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Omega death rattle - SimonH
Hello

We have a 97 2.0 GLS 16v Omega and for a while now it has a tappety rattle, particularly on tickover.

It has only done 30K and the timing belt was replaced 4K ago, along with the tensioners etc by the main dealer as now recommended by Vauxhall.

The dealer says the rattle is caused by a worn fan belt tensioner. Does anyone have any experience of this, and is it a DIY job to change it.? My Haynes manual acknowledges the car has a belt tensioner but doesn't tell me how to change or remove it!

Many thanks

Simon
Omega death rattle - RogerL
I had a 95 Cavalier 2.0 16v which uses the same engine. It was always very noisy due to the ancilliary drive belt (fan belt) having a very long run between pulleys and basically flapped about. Listen to other Omegas with the same engine before committing expense which may not cure the problem.
Omega death rattle - robert
Is it worse when cold?
Omega death rattle - SimonH
Robert

No, it's pretty consistent.

Simon
Omega death rattle - svpworld
I also have an Omega 2.0 16V GLS saloon (99 T) and I noticed the same when compared to my old 8V 2.0 cavalier. Its worse at start up and seems to get better once the engine warms up, I've been told its just the oil taking its time to get around to the top of the cams. As I drive usually with the windows closed, it doesnt bother me as I cant hear it inside the car!