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.
How your hose looks will tell you how it was damaged.
( z1 tell :ARG0 ( z2 look :ARG0 ( z3 hose :poss ( z4 you ) ) :ARG1 ( z5 thing ) ) :ARG1 ( z6 damage :ARG1 z3 :manner ( z7 amr-unknown ) ) :ARG2 z4 )