knocking noise

[dave_b80]

i get a knocking" noise when i give my 172 a heavy amount of right foot, tis only usually once when i drop it down a gear and then put foot down, anyone have any clues?! sounds as tho its cuming from the front left

 

[Billygotta172!]

Engine mounts seems to be a popular answer to this question mate...doing a search is your best bet.

 

[Chris_H]

or the exhaust mounts