Finally became a fully fledged member of this community after a few years of 'lurking' reading up on the various problems and issues I've encountered in my 4 years of Vauxhall ownership.
Having previously owned a Zafira A model which eventually required a replacement engine due to piston ring...
Need a mechanic whos not money grabbing and sort a few bits on my car I have errors
Glow plug general error
Egr cleaning and blocking (Have kit)
Knocking noise front end
Noise in 2nd gear when throttling (now and then)
Full decat if helps flow/performance
Induction kit if helps...
so I've got an Astra coupe, it's the z22se engine.. Noticed something weird on the air intake, no idea what it is or does.. Looks a bit like a thermostat, spring loaded, bolted into gearbox side of air intake... What does it do? I asked a mechanic and he was stumped too, said he'd never seen one...