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#4624857 - 01/05/18 11:49 AM Oil Consumption Help on Dodge 5.9
mbacfp Offline


Registered: 09/02/15
Posts: 837
Loc: California
My 2003 Dodge Durango 5.9 oil consumption has me a little concerned it might have a Plenum Gasket issue.
Using Pennzoil Platinum 10w-30, topping off with Valvoline Maxlife Syn Blend 10w-30.

Oil Changed 5/13/17 91,317 miles
Currently 1/5/18 94,450 miles

So, in 3,133 miles I have added about 1.50 qts of make up oil (from my memory). Is this excessive? I have no leaks, no smoke at startup, no rough idling or on acceleration. Any advice or help would be appreciated. Truck runs great.
_________________________
2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8

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#4624867 - 01/05/18 11:55 AM Re: Oil Consumption Help on Dodge 5.9 [Re: mbacfp]
zfasts03 Offline


Registered: 07/21/08
Posts: 251
Loc: Bucks, PA
My 97 Ram with 5.9 uses almost the same, especially with 5w-30 synthetic. About a quart per 2000 miles.

With 10w-30 conventional or blend uses about a quart per 3000 miles.

I have 78,000 on my engine and have done the Hughes Intake manifold set.
I also replaced valve cover gaskets w/ Felpro.

I am more concerned with frame and body rust as this will send it to the junkyard. Engine runs great.
_________________________
03 Corvette Z06
-Amsoil 5w-30 SS
07 Honda Accord 2.4L
-Amsoil 5w-20 SS
16 Suburban 5.3L
-M1 0w-20, XG10575
18 4Runner TRD Off Road
- Factory Fill

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#4624876 - 01/05/18 12:02 PM Re: Oil Consumption Help on Dodge 5.9 [Re: mbacfp]
mechjames Offline


Registered: 01/16/08
Posts: 516
Loc: Richmond, BC, Canada
It might be start of the plenum gasket. Take the air intake off the throttle body and see if you can find oil in there.

Also try changing the PCV valve with a Mopar OEM valve. I haven't found an aftermarket one that is quiet, they all buzz, and the OEM one is quiet. It could be consuming there.

I have a friend with a 98 Grand Cherokee with a blown plenum gasket, he's burning 1qt every 200km. And you can tell as it blows blue smoke and has a missfire sometimes.
But if you got none of that yet, try the PCV valve first. Be careful pulling it out, the grommet hardens up on the valve cover and gets brittle, and the dealer is the only place to get it.
_________________________
86 Mustang 5.0L 170km - Amsoil XL 5w30 / Baldwin B2-HPG
14 Ram 1500 5.7 - Amsoil XL 5w20 / Baldwin B7443
98 Jeep ZJ 5.9 - Amsoil OE 10w30 / Baldwin B34

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#4624948 - 01/05/18 01:18 PM Re: Oil Consumption Help on Dodge 5.9 [Re: mbacfp]
Panzerman Offline


Registered: 12/16/06
Posts: 4203
Loc: Port Orange, Florida
I had a Dodge 5.9 for a long time and it's picky on what oil it likes. I know that sounds crazy but it hated Havoline and burn oil like crazy. Castrol never use any.
I changed oil every 3000 miles back then. I d change the PVC and try Castrol or Pennzoil Conventional 10w30 and see if that works.
_________________________

2006 Dodge Ram 2500 Hemi 4x4
2016 Dodge Challenger Scat Pack

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#4624960 - 01/05/18 01:34 PM Re: Oil Consumption Help on Dodge 5.9 [Re: mbacfp]
mbacfp Offline


Registered: 09/02/15
Posts: 837
Loc: California
Thanks so much everyone. I just stocked up on Havoline 10w-30 Syn clearance sale...might have to switch to conventional and see what happens. I changed the PCV value with Mopar OEM. Will keep an eye on next OCI and report back with more accurate account. Thanks again to all.
_________________________
2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8

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#4625164 - 01/05/18 04:40 PM Re: Oil Consumption Help on Dodge 5.9 [Re: mbacfp]
thorromig Offline


Registered: 03/22/12
Posts: 804
Loc: BerksCounty/Pa.
Different motor/same motor Family in mine. My Ram in sig. never consumes oil/knocking on wood. I do know that it prefers 10W30 over 5W30 just by the sound & feel -- sorry if that sounds strange!! Try running your new PCV with a conventional SN rated 10W30 & see what results come from it. Good luck!!!
_________________________
00 Dodge Ram 5.2L 4x4 Edge 10W30 FU (91K)
08 Acura TL Type S 3.5L PUPP 5W20 FU (101K)
17 Jetta TSI SE 1.4L Turbo - Edge 0W40 FU (Hers) (4K)

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#4625245 - 01/05/18 05:55 PM Re: Oil Consumption Help on Dodge 5.9 [Re: mbacfp]
mbacfp Offline


Registered: 09/02/15
Posts: 837
Loc: California
Yes, running 10w-30. On another forum, someone said a Dodge Tech said Plenum Gasket problems were on earlier model and fixed by 2003. Anyone know if that is true? Just curious. Thanks.
_________________________
2014 F-550 PSD..........M1 Delvac ESP 5w-40 + OEM
2018 Dodge Charger SRT Hellcat
2012 Toyota Sienna LTD 3.5L V6
2003 Dodge Durango R/T 4x4 5.9L V8

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