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So in replacing my transmission mount, I need to know if I’m interpreting this torque chart correctly. So basically the attachments to the side of the car (#13 in the pic) are 47 lbf ft and the bolt into the transmission and the nuts are (#11 and #16, respectively) are 54 lbf ft? Thanks in advance!

This is for my 2012 Civic Ex-L, 107500 miles.

Part #: 2012-2013 Honda Civic 50850TR6A81

by this point I replace the front right passenger mount and the transmission mount and most of my vibration is gone, but when I put it in reverse and the engine is still cold I still get vibrations in my transmission and I don’t know why. I’m trying to figure that out. Both mounts were OEM

 
Rep Power: 221

That sounds about right. You can tighten it a bit more if you want.

 
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So I installed the right front passenger side mount and it removed most vibrations. When my car was cold and put in reverse, however, I still got some rumble (not as bad as it was but still there….).

So, I installed this transmission one (54 lbf ft and 61 lbf ft). Pretty sure the original was still good though but I was already that far in so I figured I’d just replace it….I still have a rumble when cold. Goes away after driving the car for a while.

any thoughts on what to do? Do I replace the lower torque mount? I don’t want to keep throwing money at it but I don’t want that rumble in reverse either.

 
Rep Power: 221

Could just be a slight misfire when the engine is cold. Ever done the spark plugs? Primary O2 sensor?
These cars also have the driver's side mount collapse over time.

 
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I changed the spark plugs when I bought the car about 8 months ago with some new iridium ones. As for the O2 sensor, I have not changed it. I cleaned my mass airflow sensor and throttle intake when i bought it too, however.

Cleaning those definitely helped but the vibration is still there… It removes a lot of vibration before has the changing out there motor mounts. It’s just when the motor is cold and flipping into reverse that I hear anything

 
Rep Power: 221

Check that mount and see if it's collapsed.
Otherwise try a new primary O2, needs to be oem (denso)