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#4684806 - 03/05/18 05:51 AM Mitsubishi Endeaver 3.8 V6 oil type
ZraHamilton Offline


Registered: 01/15/18
Posts: 92
Loc: Tennessee, United States
I have a 2006 Mitsubishi Endeavor with 187k miles. It is fwd with the 3.8L V6. Recommended viscosity is 5w-20. The last oil change I used pennzoil platinum 0w-20 for the winter and 10 min short trips. However, it has leaked/burned a quart in 5k miles. Also, it is pretty noisy. Should I step up to PP 5w-30 or 0w-40?

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#4684813 - 03/05/18 06:01 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
69Torino Offline


Registered: 12/12/17
Posts: 238
Loc: Indy
Originally Posted By: ZraHamilton
I have a 2006 Mitsubishi Endeavor with 187k miles. It is fwd with the 3.8L V6. Recommended viscosity is 5w-20. The last oil change I used pennzoil platinum 0w-20 for the winter and 10 min short trips. However, it has leaked/burned a quart in 5k miles. Also, it is pretty noisy. Should I step up to PP 5w-30 or 0w-40?


Your noise could very well be a collapsing timing belt tensioner. Especially cold starting. They collapse while sitting not running. Very common on that engine especially with higher mileage. And I'm betting the valve covers are your leak. Probably oil in the spark plug tubes as well. Those valve cover gaskets get so hard I've had to burn them out with a torch when replacing them.

Oh and 0W-20 is fine for your application.
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#4684814 - 03/05/18 06:02 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
Rolla07 Offline


Registered: 11/05/11
Posts: 4737
Loc: MTL, CANADA
No. Give it time. What oil did you use previously? Switching brands sometimes causes consumption. You can use 0w20 year around. Id wait til the end of a 2nd or 3rd oil change before passing judgment. I personally prefer M1 0w20 AFE or PUP 0w20. Not to say anything wrong with PP. You are basing your move to thicker oil on your perceived notion of how your car sounds and that it has consumed a quart.


Edited by Rolla07 (03/05/18 06:03 AM)
_________________________
2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967


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#4684928 - 03/05/18 08:45 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11970
Loc: N.H, U.S.A.
PP 0w20 was junk in our Subaru - burned a ton and was noisy. It just a synthesized paraffin not a PAO or POA.

My experience with Mitsu v6 is to use a 5w30 augmented with a qt or 10w40. That was the 3 litre in my Dodge R/t. I would mechanically knock with an ILSAC 5w30 alone. Smooth as "insert simile" with the mixture. Back then I was mixing Mobil Clean 5000 "dino" to good effect.
_________________________
2014 Nissan Rogue S CVT, OC#9 41392mi-QSUD10W30 + M110A CHAMP Filter; 2017 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter

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#4684929 - 03/05/18 08:46 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: 69Torino]
askani79705 Offline


Registered: 06/10/06
Posts: 412
Loc: midland tx
Originally Posted By: 69Torino
Originally Posted By: ZraHamilton
I have a 2006 Mitsubishi Endeavor with 187k miles. It is fwd with the 3.8L V6. Recommended viscosity is 5w-20. The last oil change I used pennzoil platinum 0w-20 for the winter and 10 min short trips. However, it has leaked/burned a quart in 5k miles. Also, it is pretty noisy. Should I step up to PP 5w-30 or 0w-40?


Your noise could very well be a collapsing timing belt tensioner. Especially cold starting. They collapse while sitting not running. Very common on that engine especially with higher mileage. And I'm betting the valve covers are your leak. Probably oil in the spark plug tubes as well. Those valve cover gaskets get so hard I've had to burn them out with a torch when replacing them.

Oh and 0W-20 is fine for your application.

1st response nailed it.I had both just as described.
_________________________
2017 Ford F150 NAPA syn 5w30 Fram 11955.
2000 Chevy 2500 Silverado PYB 5w30 AC Delco Filter

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#4684951 - 03/05/18 09:08 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
ZraHamilton Offline


Registered: 01/15/18
Posts: 92
Loc: Tennessee, United States
Thanks for the responses. I will try PP HM 0W-20 next change and see if that helps.

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#4684971 - 03/05/18 09:23 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
ZraHamilton Offline


Registered: 01/15/18
Posts: 92
Loc: Tennessee, United States
ARCOgraphite, PP is not a paraffin, it is a synthesized hydrocarbon, just like PAOs are synthesized hydrocarbons.

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#4685111 - 03/05/18 11:37 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
Pajero Online   content


Registered: 05/05/12
Posts: 857
Loc: Rio Rancho, NM
0W20 IdeMitsu oil! Has a lot of moly & boron. What does the OM state about heavier oils?

I'm using Redline oil in my Montero for the first time ever. Engine is smooth and quiet, but purely anecdotal of course.



Respectfully,

Pajero!
_________________________
Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot

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#4685131 - 03/05/18 12:04 PM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
PimTac Offline


Registered: 03/04/17
Posts: 4298
Loc: Soviet State of Washington
I would get that noise checked out. Going to a heavier oil is not a cure. As for oil, I might look at Valvoline Maxlife Synblend or Synthetic depending on your usage or equivalent oil.
_________________________
2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter


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#4685188 - 03/05/18 12:58 PM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
artificialist Offline


Registered: 09/23/07
Posts: 8598
Loc: Florida
Some brand new cars use more than 1qt over 5000 miles. I wouldn't be so worried.

Anyway, sometimes the PCV valve and hoses fail, and it leads to excessive oil consumption. You should really get the PCV valve from the dealer. Don't rely on the test where you shake the old PCV valve and hear if it clicks. The spring may get weak and that would cause the excess oil consumption.
_________________________
2010 Lancer Ralliart Sportback

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#4685444 - 03/05/18 05:45 PM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
Silk Offline


Registered: 07/26/03
Posts: 4560
Loc: New Zealand
We run them on 5W-30 A3/B4 here, MNZ's recommendation, but the oil sites here say the same. Mitsubishi themselves don't really care and recommend a wide range of oils. By the time they were making the 3.8 Mitsubishi had this engine pretty sorted, and they had few problems. I have seen a faulty auto cambelt tensioner, but it was after market, OE don't give any problems.
_________________________
1987 BMW R65 - Penrite V Twin 20/50
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.

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#4685599 - 03/05/18 07:57 PM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: Silk]
69Torino Offline


Registered: 12/12/17
Posts: 238
Loc: Indy
Originally Posted By: Silk
I have seen a faulty auto cambelt tensioner, but it was after market, OE don't give any problems.


Pffft. I'm a tech at a Kia/Mitsubishi dealership. I beg to differ.
_________________________
Apparently I own too many cars and toys to fit in a signature.

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#4685795 - 03/05/18 10:56 PM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
Silk Offline


Registered: 07/26/03
Posts: 4560
Loc: New Zealand
So am I.
_________________________
1987 BMW R65 - Penrite V Twin 20/50
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.

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#4685802 - 03/05/18 11:03 PM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
OVERKILL Offline


Registered: 04/28/08
Posts: 36452
Loc: Ontario, Canada
_________________________
2016 Durango Limited
2016 Grand Cherokee SRT

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#4685832 - 03/06/18 12:11 AM Re: Mitsubishi Endeaver 3.8 V6 oil type [Re: ZraHamilton]
Silk Offline


Registered: 07/26/03
Posts: 4560
Loc: New Zealand
Well, I lied about the Kia part - that comes next month.
_________________________
1987 BMW R65 - Penrite V Twin 20/50
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.

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