Knocking sound
16 October 2007, 08:17 AM
#1
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Knocking sound
Hi guys,
I've got a knocking sound coming from the engine. It's more apparent when the engine is cold (especially now the weather is getting colder). At first i thought it was piston slap (seems to get quieter after 10-15mins of running), but you can hear very faintly at low revs, however if i blip the throttle (upto 1000rpm) it becomes more audible, but after roughly 1200rpm it can't be heard. Any ideas?
Cheers
Mark
BTW car is MY02 PPP
I've got a knocking sound coming from the engine. It's more apparent when the engine is cold (especially now the weather is getting colder). At first i thought it was piston slap (seems to get quieter after 10-15mins of running), but you can hear very faintly at low revs, however if i blip the throttle (upto 1000rpm) it becomes more audible, but after roughly 1200rpm it can't be heard. Any ideas?
Cheers
Mark
BTW car is MY02 PPP
17 October 2007, 03:39 PM
#2
hmm,piston slap sounds feasable,but thought it was more on classics than later models.
if it is an engine knock,big IF i add,big ends ?
hard to say without hearing it,sure its the actual engine knocking not something attached to the engine ?
if it is an engine knock,big IF i add,big ends ?
hard to say without hearing it,sure its the actual engine knocking not something attached to the engine ?
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