just change the pulley, i had the same problem with mine, we couldn't figure out where the noise was coming from till it was to late and had to change the engine, i was told it was water pump to bottom end knocking,then the unthinkable happen on m/way .smoke was coming out the back like a war plane just being shot down oil light on, however it did carry 30+ miles to service station,check the oil not a drop in it. top it back up car went to Manchester and back to birmingham all because of the pulley ,valves was opening or closing as should.
Vvt cam pulley noise on start up
in 2005 to 2009 Vectra
Posted
just change the pulley, i had the same problem with mine, we couldn't figure out where the noise was coming from till it was to late and had to change the engine, i was told it was water pump to bottom end knocking,then the unthinkable happen on m/way .smoke was coming out the back like a war plane just being shot down oil light on, however it did carry 30+ miles to service station,check the oil not a drop in it. top it back up car went to Manchester and back to birmingham all because of the pulley ,valves was opening or closing as should.