Alex Posted October 16, 2002 Share Posted October 16, 2002 I've got a buzz that occurs only when I hit over 1 bar of boost. Its very annoying and slightly scary....and very loud. I think its coming from within the dash board probably fairly central...towards the bulkhead. I think its the heater matrix but I just wanted to check if anyone knoes if its likely to be a loose matrix? Is it bolted to the bulhead normally? It could have come loose during my numerous battles with the cooling system as I checked out the engine bay pipes which feed it hot water. Other suggestions for other causes or suggestions on the best way to get at the matrix to see if its loose. Many thanks...oh and its always above @ 1 bar or above (on either both or just the first turbo (mines modded to run 1 bar on the first turbo))....its like a warning buzzer only none are set up...bizzare... Quote Link to comment Share on other sites More sharing options...
Induction Posted October 17, 2002 Share Posted October 17, 2002 Alex Not sure if this of any help to you but.... I also get a noise when hitting over 1 bar. At first I couldn't track down the cause but it turns out it's the boost gauge. It's a racetech gauge and when boost is up the needle rapidly vibrates around the 1.2 bar mark and makes a buzzing sound. Jules Quote Link to comment Share on other sites More sharing options...
Alex Posted October 17, 2002 Author Share Posted October 17, 2002 Its no where near the boost gauge.... - and the boost has been as high as 1.48bar before without a peep!!! Quote Link to comment Share on other sites More sharing options...
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