Rumbling Sound

WESTSIDEBOO said:

I have a 2013 Altima SL with around 177,000 miles on it. Car is well maintained. Only problem is when I start the car cold then put it in reverse I get this rumbling sound that I think is coming from the rear passenger side. Even the rear right speaker is different now. I recently had all the mounts replaced because I thought that was the issue. Any help would be appreciated. Thanks.

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The big clue here is "Even the rear right speaker is different now."

Since the problem only occurs when he starts the car cold and puts the car in reverse, here is a solution to this problem.

1. Park in such a way that does not require the car, when cold, to be placed in reverse and the car backed up. Only put the car in reverse when the engine is warm.

2. Purchase and install a speaker heater, with an enclosure for the right rear speaker. Use this speaker heater before you place your car in reverse. The rumbling sound you hear is from a cold speaker.

The speaker heater can be ordered online if you can’t find one locally.