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[topdoc]

when i first got my car about 2.5 years ago it was very quiet.
but sometime last year got a little rattelly, at first i assumed tappets, but im told they are self adjusting so should not rattle. i asked mechanic and he said that it wasnt a problem, maybe loose rocker box cover. i have had the cover replaced as wrong one installed but still rattly. its no louder than when first started but i would like it quiter any ideas?

[Andyb]

when was the last time it had an oil change m8

[mike213735]

Sorry to jump in here, but I have a similar thing. Mine sounds more like a cam than a tappet (deeper note) but it seems to calm down when the car has warmed. My car has 154,000 on the clock so I assumed it should be expected.
Like you though, I did not notice it when I bought mine and that was only 2 months ago?

Must have been blinded by the smooth drive after my Roaver 800 eh?

Thanks
Mike

[topdoc]

Andy i have replaced oil twice since and filter once no difference

[topdoc]

Mike i should imagine anything is smoother than Rover, but i would love quite car again. maybe like you i just didnt notice noise, or previuos owner put sawdust in or something and as dissolved noise came back

[tunnie]

Andy i have replaced oil twice since and filter once no difference

so the oil has been replaced twice in 2.5 years?

Give it some more changes. I change mine every 3 months, costs £10 in total DIY for GM oil and oil filter.

Using BP fuel and loads of fresh oil has made my 2.2 a lot quieter than before.

[Marks DTM Calib]

Exhaust manifold leaking?

[topdoc]

Marks im not sure, is that the kind of thing mechanic should or might pick up during mot?. how will i know if is leeking.

[Andyb]

i think you need to do a few oil changes m8 using correct oil most would recommend every 3000mls if only used for town driving and 5000 for motorway

[rickyboy]

Your exhaust manifold is where the engine connects to the exhaust.  You could give it an inspection.  Is the exhaust a little noisy when revved at the engine end?