i have bought a escort rs turbo mk4 1988 model it was a half done project by someone else so there parts missing here there and everywere but my main problem is just above the gear box theres like some sort of pump thing that has a cog on end looks like a belt is ment to go on this any ideas what could be as i have got the car and turbo is seized so didnt no if it was anything to do with that and also cars got a slight knock on cylinder 1 any ideas cheeers