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What is knocking?

What is knocking?

Hi friends,
Request you to please explain;
1.what is knocking?
2.where it occurs?
3.which parts are prone to get damage resultantly?
4.differentiate engine knocking and gear knocking?
Regards.
Gari.pk User 12084 asked on 13 Dec 2010 10:42:04 am
1 Answer
549 views |
Zayan - on 13 Dec 2010 10:42:19 am
its pre ignition....
fuel/air ignites b4 spark plug fires....
this can damage alot of things inside an engine..
i dont think "gear knocking" exists, maybe u heard wrong cuz "gear locking" is a term more widely used....gear locking is when u downshift to brake..
wait for experts, they'll tell more...
 

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