Recent Topics
Consumer reports : Cars not to buy 2015
by R2d2
05/30/15 02:34 AM
Wadcutters
by bobbob
05/30/15 02:05 AM
New Dunlop Sport Bluresponse
by GuillaumeG
05/30/15 01:03 AM
Usefullnes of Max Performance Summer Tire ?
by HTSS_TR
05/30/15 12:41 AM
Kia Sorento rental.... yuckie
by bowlofturtle
05/30/15 12:41 AM
Article on oil pumps.
by tig1
05/29/15 10:15 PM
surveillance flights in mn?
by hansj3
05/29/15 09:49 PM
Oil drain plug design causes a mess.
by Rat407
05/29/15 08:43 PM
College assignment, need survey responses
by ClutchDisc
05/29/15 07:39 PM
Good Battery Life
by ecotourist
05/29/15 06:44 PM
2004 Yamaha V-Star 650, Amsoil 10w30
by ahemsa
05/29/15 06:31 PM
Need To Flush Out Pressure Regulator
by George7941
05/29/15 06:00 PM
Newest Members
Kasakato, KironKid, John_M_J, winterdriver04, djwarner
54156 Registered Users
Who's Online
25 registered (bbhero, bamorris2, 901Memphis, bobbob, AutoCoil, 3 invisible), 497 Guests and 117 Spiders online.
Key: Admin, Global Mod, Mod
Forum Stats
54156 Members
66 Forums
232032 Topics
3720158 Posts

Max Online: 2862 @ 07/07/14 03:10 PM
Donate to BITOG
Page 1 of 2 1 2 >
Topic Options
#3221023 - 12/18/13 08:21 PM 2001 Jeep GC 4.0 with T6 Rotella T6
Donald Offline


Registered: 03/21/04
Posts: 14952
Loc: Upstate NY
I am not sure what to say or think. The reman engine is way past breakin. I almost never do short trips, usually 30-40 minutes. I have used the remote starter a few (very cold) times, but then drive it the 30-40 minutes. The T6 seems to have done better than PU for the most part. Not sure whats up with the fuel dilution.



Uploaded with ImageShack.us
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.

Top
#3221043 - 12/18/13 08:39 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
steve20 Offline


Registered: 06/19/07
Posts: 3174
Loc: Morris County NJ
Hey Donald--add some MMO, you'll sleep better
Steve
_________________________
427 Chevy Powered

Top
#3221058 - 12/18/13 08:51 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
simple_gifts Offline


Registered: 07/26/04
Posts: 9790
Loc: Middlesex County CT
lol.

There is an oil cap on the engine, not a solvent cap.


Edited by simple_gifts (12/18/13 08:52 PM)
_________________________
2003 Echo >365K miles; ST 10W-40HM and some #132
2006 B2300;94K;ALM

Note to park visitors: Yellowstone wildlife is wild

Top
#3221095 - 12/18/13 09:33 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
brandini Offline


Registered: 10/08/09
Posts: 1130
Loc: Richmond, VA
leaky injector?
_________________________
07 Mazda3s Hatch - ZoomZoom - Using EAO-ALM-BF3-MTG-ANT-ATF

Top
#3221096 - 12/18/13 09:35 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
Chris142 Offline


Registered: 06/05/03
Posts: 12503
Loc: apple valley, ca
I'm havine trouble reading the report but from what I can see.Something is coming apart! It's made of metal, I think it's gotten into your bearings from the lead and copper in the report. The 4.0 throws some iron but not tripple didgits, maybe 20-30ppm at the most.

Your airfilter or it's tubing isnt sealed well either but that just a small issue for now. Is this engine still under warranty of any kind?
_________________________
02 Wrangler durablend 10w40
87 F250 Diesel Mystic 15w50
04 Tahoe super-s 5w30
Z400 Lucas 10w30
KLR250 Maxima 10w40
Polaris Trailblazer delo 5w40

Top
#3221107 - 12/18/13 09:47 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
Donald Offline


Registered: 03/21/04
Posts: 14952
Loc: Upstate NY
Read the bottom set of numbers, its the most recent with T6 oil. Its past warranty. I have checked the air intake system several times and do not see any problems. The air filter is relatively new, the breather hose and elbow have been replaced along with the PCV, grommet and hose.

The copper is a little high, but not the lead. I would expect both high if a bearing. No oil cooler in this vehicle. So where is the copper coming from? I read some place it can come via a fuel line, but that seems a stretch.

Any chance the Fumoto oil change valve is where the copper is coming from? Its brass.

I was considering replacing the injectors anyway.

I do not consider the TBN low at all.


Edited by Donald (12/18/13 10:00 PM)
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.

Top
#3221134 - 12/18/13 10:13 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
KCJeep Offline


Registered: 06/30/11
Posts: 5416
Loc: Mahzurrah!
Thats the best run you've had. I can't read the iron, 36? The aluminum is fantastic though at 1 ppm always a concern in these.

