How to check engine vacuum hoses<br>Check each hose for bulges and swelling. If a hose feels soft or spongy when you touch it, this can indicate damage caused by your car's oil. [substeps] A swollen hose that is cracked and hard is often caused by heat damage.
engine vacuum hoses make a loud noise when they are broken
( z1 noise :mod ( z2 loud ) :time ( z3 break :ARG1 ( z4 hose :mod ( z5 vacuum ) :part-of ( z6 engine ) ) ) )