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That elusive rattling noise. Exhaust?

506 views 1 reply 2 participants last post by  aarp2019  
#1 ·
2016 Nissan Altima SV, 114K miles, 2.5L.

Once again I have had the Nissan dealer check the exhaust shields for that dreaded rattling noise to no avail.

Can anyone tell me the most likely place the noise is coming from, and a good description of that location?

Dealer said they put the car on a lift, and checked from the rear exhaust pipes all the way to the front catalytic convertor.

The noise only happens when the car is cold and put into gear, then goes away(not completely) once the car warms up.

Please tell me where to check for this rattling, with details, and how to fix it.

Thanks.
 
#2 ·
tsb about cvt one of the tests included your heat shield they said if it’s even louder or worse there’s further procedures. Read it tonight but I don’t specifically remember which notice. Look under transmission tsb’s with your car specifics and look under that umbrella