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Old 06-29-2016, 10:09 PM   #1
pound41
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2003 s10 blazer vacuum hoses

Hello
2003 s10 blazer up next to the ABS module there are a few vac lines one has a pod/little reservoir. It pulls a ton of vac. Found one hose collapsed so I replaced it. What are the vac lines for
Thanks
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Old 06-30-2016, 05:45 AM   #2
95 S_Trucker
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Re: 2003 s10 blazer vacuum hoses

There is a vacuum reservoir inside the left fender. It supplies vacuum for the vacuum operated actuator that engages the front axle(if you have 4wd) and it also supplies power the to hvac system(the mode and temperature doors are vacuum operated)
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