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Chevrolet Venture Heating / Cooling

66 messages,  Last post on Nov 14, 2009 at 3:24 PM

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#6 of 66 AC/heating vents by paulanyc Feb 01, 2008 (7:17 pm)
I have a 2000 Chevy Venture, and recently, I noticed that when I turn on the AC or heating, the air blows out of all the vents at once (the ones by the feet, the vents on the dashboard, and the ones by the windshield). Turning the nob that's supposed to control this does nothing. It used to work fine. Does anyone have any ideas what the problem is or how to fix it?   Thanks! Replies to this message: 442dude (Feb 01, 2008 9:08 pm)
#7 of 66 Re: AC/heating vents [paulanyc] by 442dude Feb 01, 2008 (9:08 pm)
Replying to: paulanyc (Feb 01, 2008 7:17 pm) One of 2 likely problems - both easy to fix...   1. The vacuum hose that provides vacuum to the switch has become disconnected. look behind the vent position control knob and locate the vacuum hose that is attached to it. Is it not attached? if its ok there, open the hood. the other end of the hose attaches a vacuum port on top of the engine, just above the accessory belt. You'll see it, it attaches there, jumps across and wraps around the washer reservoir before heading to the firewall. it may have fallen off or it may be broken, kinked or split. If you're still OK, go back in the car and disconnect the vac supply hose and then start the car. You should hear/feel the vacuum in the hose. No vacuum???The hose is plugged - run a new one through the firewall and attach it to the port on the engine. Our 2000 Venture had a plugged hose...   2. The switch is shot. Basically, if you've got vacuum the switch should work - very rare that the control switch is dead.
#8 of 66 Re: Heater Fan position Sw. only works on 5 [442dude] by modrace18 Feb 03, 2008 (11:25 am)
Replying to: 442dude (Jan 27, 2008 11:02 am) Thanks for your quick response! I was waiting to take a look at it before I responded. All the fuses and connections seem ok, so for $20 or so I'll assume it's the resistor. I'll pick one up before I go thru the trouble Of removing it and the heater motor. Thanks again....Jim I'll let you know how it works out.
#9 of 66 Floor vents always blows hot. by hotfoot1 Feb 04, 2008 (1:07 pm)
My problem is with my '04 Venture van since it was new. When I set the temperature control anywhere in the cool zone, and vent control to any setting which includes the floor vents, I get cool air coming out of the upper vents and hot air coming out of the floor vents. On long trips I get a hot foot as the floor vents blow right onto my right foot. I have to use the cruise control to get some relief and/or take off my shoe. The sides of the centre console also get quite warm. Needless to say, the A/C works against itself and I have to set it to max to get normal temp.   After years of complaining, my dealer finally admitted there is a problem. They've taken it in recently and after taking the centre console apart and replacing the actuator(?) control (from another van as they weren't sure this would solve the problem) the problem persists. The dealer mechanic said they got in touch with GM engineers and they said they had no idea what the problem was, but to let them know when the dealer found the cause of the problem.   I'm taking it in tomorrow again for as second try. I figure they'll be taking it apart again and look some more. They might or they might not find the problem. I have a 1,500 mile trip coming up this weekend (to Fla.) and I sure would be thrilled to get my climate control finally working normally. (So would my wife).
#11 of 66 Re: Heater Fan position Sw. only works on 5 [442dude] by rman666 Feb 11, 2008 (4:51 pm)
Replying to: 442dude (Jan 27, 2008 11:02 am) I have the same exact problem. I'll try the repair suggested and see if it works.   I also have a problem in that the unlock switch on the arm rest does not work. I have to manually lean over and unlock the door (to let someone in, for example).   Any ideas? Replies to this message: 442dude (Feb 12, 2008 6:19 am) skpicky (Feb 14, 2008 5:26 am) 442dude (Feb 14, 2008 6:17 pm) sh00tr (Mar 01, 2008 8:18 am) sh00tr (Mar 01, 2008 8:24 am)
#12 of 66 Re: Heater Fan position Sw. only works on 5 [rman666] by 442dude Feb 12, 2008 (6:19 am)
Replying to: rman666 (Feb 11, 2008 4:51 pm) Does the switch on the other door work or are all switches dead?   Or is it just that the passenger door doesn't unlock?
#13 of 66 Re: Heater Fan position Sw. only works on 5 [rman666] by skpicky Feb 14, 2008 (5:26 am)
Replying to: rman666 (Feb 11, 2008 4:51 pm) I have the same problem with the unlock switch. I have a 2002 Chevy Venture that I bought new. The drivers side unlock switch stopped working a few months ago (the "lock" function still works, but the "unlock" doesn't do anything). Now the passenger door switch is doing the same thing. Replies to this message: 442dude (Feb 14, 2008 6:17 pm) sh00tr (Mar 01, 2008 8:18 am) sh00tr (Mar 01, 2008 8:24 am)
#14 of 66 Re: Heater Fan position Sw. only works on 5 [skpicky] by 442dude Feb 14, 2008 (6:17 pm)
Replying to: skpicky (Feb 14, 2008 5:26 am) Sounds like a switch issue - interesting that its happening on both sides - First things first, you need to confirm the operation of one of the switches (you'll need a multimeter to check it out - you can get a decent autoranging one under $ 50, it will pay for itself with your first repair: This is how you test the switch for proper operation:   Pop out the switch panel from the armrest on the door with a small screwdriver. You then want to disconnect the plug from the switch. When you disconnect it, you'll check for continuity in the switch - you're basically checking to see of the switch is working. After you unplug the switch - look into it with the square hole for the connector to the left and the contacts to the right. Touch the multimeter to the contact on the bottom right and to the one in the top middle. Depress the button to "lock" the multimeter should indicate continuity as the connection is made - repeat the process with "unlock' while touching the top left with the top center. There should be continuity between these if the switch is working correctly. If either fails the test, the switch needs to be replaced. I'm guessing that you'll wind up replacing both switches since neither are working for unlock. Post back and let me know how you did...if your switches pass the test then we can go further. As always...be sure to check for loose or corroded connections and make sure the fuses are OK. Good luck - let me know how you make out...
#15 of 66 3rd Blower Speed on 2002 chevy venture van not working by gmz1 Feb 20, 2008 (5:24 pm)
Dealer changed blower motor resistor then informed me it was it might be control head ($600 part). Are they talking about actual fan control sw? Any advice to check control head. Replies to this message: 442dude (Feb 21, 2008 5:54 am)

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