Hi guys,

I finished rebuilding my 300TE's rear end.
I did:
Subframe and differential mounts
Lower control arm bushing and carrier arm bushing
All 3 control arm links and tie rods
New GKN axle half shafts both sides
Differential axle seals
Propshaft flex disks front and rear, bearing and rubber support

Got it aligned after.

It drives perfect on the streets but on the freeway it has a little vibration felt at 70mph and over. Less than 60 and its not there.

No vibration before doing this work.

**when I removed the prop shaft, it was not aligned with the MB notches so I assumed the PO could have put it back on wrong, so I put it in line with the MB notches. Could it simply be this? I have no way of knowing the old position now of course.

Where should I look or anything to test?

Thanks

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k

Changes to the pinion angle will cause vibration on the 124's.

Had a vibration on a 93' 300E that was due to this. Were the rear diff bushings oriented/indexed when installed? Was the front bushing/mount shim between the body/chassis put back and was it between the body/chassis and differential? My Indy is an excellent MBZ tech and said when he did the diff bushings the shim at the front of the diff looked thinner than most so he installed a thicker shim and ALL of the vibration was gone.

Good luck!

__________________
"Rudeness is a weak man's imitation of strength" - Eric Hoffer

May want to have the prop shaft checked for balance and possibly rebalanced. It may have been rebalanced in the wrong position if it was not correctly set up before.

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I never go far without a little Big Star

1994 E500 199/Gray 82k
84 300D (Salty) Orient Red/Palomino 141k
88 300CE (Ersatzhammer) 904/Java 163k -- Turbo Technics twin turbo kit, AMG Gen I body kit, Sportline steering box and steering wheel, Sportline/Eibach /Bilstein Sport/500E suspension, Quaife LSD in 210 mm diff case, Silver Arrow brakes.
88 300CE Brabus 3.6 199 on Black 44k

Oh so it's a shim, not a washer. I put it on the nut above the subframe. I'll get it back under the mount which will lower the angle. I bet that's it. Thanks! Will report back in a few days.

__________________
2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k

Confirmed it was the shim. I had it on the top on the nut instead of underneath the bottom mount. Vibration gone!

Thanks guys

__________________
2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k