Everybody, here on this forum, advises to ask experts before getting any job done on their car. Well, as per my experience, this process of getting advice is very slow; you really dont have much time to post a question and then follow the discussion going on that topic while your car is sitting at the mechanics place. Though it helps to ask question when the issue is not that grave. But for instant issues we rather need to follow our own knowledge base or rely on mechanic's. What do you guys think?