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3.6 Rear Main Seal Oil Leak and AT-205 Stop Leak


tsteves5

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My 2011 Journey with the 3.6 V6 started leaking oil from the rear main seal at ~150,000 miles.  Oil was visibly dripping from the cross member and would leave a small puddle wherever I parked. 

 

I haven't had much success with stop-leak products in other vehicles in the past, but after reading reviews and watching some videos on AT-205 (https://atpautomotive.com/re-seal) I decided to try it.  I added AT-205 with an oil change and washed off the bottom of the cross member.

 

The AT-205 doesn't appear to be an oil thickener.  It looks like water and it's thin, clear, and has almost no odor.

 

This photo was taken about 300 miles later.  It appears to have stopped the leak.  No oil dripping from the cross member, no puddles under the vehicle anymore.  I don't know how long it will last, but so far I am impressed.

Dry.jpg

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