New differential mount bushings??
 

It appears I need to replace these bushings. I have searched everywhere, well, almost everywhere including the vendors in the club but I'm no able to find the same. Only found the new part for the complete mount bracket including the bushings at $300+, plus shipping.

Do anyone know if these bushings are sold individually and where I can get it?

Try http://onlinemazdaparts.com

how did you figure out that you need new bushings..is there a lot of slack in the drivetrain?

site shows only full mount, not bushings

http://onlinemazdaparts.com/partloca...layCatalogid=0

Thanks for the feedback. Well, I have significative vibrations at the passenger rear side when running my 8 between 40 and 60 mph. Below 40 aren't noticeable and over 60 probably is putting more force at the back so the vibrations are still there but significantly reduced. It happens when running straight forward or when turning left. When turning right and the load of the car is heavier to the left side, these disappear.

List of causes, in order of dicarding these, was:

1. No clunking so I discarded the ball joints.
2. Tire balance: just took to the tire shop and have it balanced. Didn't solved.
3. A blend wheel: Put the rear on front. Didn't solved.
3. Uneven tire surface: Bought a new tire, have it installed and balanced. Didn't solved.
4. Wheel bearings: Have the rear wheel bearings replaced. Didn't solved.

So, my remaining options are (a) the differential mount (aprox. $250 at mazdaonlineparts) which includes the the whole assembly and (b) the right axle (aprox. $500 for the complete assembly - inner and outer).

If someboy knows of other possible causes, please let me know.

Thanks!

did you end up solving your vibrations?
I have similar vibrations and I'm trying to find a solution. I was guessing wheel bearings or the differential. I haven't yet started pulling things apart to solve it, just did the same tyre swap to rule out a bent unbalanced wheel.

Was this ever resolved?