The name of the mechanic is Mushtaq. His workshop is in Gawalmandi Rawalpindi and can be accessed from Marir chowk, while going towards Liaqat Bagh. Take left turn soon after the train bridge. On this road, after about 500 meters, you will find a water filteration plant on your right side. Soon after this filteration plant, a street will be turing right, take this street and keep your self on the right side. On this street, you will end up with a workshop which belongs to Mr. Mushtaq. When you will enter in the workshop, ask about Mr. Mushtaq. If he is available, tell him your problem. He would check your car and would diagnose the problem and ask his boys to start the work. You can also ask him about the cost estimate before the start of the work. One important thing, please reach his workshop before 0900 hrs otherwise he may refuse to start the work and ask for the next day.