Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!

Chevrolet Venture Heating / Cooling



  • Coolant level is fine and I checked the radiator for air pocket is there any way I can unclog the heater core my self are is that a mechanic only job.
  • I found out what the problem was it was the temperature actuator replaced it. I now have heat thank god.
  • ts60423ts60423 Posts: 52
    Which actuator did you replace? I am going nuts with this problem. All vacuum fittings and doors seem to work, but can't get hot air blasting out of the dash vents like it used to. I also recently replaced the blower motor - the old one was cavitating so bad it was causing a noticable vibration.

    After 310,000 miles i have had no problems with this thing but it is pretty cold this winter! I am having antifreeze professionally flushed this week. I hope that helps too.

    Thanks in advance!
  • Have you looked at your cabin air filters to help airflow?

    I cleaned mine out and put them back and it made a huge difference.

    If you don't know, they are behind a pop-out panel in the back of the glovebox.

    There are two, side by side with the first one sliding to the left (out of sight) to make room for the second.

    My local AutoZone wanted $42 for replacements. I chose to clean and not buy new."
  • neustkgneustkg Posts: 35
    I had a similar problem w/my 2000 Pontiac Grand Prix. Like was mentioned above, there is a drain for condensation that drains to the ground. It can get plugged, especially if the vehicle is parked outside under trees (debris drops on the car, eventually working it's way at the base of the windshield). A shop can unplug the drain. In the future, though listen for a gurgling sound. Water backed up to the blower motors and rusted them out eventually, and needed to be replaced. If you are lucky, you'll only need to unplug the drain.

    The nice thing about the Venture is that there is a filter. If you take out the filter behind the glove compartment, you might notice a lot of debris above it. Make sure to vacuum/clean all this crud out.
  • ts60423ts60423 Posts: 52
    I tried to vacuum them out once or twice, but eventually realized that even though they looked clean, they could be full of dirt -especially the Hepa charcoal filters. To test them I usually just take them out and see if it helps.

    If you go online to, they had a clearance sale on Venture replacement air filters the other day.
  • I have no heat coming from 2000 chevy venture. Sometimes I can feel a faint amount of barely warm air coming out with the fan on low. Any ideas what could be wrong?
    I have put a gallon of antifreeze in the reservoir tank over the last 2 weeks. It seemed to help give me a little heat when I filled it to the cool level line, but not now. There are no visible signs of a leak and I don't see any antifreeze on the oil dipstick. The car is not overheating, but the temperature gauge is dancing around a little bit. Just out of curiosity, where is the coolant level sensor? Because I don't know if it's just another sensor in a long line of bad ones that just stays on now forever. Or the coolant really is low. I keep adding it to the reservoir tank so it's going somewhere.
    Thanks for any help.
  • azuazu Posts: 84
    The level sensor is in the radiator. If you have to keep adding coolant and do not see any leaks you probably are burning it due to a bad intake gasket. If the system has air in it and not coolant you will be lacking heat. Easy way to see if coolant is seeping into engine look under oil cap for a yellowish goo and/or pull PCV value and see if you see the same. If you do you have an intake gasket failure.
  • Thanks. Yeah it had the goo just as you described. I'm taking it to my mechanic on Saturday for confirmation and an estimate. What a shame with this car. First the intake manifold gasket goes, and now most likely the head gasket. It would be OK if these gaskets weren't so costly to replace. But the costs are outrageous, and it's all for freakin' GASKETS! Add all the other failures of this car and it spells bye bye for GM for me in the future.
  • My 2003 Chevy Venture Van is overheating. What's happening is anti-freeze is coming out of the overflow, when heating up the radiator hoses become stiff from possible pressure, fan is not coming on in time to cool the motor, but if I jump them it still overheat.

    My heater stopped working about 1 month ago at a stand still, but at high speed it begins to kick out heat. The temp gauge goes down at higher speeds, but at lower speed temp rises. could this be related to the problem?

