jeep Liberty Renegade - Silver
Mopar Skids, Skid Row Tranny Skid, Boulder Bars, Frankenlift II, 60" Hi-Lift Jack, K&N 6x9 Air Filter, Magnaflow, Dertoit Locker, 245/75R16 BF Goodrich All Terrains, Al's A-Arms

JJ you also live in desert, so that could have something to do with in. Out here in Ohio and Michigan it is substantially more humid and alot wetter. We often go a whole weeks where it never really stops raining. Roads remain wet and the sun doesnt come out.

I wonder if climate has a lot to do with it. For example, I've never seen it happen to my Jeep in New Mexico, even with lots of short trips. Here in Ohio it happens alot, especially if I do alot of short trips.

I've had it just as bad as depicted and my engine is still running strong.

good lord! what kind of oil you running?
Did you accidently drop a candy bar in the engine block last time you did some work on the Libby?

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Rock On

Newman from CT
04 Liberty 3.7L 67k Miles Front\Rear Tow Hooks OEM Skid Plates Hella 500's Cobra 75 CB with 4' Firestick BFG 245/70/R16
Rock Rails by Ratmloud
Frankenlift
Al's Upper A-Arms
L.O.S.T. KJ Northeast# 023050
My First 4x4 Jeep Vehicle

I was once told by a Toyota mechanic that you'll get that condensation goop with all engines. What makes it more noticeable on a KJ is that the filler cap is not located directly on the engine. It it were on the engine the movement of nearby fluids/oil would keep the cap looking cleaner.

He also thought there was a TSB on this. The fix was to put in some kind of damper that would allow you to pour oil in, but not allow the reverse flow of vapors up to your oil cap. In actuality, this would only hide the goop from you or keep it from collecting on the oil cap.

Maybe this advice should be taken with a grain of salt since my friend is a Toyota mechanic and doesn't work on many Jeeps. Still, the explanation makes since, especially if you've ever seen what the vapors from a fast food fryer will do to the vents above it.

I'd clean and keep an eye on it, I wouldn't think you'd have a lot over build up over one or two short drives. I would think it would take some time for the film to build back up.

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'02 KJ Limited 4x4, trac-loc, factory skids, self installed rear hitch, trailer breaks, & trans-cooler, custom crossrails/canoe rack.

I am sure it has to do with where you live. High Humidity in the air and short trips is what does it. The condensation in the oil doesnt have time to burn off..

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LOST KJ'S
Where are you going???
Current Jeep: 2004 Jeep Liberty
-Atlantic Blue
-Air Ride Rear Suspension ; OME/Rustys Lift ; Powertrax Locker ; Moog Lower Ball-Joints ; 245/70/16 Yokohama Geolander A/T-S's on MOABS ; Flowmaster 50 SUV
Lost #007082
http://www.cardomain.com/id/jeepjeepster

I really don't know if has anything to do with where you live, I bought my KJ in southern GA and started it off on Mobile one and noticed a little goop then,moved to San Diego and change it over to Amsoil after being in SD for 3 months and it was still their when I changed over then I moved to Southern VA and changed it after 9 months and 12000 miles and it was there, I went back to Mobile one this time just cause I didn't plan properly to get Amsoil here, I will go back in 4000 to amsoil.

I think that it may have something more to do with overfilling it, I have always noticed mine sits just above the full line on the dipstick.

Either that or maybe it has to do with the Air intake?? I had the K&N Aircharger in mine. Probably not but I changed mine out anyways.

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Will
05 Limited 4x4 Franky II Al's A-arms Black Moabs with MTR's Remote Start SOLD
06 TJ Rubicon Built
06 Dodge 2500 Diesel - Tow Pig
89 Wrangler not much left stock on it

I had cleaned it out real good and then drove to Pittsburgh and back, about 640 miles round trip and then took the pictures. So that build up didn't take to long.

I just drained the AMSOIL and put in a new filter with some fresh cheap oil. I put some additive in also to help with sludge build up. I'm goinig to keep an eye on it over the next couple of weeks and probably change it again real soon to help clean it out.

From the sounds of it, it seems pretty common from all the responses. I'm just afraid that I might have a cracked head or bad head gasket and leaking some antifreeze.

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LostRenegade - Lost # 477
2003 Jeep Liberty Renegade - Silver
Mopar Skids, Skid Row Tranny Skid, Boulder Bars, Frankenlift II, 60" Hi-Lift Jack, K&N 6x9 Air Filter, Magnaflow, Dertoit Locker, 245/75R16 BF Goodrich All Terrains, Al's A-Arms

The only way you could have a failed HG is if the engine really overheated or the gaskets were bad from the start. If you were loosing coolant into the block the coolant level would also be going down + all of the oil would have that milky substance.

Keeping an eye on the filler neck is probably the best maintainence. I am pretty sure that most of the condinsation forms in that area since the filler neck is the highest point in the engine. And since most of the condinstation is a vapor in the crank case - it rises into the filler neck and then cools back to a liquid state on the cooler plastic parts. ???

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02 Liberty Limited
Silver Outside & Taupe Inside
Heated Seats, Sunroof & Infinity speakers
USA Spec I-Pod adaptor, Mopar Sub, Garmin GPS
Tow Package, Select-Trac
Rock Rails, Tow Hooks

If it sets your mind at ease, I had the same problem on a VW, an air-cooled beetle. I was young and learned quickly that when Dad says "here, I have 3 cases of Quaker State" to just say NO.

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2005 Liberty Sport CRD, Lt Khaki, sunroof

Thankful to now be an EX-CRD owner.

Changed my oil today and my fill neck and cap were as clean as could be. Its been 5months and 3k miles since I changed it last.

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LOST KJ'S
Where are you going???
Current Jeep: 2004 Jeep Liberty
-Atlantic Blue
-Air Ride Rear Suspension ; OME/Rustys Lift ; Powertrax Locker ; Moog Lower Ball-Joints ; 245/70/16 Yokohama Geolander A/T-S's on MOABS ; Flowmaster 50 SUV
Lost #007082
http://www.cardomain.com/id/jeepjeepster

Hey LostRenegade

I had the same thing happen as you, I replaced the PCV valve and it stopped. The crap clogged the PCV valve. YOu might want to try that.

As a Ravens fan, I had to chuckle a little bit at this quote...

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2002 Jeep Liberty Renegade
3.7L V6 4x4, 5-speed manual
*Draw-tite class IV hitch
*Mopar rock rails
*Clear turn signals
*Mopar mud flaps
*Husky cargo liner
*'Trial Rated' and 'Renegade' emblems
*Bazooka 200 watt subwoofer