Where does the vacuum line hose go?

Asked by Jan 17, 2013 at 10:42 AM about the 2005 BMW 5 Series

Question type: Maintenance & Repair

3 Answers

102,175

Going to need more info. Vacuum is used in many cars for the power brakes, fuel regulator, emission controls, cruise control, HVAC doors and in some cars, the door locks. In the old days, vacuum controlled the distributor advance and wiper motors.

Yeah, please describe what you see. A small, 1/4" or 3/8 inch hose, black rubber? Dangling somewhere? Meantime, look for nipples that don't have anything attached, anywhere. Does the engine run smoothly? At idle especially.....or a bigger, 1/2" hose? Are you sure it is vacuum? Can you hear anything? Boy, I'm full of questions...we are pleased to try to help but like tenspeed said we have nothing to go on...

4,795

Agree with the statements above will need more info on hose location and engine type that you have. Either the N62 V8 or the Inline 6 M54.

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