A trick for finding transmission leaks that are hard to detect

[@REPOOCNITSUJ]

Awesome tip!! Can't wait to try it.

[@justtinkering6054]

Thanks for the tip!

[@damovanb]

'Wurth' brand has it in a spray can for auto diag. also works well finding engine oil leaks

[@bawe100]

Thank u sir thats a neat trick

[@useruser-ll8hv]

Hello everyone !
My mechanic put wrong oil trasmission on my c300 2012 . He put red one 236.14
But the car need 236.15 blue one. I have made 14k km , what should i do . Could i have problem if i change now with blue one or should i keep red one