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#1
08-24-2012, 09:41 PM
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Ram truck A/C stuck on defrost...
I have a 98 V6 autotrans 1500 ram truck. the a/c has been stuck on defrost for some time. I have checked the vacuum hoses under the hood and they seem fine on visible inspection. I have also checked all the fuses.
What do yall think is the prob and what is the solutions. Big thanks to all...... 
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#2
08-24-2012, 09:45 PM
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Re: Ram truck A/C stuck on defrost...
One time a fellow re-checked looking for a cracked line, including the power brakes and found a cracked one.
__________________
1992 Bravada, 201K, stock 1997 Bravada, 101K, stock...was "called away"  "Cornbread Red", 2001 Dodge 2500,4X4,HO Cummins Diesel,QC,SWB,6spd.,Banks boost&pyro,US Gage fuel press.,Edge Drag Comp,4"exh.,cowl hood, bhaf, black Holley pump, 140gph...13psi WOT, Vulcan Big Line, kevlar/ceramic single disc clutch, cheapo fuel cooler, 8x.010" vco injector nozzles, Cat turbo 62-65-.70A/R, 497hp 1089 tq 8/25/14  Time to turn so's you don't burn. 
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#3
08-24-2012, 09:50 PM
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Re: Ram truck A/C stuck on defrost...
Use a vacuum gage when checking lines- sometimes the check valves go bad..
__________________
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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