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if i drive with that line broken will it cause major issues?Could be the line that gives vacuum to allow the heater hose valve to open. There is an electric solenoid on the bulkhead that opens a vacuum valve which allows vacuum to open the bigger water valve.
any idea what the line is called?Cut the ends square and patch it back together with a piece of vacuum hose.
any idea what the line is called?
thanks that’s weird that nobody sells one newYou will not find one new. Its the heater control valve vacuum line. Mine was crumbling years ago on my 99 Tahoe and it was already a discontinued part. I went to the auto parts store, bought the right diameter nylon vacuum line, trimmed it to length and hooked it up with a couple pieces of vacuum hose on each end.
do you know what diameter you bought still by chance?You will not find one new. It’s the heater control valve vacuum line. Mine was crumbling years ago on my 99 Tahoe and it was already a discontinued part. I went to the auto parts store, bought the right diameter nylon vacuum line, trimmed it to length and hooked it up with a couple pieces of vacuum hose on each end.