Oil viscosity?

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Nov 8, 2010 | 09:47 AM

Andyjeep

Thread Starter

Newbie

Joined: Oct 2009

Posts: 9

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Model: Cherokee

Oil viscosity?

I have a 2002 Grand Cherokee 4.7L with a 125,000.00. I use Royal Purple 5w-20, after about 3 k the jeep is down about a half of quart. Should I go to 10W-30?

Andy

Nov 8, 2010 | 01:18 PM

retreaded jeeper

Seasoned Member

Joined: Oct 2010

Posts: 338

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From: milwaukee wi.

Year: 1993

Model: Cherokee

Engine: 4.0

really doesn't make a difference

Nov 8, 2010 | 01:30 PM

CrazyMacaw

Member

Joined: Sep 2010

Posts: 139

Likes: 3

From: N.E. Tennessee

Year: 1997

Model: Grand Cherokee

Engine: 4.0 w/K&N Intake

1/2 a quart in 3K miles isn't bad at all.
If you're worried you should find out if it's leaking or burning
the oil, but at 3K miles its time for an oil change anyway.
I'd change it, fill it up to capacity and keep on goin.

Nov 8, 2010 | 02:12 PM

Bustedback

CF Veteran

Joined: Feb 2010

Posts: 12,367

Likes: 23

From: Oroville, CA

Year: 1995

Model: Grand Cherokee

Engine: 4.0 with all of the noise and clatter

Stick with the 5w-20, you don't have an oil consumption problem at all. I change my oil at 6000mile schedules, so one quart in in that time frame is ok with me.