Hi, I have a 03 1500 that is blowing hot air out of the passenger side vents. This only seams to happen when I am stopped. It starts blowing colder again when I start going down the road. I noticed it once or twice in the beginning of the summer but blew it off, now it is happening a lot more frequent. Has anyone else had this kind of problem?
And no, the wife is not in the car.
Its not the driver side vents at all?
1951 3100
1984 C10
maybe try evac and recharge. or blend door
1998 chevy 1500 with 6.0/4l80e comp cam, tune, exhaust,
Mine is doing the same damn thing!!!!! Its the separator in the blower box i think....the door is not closing all the way and its letting air in from the heater core.Im looking for a fix as well
Vortec Performance Tuned
LQ9 built 4L60 LTs and a billion miles on the speedo!
it could possibly be your air temp actuator.
2005 rcsb silverado 4.8L, Full bolt ons, obx lt's, ory, comp xr265hr hi lift, Nitrous outlet plate kit, built 4l65e, J-H shift kit, 2500 stall,3.73 G80 , 3 inch spintech cat back, tuned by Rick at Synergy motorsports
My truck does the same thing!! Except it's the drivers side that blows heat and I have to shut my truck off and then crank it back up again to fix it. Only does it every now and again, but it's still a pain.
Mine does the exact same thing! So annoying!Originally Posted by 04 black ss rcsb
2004 Silverado Crew Cab, forged iron 5.7, STS w/MP turbo, 10+ psi, FMIC, Tial 50mm BOV, Vic Jr, Snow performance meth, MTI Stealth cam .220/.220 .581/.581 115lsa, Comp chromoly pushrods, Yank TT3000 stall, LS1 Efans, 160 tstat, Trucool 40k trans cooler, 60# injectors, Walbro fuel pump, Patriot springs, Built 4l65E w/billet input & output shafts, Eaton posi, SD tuned...all installed by Klein North Automotive
My wifes 2004 Tahoe started to blow hot (not outside air it was "heater air") at the begining of the summer through the driver side vents, and I kept getting the run around at the dealership. They said it had something to do with the climate controls itself, but even after replacing the controls it still did the same thing. Then a few days later it wouldn't start for her, I tried to jump it and it wouldn't stay running. So in went a new battery and alternator, and everything was good. Not sure if that was the problem or what, but it hasn't acted up since, and I don't know why that would have fixed it.
2002 Silverado 2500HD LB7 CCSB LT
EFI Live by Rob at ATP, Edge CTS Insight DSP 5 control, S&B CAI, PPE boost valve, Pro Fab AIH, AirDog II 165, PPE WIF sensor delete plug, 5" stainless exhaust, Cognito braces & HD tie rods, H2's 315/70 R17 BFG's
2004 Tahoe LT
2006 Silverado Z71 LS
1971 Chevy C10
Yes, it is only the passanger side.
If it is the temp actuator that is causing the problem, how do you check it? Also, what controls the temp blending door, does it use a stepper motor or does it use vacumm to open and close it?
Cowl327 seems to have it right. There is a fabric flap/door in the box that is vacum actuated. Either a vacum line leak in the controls or the door vacum actuator . So when u drive, the forced in air helps to close the door/flap.
2013 CC 5.3
81 C10 LS1 project
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