Oil weight - JeepForum.com

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post #1 of 2 Old 05-21-2013, 07:35 PM Thread Starter
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2012 WK 
Join Date: Aug 2006
Location: St. Paul
Posts: 21
Oil weight

I have a 2012 GC with a 3.6. The required oil weight is 5w30. But I notice with the 2013 and newer 3.6, in the GC, caravan, 300 etc., that they all require 5w20. Why the change? Fuel economy?

maureen58 is offline  
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post #2 of 2 Old 05-21-2013, 08:37 PM
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2015 WK 
Join Date: May 2012
Location: Edgewater
Posts: 518
Probably, my 12 JK asks for 5w30 but my 10 WK asks for 5w20 and it has the older 3.7

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