W212 E350cdi Differential thread sealant

OneForTheRoad

MB Enthusiast
Joined
Apr 20, 2015
Messages
4,470
Location
uk.
Car
2017 e350 c207 .. +65 ford kuga 2.0 cdi zetec awd..
Any links to what'll work for my 17 reg e350 , it's just gone 20k and I'd like to change mine.
 

johnsco

MB Enthusiast
SUPPORTER
Joined
Nov 22, 2008
Messages
2,500
Location
Leeds, West Yorkshire
Car
E280CDI SPORTS ESTATE and C200 KOMPRESSOR SE Coupe Auto (1.8 lit petrol)
I certainly would not be spending serious money on sealant for a diff drain plug.
I've changed diff lube on a number of vehicles and never used anything special.
- - - Low temperature - low pressure - Why would you ?
Any oil resistant thread sealant should be OK.
I've used a few wraps of PTFE tape in the past.
I've never had any leaks on the E300TD or any of the other vehicles that I've done a diff-lube change.
The only MB that I've ever done a diff oil change on was a 1997 E300TD.
That was at 200,000 miles ... The car died in an accident at 230,000 miles
I've had one W126, three W210s - all with 200,000+ on the clock.
None of the diffs have ever given trouble - Two E300TDs wrecked in accidents, and the W126 and the E430 that I sold on ... :(
I now have the W211 E280 (182,000 miles) and the W203 C200 (95,000 miles).
Changing the diff lube is well down my list of priorities.
Engine oil and ATF ..... YES - Critically important ... And many owners neglect these and get away with it.

The only times I've ever taken the diff cover off were:
- a 1974 Chevy Impala 350 ... Removed to release an axle shaft
- a Bedford CF van ... Removed to do a complete diff rebuild.
For both of these I used instant gasket when replacing the diff cover.
 

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