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.
A swollen hose that is soft or spongy when you touch it can indicate damage caused by your car's radiator.
( z1 possible :ARG1 ( z2 indicate :ARG0 ( z3 hose :ARG1-of ( z4 swell ) :ARG1-of ( z5 soft ) :ARG1-of ( z6 spongy ) :time ( z7 touch :ARG0 ( z8 you ) :ARG1 z3 ) ) :ARG1 ( z9 damage :ARG0 ( z10 radiator :part-of ( z11 car :poss z8 ) ) ) ) )