Top End Rattle

[Guest ade1974]

my 2.0 hpi petrol c5 has a very loud rattle on tickover and up to 3000 revs then it goes away,it sounds like the top end,like tappets or some thing,im not clued up with these engines so would like some advice on what it might be.

Thanks Ade. :)

[paul.h]

Rattly things I have had before on other cars include worn timing chain so hitting casing, worn oil pump so low oil pressure, sticking hydraulic tappets, faulty hydraulic tappet so pushrod was loose, thin oil, low oil level.

 

Things to try include additives that free up hydraulic tappets, check the oil pressure, check oil level, change the oil filter and oil, check the camshaft for wear.

[seefive]

my 2.0 hpi petrol c5 has a very loud rattle on tickover and up to 3000 revs then it goes away,it sounds like the top end,like tappets or some thing,im not clued up with these engines so would like some advice on what it might be.

Thanks Ade. :)

 

I think HPI's are supposed to sound like that - it's a direct injection engine, a bit unusual