Transmission mount failure.

[SchoolZoneSpeeder]

I have a '21 Tremor, and I recently had a full trans rebuild at approx 52k miles. Shortly after the rebuild, I started experiencing a heavy clunk when shifting between R and D, and when coming to and accelerating from a stop. I had the driveshaft splines greased a couple years ago for a similar issue, but this is even more harsh. I took it to the dealer, and they initially said it was an exhaust mounting bolt. That didn't make much sense to me, but I approved the replacement. The advisor came back later and said it didn't fix it, and it was actually a bad transmission mount, and the mount isn't covered by the powertrain warranty. He quoted $460 to replace it, and the part is on 3 week backorder. Of course it seems odd that this would happen right after the trans rebuild, and I thought motor mounts were covered under powertrain warranty, but I know the manufacturers are slowly covering less and less.

I've never towed anything, and only use my hitch for a dirtbike carrier. Also about half my miles are highway, so it is very odd that the trans and mount have failed.

Is this mount a common failure?

Thanks

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[Dr. Zaius]

This is the only instance I am aware of concerning this mount.

Did you take it to the same dealer who did the transmission work?

 

[Stevedbvik1]

Never trust what the dealer tells you

 

[SchoolZoneSpeeder]

This is the only instance I am aware of concerning this mount.

Did you take it to the same dealer who did the transmission work?

Yes, same dealer.

 

[SchoolZoneSpeeder]

Never trust what the dealer tells you

Wow, I thought they should be covered! Where did you find this?
***nevermind, I found it

 

[Stevedbvik1]

Wow, I thought they should be covered! Where did you find this?

https://www.ford.com/support/how-to...4DBYCGbKwW35JUBOZ3RoKvgWwMIn37peKFae-dq7imMVk

 

[airline tech]

I will say - Double Check the mount bolts, I recall some getting transmission work reporting that they missed securing the mount bolts along with various other points.

 

[DukeCanBuildit]

I will say - Double Check the mount bolts, I recall some getting transmission work reporting that they missed securing the mount bolts along with various other points.

Sadly, this kind of thing, happens too often.

The clutch slave cylinder on my 4g was replaced and my transmission clunked on every gear change after I picked it up. They missed the bolts that fasten the transmission to the frame crossmember.

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