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  1. Grand Cherokee Diesel Discussions
    I have found the TSB relating to the change of 2016 eco models from 530 to 540 Mopar is recommending AMSoil Premium 5W-40 Synthetic Diesel Oil However I have read a lot about just going to Shell Rotella T6 5W40 CJ-4/SM vs CK-4 Which one are you using?
  2. Grand Cherokee Diesel Discussions
    So page 57 of the diesel supplement and page 535 of the 2015 owners manual both state that no towing should be done before 500 miles. I'm usually one to be conservative but I'm conflicted, I really don't want to drive our old tow vehicle now that we have a new one! :) Our trailer only weighs...
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