    Replaced the thermostat and the water pump. Help please! Could it be anything else except a busted head gasket?
  • johno99johno99 Posts: 8
    Did you burp it after you did water pump & stat?
    If you didn't that;s a simple fix. there is an air bleed screw and maybe two of them? Located toward the top of intake area .. As you turn the small hex of the bleed screw open (counter clock wise) air will come out and when it's solid collant shut it off... I did this years ago there may be 2 burp valves ? look in owners manuals it may be in there ? otherwise go to service manual or go to Library for ALLDATA ask refercne librarian if you never used it.
    Are you USING any collant ?,,,gotta pay attention to this one. and keep an eye on it overflow bottle if hook up propelry is a good way maybe once check rad to see if it's full.

    are you loosing collant externally ? leaks on floor or possibly leaks and burns off with engine heat/Exhaust you would smeel it very likely if this was the case
    Caps are pretty much the same as a lot of cars swap caps if they are the same don't force it if it don't fit.
    as you know everytime you open up rad cap you will loose a little collant(( normal.)

    Do you have access to a rad pressure tester ? if so on a cool engine hook it up to rad and run engine like normal, if pressure builds over 20 psi and keep building you likly have a head gasket gone.


    Collant could get in the oiland cause it to turn milky
    collant can also go into the exaust and usually it will make smoke or sweet smell depends on how bad it's leaking..

    Other wise a ch
  • jhdjhd Posts: 20
    edited June 2010
    I change radiator last October and everything works fine except recently fans come on way past the gauge mid (12 o’clock) position. I want them to switch the fans earlier than that.
    There should be no sludge (there was no sludge back when I was changing the rad, oil is clean, coolant level does not go down.
    I cleaned all the fun relays and connectors, no difference.
    I tried to run engine with sensor unplugged, temp gauge showed no temp reading at that time. When plugged back, temp was shown on the gauge.
    Can anyone tell me if the temp sensor (located beside the thermostat) is an on/off sensor or it actually gives the range signal to power temp gauge on the dashboard? If range, what is the range suppose to be? There is no air in the system.
  • jhdjhd Posts: 20
    I am replying to my own message above – this is pretty dead forum!
    I changed the fan switching sensor (located near the thermostat). This is an on/off sensor switch.
    Fans come on at the same temperature as with the old sensor – about 2 o’clock on the dial. What else can cause this high switching?
    anybody? thanks in advance.
  • I have a 2000 Chevy venture that has a problem with the front blower putting out cold A/C and the rear blows out hot air. I already have the trim panels removed and can see the blower assembly but need further help from there to figure out what is going on. please help.

  • how hard is it to change t-stat and where is it located?
  • reply to my self can anyone help?
  • cach22cach22 Posts: 12
    edited July 2010
    Venture Thermostat replacement I just checked this link and it is still good. It looks like it should help since it has instructions and some diagrams. I know this is for a different year, but I doubt the thermostat has been moved.
  • I own a 2003 chevy venture and I am having trouble with the fan. When I have the settings set on vent and the heat turned to max and the fan to number 5 setting very little air flow comes out of the vents. As I turn the heat control to the cool setting the air flow increases. Max. air flow is when heat control is set to max. cool setting. Why?
  • I am actually having the same issue with our van as well.

    You can hear that it is switching from cold to hot, and when you put your hand on the vent you can barely feel the hot air coming out. I then turn the temp to cold and you can hear it switch and it flows out pretty good...(almost too good).
  • When trying to drain the radiator on my 2000 chevy venture, the valve just turned and turned with no coolant coming out, Then the whole valve suddenly came out completely. When I put the valve back in I cannot tell if it's actually secure as there are no threads or anything. It actually looks like a plug with an O-ring on the end.

    Is this what it is supposed to look like or did I break something off of it when initially trying to unloosen it? If it's normal how does it stay in?
Sign In or Register to comment.