10w-30 oil for the 4.7 - JeepForum.com
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Go Back JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > WK Grand Cherokee & XK Commander Forum > 10w-30 oil for the 4.7

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Unread 04-12-2014, 05:21 PM   #1
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Join Date: Sep 2013
Location: bloom, pa
Posts: 32
10w-30 oil for the 4.7

Well I mistakenly changed out my oil 10w-30 full syn. today...will I experience any ill effects from this? Think it will be okay until next oil change or should i change it out now?

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Unread 04-12-2014, 06:12 PM   #2
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2005 WK 
Join Date: Apr 2011
Location: Lac du Bonnet, manitoba, Can
Posts: 1,219
I wouldn't worry about it if i were you . The Hemi with MDS is the only engine that really HAS to have 5w20 .The same 4.7 L engine from 99-04 only spec'd 10w30 or 5w30 and it was only after they put it in the wk chasis that they changed that .
5 and counting :05 WK 5.7 HEMI
90 YJ Islander 4.2L
94 ZJ Ltd 5.2 ,00 WJ 4.0
2010 MK Patriot
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