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 are only present in small cars
( z1 present :ARG1 ( z2 hose :purpose ( z3 vacuum :ARG1 ( z4 engine ) ) ) :ARG2 ( z5 car :mod ( z6 small ) ) :mod ( z7 only ) )