🏎️ Enhanced Performance Ford Racing M-19546-A12 Differential Friction Modifier - Convenient 3.8 oz. Bottle Review

Smells like hot death but works great. I mounted this to the rear of my 2010 Ford F150 to reduce rear wobble from clutch packs. After driving about 10 km, it seems to have completely disappeared. Fingers crossed it stays that way.

This product works great but smells VERY YOUNG. This product is [mandatory] when you change the fluid in the rear of your Ford. If you are not planning to use this friction modifier immediately after giving birth, please do not be under the illusion that you can keep it at home and your wife will not cause you an accident.

This is a must have for anyone working on the Ford Trac-Loc Rear. I had my differential oil changed at a shop that didn't use it and after about a month I was having severe rear end shaking when cornering at low speed and squeaking when cornering after driving on the freeway curve drove. All of these symptoms indicate the wear of clutch packs without a friction modifier. I bought a bottle of this crap, stuck it in the rear differential and the symptoms immediately subsided and then went away…