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Old 07-30-2018, 02:07 AM
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mpe235 mpe235 is offline
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2015 Rogue
 
Join Date: Jun 2006
Location: New York
Posts: 5,530
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Quote:
Originally Posted by rpdalton View Post
I did the famous transmission fluid in the coolant and vise versa transmission replacement over the weekend and was dismayed to find there is still a whine in the engine compartment. Further research took me to TSB on secondary timing chain replacement. Question is, is this critical or is the whine just an annoyance? After just dumping $3K and a full weekend into a transmission swap, I am not real thrilled about digging into it again.
I have seen a lot of 4.0L with that noise. I have never seen a chain completely fail on one. It is something that you can put off for a while. If you can do the repair yourself it doesn't cost too much. It's mostly labor.
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