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Unread 08-12-2013, 10:40 PM   #1
Registered User
2005 KJ Liberty 
Join Date: Aug 2013
Location: Whitewater, WI
Posts: 1
Oil Help!!!

Hello everyone,

This is my first post. I just changed the oil in my jeep for the first time and might have made a big mistake. I accidentally used 5w-20 instead of the recommended 5w-30. Am I going to destroy my engine?? HELP!!


domgish is offline   Reply With Quote Quick reply to this message
Unread 08-12-2013, 11:16 PM   #2
Web Wheeler
2005 KJ Liberty 
Join Date: Jul 2011
Location: Colorado Springs, Colorado
Posts: 2,874
Naaw, you're fine. There is a little difference between the two, but actual viscocity they are very close. Next time put 5w30 in. You're in cheeseland, it doesn't get real hot up there in summer anyways.
streetglideok is offline   Reply With Quote Quick reply to this message
Unread 08-12-2013, 11:40 PM   #3
Registered User
2005 KJ Liberty 
Join Date: Nov 2012
Location: Cedar Falls, Iowa
Posts: 121
5w20 is more a winter oil. My local jeep Dealership used the stuff for their oil changes during the winter when I used to take her in. Like you I change mine now, just use a good filter and change it at regular intervals. If the oil is conventional change at 3000 miles, synthetic change around 5000 (some push it to 10000) etc etc. 5w20, 5w30, and 10w30 are all options many use depending on situations.
jbarthol is offline   Reply With Quote Quick reply to this message
Unread 08-13-2013, 08:09 AM   #4
Registered User
2011 KK Liberty 
Join Date: Mar 2013
Location: Farmingville, New York
Posts: 202
You will be fine just go back to 5w30 the next time you do an oil change.
DarkSport11 is offline   Reply With Quote Quick reply to this message

help needed , oil change

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