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#1
08-05-2008, 02:21 AM
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Vacuum leak in the A/C system
I just bought a 2002 S10 crewcab LS when using the A/C the air flow goes away when going uphill causing me to think there is a vacuum leak in the hose going to the ducting. Can anybody tell me where the hose comes off of the engine going inside so I can find it?? Thanks for any help.
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#2
08-05-2008, 08:45 AM
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Re: Vacuum leak in the A/C system
Every vacuum hose leak I have found was under hood- usually right next to intake plenum- or at a connection- most likely at your vacuum reservoir ball- is it plugged in? look for a dangling black vacuum hose or plastic black line-- I have never had to look insde conduit to find a vacuum leak- they are always very obvious- look for split or dry rotted rubber hose at a vacuum tee or vacuum connection...you'll soon find it.
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Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles-
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