strange engin rattle

[cupra collins]

Right i have this strange rattle comeing from my engin its sound like lots of stones rattleing its when i accelerate between 1500 and 2000 rpm. its seems to be geting wors just lately. Anyone else had this or know what it is. its a bit of a worrying noise really and its starting to bug me. would be great for you ideas

 

[Cuprajohn]

might sound daft but you got plenty oil?

 

[cupra collins]

yeah oil level is fine its only between 1500 and 2000 rpm which is strange

 

[old 'uns]

its the 'e' from title of thread
sorry, couldn't resist

 

[cupra collins]

not helping lol

 

[goble]

yup piston slap

 

[cupra collins]

whats that all about then

 

[goble]

Excessive piston slap occurs when the clearance between the piston and the cylinder bore is too great. The piston to cylinder bore clearance becomes too great either through wear, mismatched pistons and cylinder bores at manufacturing or, a combination of both. The audible noise associated with excessive piston slap is due to the perpendicular impact of the piston against the wall of the cylinder bore. Audible piston slap is typically loudest when the engine is first started up. The pistons then expand with heat reducing the piston to cylinder bore clearance thus, reducing the perpendicular impact of the piston against the cylinder wall and its resulting noise.

 

[goble]

common problem

 

[cupra collins]

what needs to be done to cure this

 

[goble]

either live with it, get oversized pistons or a new engine.
but you can normally live with it as long as you dont wring the kneck out of it all the time.
if your not the first owner then its probably been caused by ragging the ar$e out of it from cold all the time

 

[cupra collins]

would this only happen between 1500 and 2000rmp

 

[goble]

yup seen one just yesterday with this problem

 

[cupra collins]

ok thanks for your help i can live with it had no change in performace or anything

 

[M87NER]

mine had a rattle like this.....how loud is it? is it a quick rattle like if you put 'loads of little pebbles in a tin can and shake it fast kinda sound'? excuse the explination, lol, but thiis is what mine had and i took it VW to check over they found nothing wrong but when they did a diagnostics the maf was bolloxd so i had a new maf and the sound was gone!