The copper is odd. At this point you've used an oil well known to produce stellar UOA's in the 4.0 so I don't think you're going to do any better oil wise at this point. Your reman just seems to have a rather unique base line I guess.
_________________________
2004 Jeep GC WJ 4.0 @ 126k Pennzoil SAE 30 w/ MMO
Motorcraft FL-1A
KIA Sedona 45k, Chevy Lumina 176k, Chrysler Sebring 178k, Chrysler Concorde 103k

Top
#3221174 - 12/18/13 11:55 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Chris142]
Kuato Offline


Registered: 10/23/05
Posts: 3696
Loc: US...on the road again
Originally Posted By: Chris142
I'm havine trouble reading the report but from what I can see.Something is coming apart! It's made of metal, I think it's gotten into your bearings from the lead and copper in the report. The 4.0 throws some iron but not tripple didgits, maybe 20-30ppm at the most.

Your airfilter or it's tubing isnt sealed well either but that just a small issue for now. Is this engine still under warranty of any kind?


From what I can see, I think sample #1 is the triple digits for Iron, and it has come down nicely since then. My 4.0 throws around 21 ppm Iron in 5000 miles so it's breaking in nicely, as far as Iron is concerned.

Fuel dilution, on the other hand....what head do you have on the engine? Was it reused in the rebuild and is it an 0331 casting?
_________________________
“Wise men fear... the anger of a gentle man.” ~ Patrick Rothfuss


AMSOIL

Top
#3221232 - 12/19/13 03:07 AM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
901Memphis Online   content


Registered: 08/14/10
Posts: 7684
Loc: Northern Kentucky
Can't barely make anything out, can you try uploading at a different resolution?
_________________________
2002 Buick Century 108k - O'reilly HM 5w30/Fram Ultra XG 3980
Filter mag/Cooper CS5 GT/Wearever Platinum Ceramics
Triple Edge 4T65E/Maxlife Dex-Merc

Top
#3221275 - 12/19/13 06:43 AM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Kuato]
Donald Offline


Registered: 03/21/04
Posts: 14952
Loc: Upstate NY
Originally Posted By: Kuato
Originally Posted By: Chris142
I'm havine trouble reading the report but from what I can see.Something is coming apart! It's made of metal, I think it's gotten into your bearings from the lead and copper in the report. The 4.0 throws some iron but not tripple didgits, maybe 20-30ppm at the most.

Your airfilter or it's tubing isnt sealed well either but that just a small issue for now. Is this engine still under warranty of any kind?


From what I can see, I think sample #1 is the triple digits for Iron, and it has come down nicely since then. My 4.0 throws around 21 ppm Iron in 5000 miles so it's breaking in nicely, as far as Iron is concerned.

Fuel dilution, on the other hand....what head do you have on the engine? Was it reused in the rebuild and is it an 0331 casting?



The engine was a complete reman from Marshall Engines just needing tin. The head is whatever they used.
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.

Top
#3221313 - 12/19/13 07:20 AM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
Donald Offline


Registered: 03/21/04
Posts: 14952
Loc: Upstate NY


Uploaded with ImageShack.us
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.

Top
#3221324 - 12/19/13 07:31 AM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
badtlc Offline


Registered: 06/08/06
Posts: 4445
Loc: KC
The rotella run looks fine other than your cold starts are brutal. You might throw in an italian tuneup every few thousand miles to really burn that gas out of the oil or stop with the cold start idling.
_________________________
2007 Ford Escape XLS 2.3L ATX, ARX/Trop Artic 5W30, MC Fl910s, 125k+
2012 Mazda 3i Skyactiv M1 AFE 0W20, 6spd MTX Redline MTL, 40k+

Top
#3221350 - 12/19/13 08:04 AM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: badtlc]
Donald Offline


Registered: 03/21/04
Posts: 14952
Loc: Upstate NY
Originally Posted By: badtlc
The rotella run looks fine other than your cold starts are brutal. You might throw in an italian tuneup every few thousand miles to really burn that gas out of the oil or stop with the cold start idling.


So lets say I remote start my Jeep and let it run 5 minutes, then drive at 40 to 60 MPH for 30 minutes. Won't it have "burned" off any fuel that was in the oil?


Edited by Donald (12/19/13 08:04 AM)
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.

Top
#3221434 - 12/19/13 09:24 AM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
brandini Offline


Registered: 10/08/09
Posts: 1130
Loc: Richmond, VA
Should have, unless your thermostat is keeping things too cool.

But an italian tune up's purpose is to get things hot, not warm, so higher load, acceleration runs, up a mountain etc are what you want.

Or drop a gear/hold a lower gear a bit more when you can and let it purr a bit more.
_________________________
07 Mazda3s Hatch - ZoomZoom - Using EAO-ALM-BF3-MTG-ANT-ATF

Top
#3221691 - 12/19/13 01:45 PM Re: 2001 Jeep GC 4.0 with T6 Rotella T6 [Re: Donald]
Donald Offline


Registered: 03/21/04
Posts: 14952
Loc: Upstate NY
Looking back for other Jeep 4.0 engines I found one UOA with 2 @ 3500 and another one with 6 @ 3500 miles. So mine is 16 at 5000 so significantly higher.
_________________________
2001 Jeep Grand Cherokee Laredo 4.0 - PP & M1
1999 Dodge Ram 2500 w/Cummins - Rotella T6 & M1
Amsoil ATF in both vehicles & Magnefine filter.

Top
Page 1 of 2 1 2 >