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#1
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A/C fan blower running at only two speeds
Hi all,
I recently did r134a retrofit on my svx by flushing all the hoses, removing cooling unit (evaporator unit) and replacing the seals in it. Once I put back everything, I recharged and it seems to be working fine except my blower motor doesnt change to Lo-Med-Hi settings. The only change I can see when I change between those settings is from Med-Hi (I can hear a relay clicking in this case, which I believe is the high speed relay on blower motor), but no change from Lo-Med or Med-Lo. When I ran the diagnostics test, it is giving me error code 13 and 14 which is sunload sensor circuit open/short and evaporator sensor circuit open/short. I dont understand why I get error 13 since I never touched sunload sensor. Coming to evap sensor, it says the sensor is located below fan blower motor which I think is located above cooling unit and if I have to test it, I need to take out the cooling unit as its not accessible from bottom and this includes removing refrigerant . Any ideas / suggestions. thanks, |
#2
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Re: A/C fan blower running at only two speeds
If you're in the shade or garage when running the codes you can get a code 13.
Gene
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Gene and Ben 1992 SVX LS AWD 110K - Liquid Silver 1994 SVX LSi AWD 128K - White Pearl (daily driver) 1994 SVX LSi AWD 95K - Emerald Pearl (sold) 1992 SVX LS-L AWD 115K - Dark Teal 4.44 swap (sold) |
#3
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Re: A/C fan blower running at only two speeds
I also got a code 14 and you have to remove the refrigerant, tear out the glovebox and everything behind it, tear out the evaporator core, change sensor which is about $120.
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Seth 94' Barcelona Red w/ Tricoat black 2-tone AWD Ls -Sold Mods:AWD conversion/4.44 swap by Budfreak, Custom red interior lights, Custom Satin black dash, Power mode switch, Cold air intake, Permecool tranny filter,Sony xplode 10" sub, Sony xplode 1000w amp, Blitz in-line driver, DDM Tuning 6000k HID's, New paint job/body work by me, 97' Grill, QC shift kit, 17'' MB Motoring rims, 15&20 min mod, front & rear urethane swaybar bushings, Custom fiberglass sub box, Custom red led a/c control unit, perrin lightweight crank pulley, Black wrinkle finish powdercoated intake manifold w/ clear hoses , 02' outback heated/power black leather seats Soon to come:Fiberglass hood, upholster ALL suede to black leather Past subies: 92' Pearl White/black top LS-L-SOLD 96' Legacy Outback-TOTALED 99' Legacy Outback Limited 30th anniversary edition-TOTALED 98' Forester L -Totaled Other toys: 99' Forester S -WRX brake upgrade, soon an 04 wrx motor swap 06' B9 Tribeca-Stock 1982' Yamaha xj650 Maxim Mods: work in progress |
#4
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Re: A/C fan blower running at only two speeds
Quote:
-Pavan. |
#5
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Re: A/C fan blower running at only two speeds
Just a thought but normally on any other cars i have worked on that have that problem the blower motor resistor is the culprit. However the resistor typically goes because the blower motor is pulling more current than it should trying to work the way it should but while this is occurring the resistor gets more power than it should taking out the resistor. Just a though. Prob. easy to get to and might be able to test the resistance of it if you find the specs. Just a thought. Good luck with your search. Ultimately its up to you if you want to waste your nice fresh freon and the time to pull the evap back out and hope that the sensor is your problem or you can enjoy the ac on high!
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#6
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Re: A/C fan blower running at only two speeds
Quote:
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#7
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Re: A/C fan blower running at only two speeds
Hey Pav, long time bro, left you a mess the other day
H-bday again bro. Try to locate that sensor used if you can and keep it aside just in case...
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Danny 1994 Silver SVX in hybernation, awaiting for the monsterous awakening (Lebanon) 1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration 2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection. |
#8
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Re: A/C fan blower running at only two speeds
Thanks Danny, did you get all the stuff you are looking for in the packages??
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