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1

Omega General Help / Exhaust Drone, the answer

« on: 26 March 2013, 21:06:30 »

Thanks to all those who answered my previous post concerning exhaust drone, after spending a fortune on a genuine GM exhaust the persistant resonant drone was cured by fitting a new nearside rear wheel bearing. It became apparent when doing left hand turns which sort of unloaded the bearing, it was like flicking a switch and the noise just disappeared.
On the subject of exhaust systems, those cheap ones from ebay really are rubbish, don't buy one unless you've got access to a welder as you have to cut and re-weld them to make them fit.

2

Omega General Help / Exhaust Drone

« on: 25 February 2013, 21:21:10 »

Hi everyone, I'm new to this site so was hoping someone out there could help me with a problem I've got with my 02 reg 2.2l auto petrol estate. The car is genuine low mileage (60,000) and when I bought it it still had the original GM exhaust system which had corroded badly where the two pipes enter the backbox. I've bought a complete genuine GM system from my local Vauxhall dealer (backbox & two pipes). I've fitted the system myself and there are no leaks at all but as soon as the car reaches about 45-50mph it emits the most annoying resonant drone. I,ve had suggestions such as tyre noise or wheel bearings but all seems ok in those departments, it's so annoying it's spoiling my enjoyment of an otherwise good car,help!, I'm at my wits end with this one.