R-Face Posted September 20, 2012 Share Posted September 20, 2012 Morning peeps, I got home last night after almost a month away and jumped straight in the Z after withdrawal symptoms After about 15 minutes driving I pulled over to use my phone and noticed the idle was a bit lumpy, every 5 seconds or so I could hear almost a pop/bang.. very very quiet though but I cant think of how else to describe it! Just before I went away I had just recently fitted an Invidia Gemini with Berks HFCs, lower plenum and spacer so I think its down to that. Ill try a throttle body reset... Anyway, I popped the bonnet to listen and found a another unrelated noise.. a buzzing sound coming from the front of the airbox/rear of headlight.. I opened up the headlights about 5 months ago and noticed there was a little motor and gearing box in there so I imagine its that working its little t*ts off haha. I'm almost certain this is a new fault. I need to do a bit more investigation but its raining and cold outside its still buzzes with the headlights off and comes on as soon as I switch the ignition on without starting the engine. Am I right in thinking this is for the leveling of the headlights? How does it know when to level them and how much by? I appreciate any help Quote Link to comment Share on other sites More sharing options...
simon da silva Posted September 20, 2012 Share Posted September 20, 2012 The buzz could come from the HID Ballasts ( if you are running HID ofc ) I noticed the same issue on an old car of mine.. it keept working fine. Quote Link to comment Share on other sites More sharing options...
R-Face Posted September 20, 2012 Author Share Posted September 20, 2012 Yes I have HIDs. The noise only comes from one headlight though which is strange. and like I said, still present with the headlights completely off. Quote Link to comment Share on other sites More sharing options...
R-Face Posted September 20, 2012 Author Share Posted September 20, 2012 Weather started to get better so I got the inner arch off and found the headlight adjustment motor spinning away happily... There is a little switch in the motor housing; if you flick it one way the motor spins clockwise, flick it the other way, the motor spins anticlockwise so obviously got to get it in the middle to stop it. The problem was that the plastic housing had parted which had pulled the motor away from the cogs inside and knocked the switch. Fix was to push the cover back on firmly Quote Link to comment Share on other sites More sharing options...
Ricey Posted September 20, 2012 Share Posted September 20, 2012 Wasp in the headlight.....its the only real explanation. Quote Link to comment Share on other sites More sharing options...
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