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12-12-2017, 04:13 PM | #1 | |
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vacuum hose goes nowhere 2003 s10 xtreme
2003 2wd s10 xtreme w/ 4.3. found this mystery vacuum hose by the master cylinder that goes nowhere. I was removing some aftermarket wiring and saw this little joiner piece of hose rotten so I replace it, but the other end of the t-fitting went nowhere, but it was also pretty rotten, and the end was swelled up like it had been plugged onto something for a long time. the hose comes from what looks like the intake, comes back and sits on top of the brake booster, then has what looks like a little check valve, then the t-fitting, the little hose I replace connects to a hard plastic like that joins the harness and goes inside, but the other end of the t-fitting hose is loose, and the other part of the hose is fixed in place so I can't move it anywhere, but I cannot for the life of me find where it goes.
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2003 Chevrolet Silverado 4.8l w/4.56 gears 2002 Chevrolet Silverado 5.3l 2001 Chevrolet Silverado 6.0l eclb |
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12-13-2017, 03:02 AM | #2 | |
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Re: vacuum hose goes nowhere 2003 s10 xtreme
S-10s had their vacuum ball mounted under the hood by hood hinge on driver's side. Is yours missing- that is where the hose plugs in.
https://www.bing.com/images/search?q...91&FORM=IQFRBA
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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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12-13-2017, 01:10 PM | #3 | ||
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Re: vacuum hose goes nowhere 2003 s10 xtreme
Quote:
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2003 Chevrolet Silverado 4.8l w/4.56 gears 2002 Chevrolet Silverado 5.3l 2001 Chevrolet Silverado 6.0l eclb |
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12-13-2017, 03:05 PM | #4 | |
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Re: vacuum hose goes nowhere 2003 s10 xtreme
The hose plugs into the vacuum reservoir there should be a check valve inline and tees into the conduit that goes under the dash and drives the mode doors for your HVAC system. Can you change the mode inside (air delivery) from floor to vent to defrost okay? If not, your vacuum is not available. If hose is just sucking air, that is bad, in that you create a vacuum leak into your intake which make you run leaner.
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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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12-13-2017, 04:16 PM | #5 | ||
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Re: vacuum hose goes nowhere 2003 s10 xtreme
Quote:
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2003 Chevrolet Silverado 4.8l w/4.56 gears 2002 Chevrolet Silverado 5.3l 2001 Chevrolet Silverado 6.0l eclb |
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