Rear main seal leak
#1
Junior Member
Thread Starter
Rear main seal leak
I have a very small (a couple of drops a day, when parked) rear main seal leak (according to my mechanic). Would BlueDevil rear main sealer be of any help?
#2
MBWorld Fanatic!
Not too sure what that product that is but the only way to fix it is to remove the transmission and replace the seal. Quite a labor intensive process. The actual seal is cheap.
#3
Super Member
You are better off fitting a new one in like TW mentioned and use Loctite sealant around d lip of the seal. This sealant is recommended for flange and gaskets and comes in a white like plastic cylinder with the black part at the rear which is used to press the liquid out. You wont go wrong.
#6
Senior Member
Only Valvoline SynPower HST is an approved 229.5 oil for your Mercedes. Maxlife is not approved for Mercedes. It also will do nothing for your rear main seal. Either ignore the few drops a day - that's what I'd do - or spend several thousand dollars in labor to have it replaced. However, there is no magic additive that will keep your seal from leaking without screwing up your engine.
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#8
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Join Date: Jul 2013
Location: Northern VA
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2003 Chevy Tahoe
Had the same issue awhile back. My indie shop owner said to keep a eye on oil levels but no immediate worry. I had the issue fixed when I had major maintenance done prior to installing the S/C. I was lucky - it was covered by my extended warranty.