They can perish with age / heat and also the air filter housing can vibrate a fair bit. Make sure you buy good quality replacements, cheap stuff just wont last as long.
They can perish with age / heat and also the air filter housing can vibrate a fair bit. Make sure you buy good quality replacements, cheap stuff just wont last as long.
+1
Also, how much does your engine move? Are your engine and gearbox mounts ok? By the time a little movement works it's way out to the airbox it'll be a big shake.