what it says.... how do you do a leakdown test? and whats the difference between a compression test?

 

You need special tools... But I can't tell! hehe.

 

well i got a compresion gauge so i can do that but not sure what a leakdown test is... i asume ya just fill the cylinders with a certain pressure and then cut the air and check how much the preasure drops with in a certain ammount of time....
BUT ive never seen a HOW TO.....
but thiers pleanty of how to compresion test...

but still alot of people advise to do a leakdown test.LOL
BUT NO ONE HAS DONE A DIY thread...

 

Does autozone or Advance Auto do that? I know they test alternators, batterys, CELs, and a bunch of other things.