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rpmdiag, Tech and Instructor
Category: Chrysler
Satisfied Customers: 8141
Experience:  Since 1975
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2007 Chrysler 3.5 300 touring. Over last year have had

Customer Question

2007 Chrysler 3.5 300 touring. Over last year have had whining noise from motor took to 2 mechanics (dealer) one reprogram vehicle no help the other replace runner valve in plenum no help. I just replaced the whole plenum with both runner valves and air flow and plugs. Now it will not shift right and and bad whine . Idle seems to be much better .
Submitted: 1 year ago.
Category: Chrysler
Expert:  rpmdiag replied 1 year ago.

Hi, I’m Ron and I can help you.
I have been in this business since 1975 and also teach automotive repair. I am confident
we can resolve your problem together. Please understand that I don't know your skill
level. I can't see, smell, hear, or touch the vehicle either, so it may take a few replies to
get to satisfactory results. Please be patient!
I also try to give all of the information you may need, expecting a “positive rating” in
return. I will also continue assisting you after you have rated me, if necessary. If there
is any reason I cannot get a positive rating, please let me know why “in advance”, so I
can go another direction for you. I am sorry you’re having this problem; I’ll help you
through it.

We need to begin with bidirectional tests of the computer system and the TCM for the trans computer. Whines are usually caused from a bearing starting to go bad, can't hear it over the computer, so that would be a tough one.

Thanks, Ron