1956322 Posted March 31, 2017 Share Posted March 31, 2017 I've read that I should remove a plate on the side of the booster and put a few drops of ATF in there...I can get my hands on some marvel mystery oil for air tools that comes in a handy bottle that would make this job much easier.. Any thoughts on using this instead of ATF? Link to comment Share on other sites More sharing options...
Beemon Posted March 31, 2017 Share Posted March 31, 2017 I've used both, without issue. You just take the breather off the side and wet the leather cup. Don't over do it, just get an oiling can and shoot a few squirts on the leather. 1 Link to comment Share on other sites More sharing options...
1956322 Posted March 31, 2017 Author Share Posted March 31, 2017 Just out of curiosity what are the symptoms of it being dry Link to comment Share on other sites More sharing options...
Beemon Posted March 31, 2017 Share Posted March 31, 2017 If the power piston doesn't come back up under it's own power, that's usually an indication it's gone dry. Just like all good things, you just need to wet and and then it'll be able to slip right in. Plus it doesn't hurt to oil it every once in a while, whether it is working properly or not. 3 Link to comment Share on other sites More sharing options...
1956322 Posted May 2, 2017 Author Share Posted May 2, 2017 So I lubed the booster.. Not sure if I did it right..I removed the breather on the side and stuck a syringe into the hole and injected a small amount of ATF.. Hoping the lube went where it needed to go.. Seems to feel better we'll see Link to comment Share on other sites More sharing options...
Beemon Posted May 2, 2017 Share Posted May 2, 2017 That should be it, the leather will wick. Just keep checking it and lubing it until the leather cup is not soaked, but not dry. It takes it a while to go all the way around if it's been sitting as I've found out. Link to comment Share on other sites More sharing options...
1956322 Posted May 2, 2017 Author Share Posted May 2, 2017 Just not sure how to check it I can't see in that hole or anything I'm just blindly squirting ATF in there.... Link to comment Share on other sites More sharing options...
Beemon Posted May 2, 2017 Share Posted May 2, 2017 Just reach in there and see if it squishes or not with your finger. If the pedal returns by itself under the spring force, it should be fine. Link to comment Share on other sites More sharing options...
1956322 Posted May 2, 2017 Author Share Posted May 2, 2017 Hmm maybe your finger is smaller then mine but there's no way I can reach in there.. Are u removing the vacuum hose area?? Link to comment Share on other sites More sharing options...
Beemon Posted May 2, 2017 Share Posted May 2, 2017 No the filtered breather area on the side. Link to comment Share on other sites More sharing options...
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