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Chevy Venture

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  • Hey everyone, im hoping i could get a little insight on a car im working on. I purchased the car and the seller told me it had started overheating and acting like the head gasket was starting to go bad but not blown, there was never any oil-coolant contamination, and he gave me the full gasket set for the engine with the car. I drove the car home, had to stop twice to add coolant because it was all pouring out the coolant overflow, and then tore the engine down. The head gaskets did not look that bad, the lower intake gaskets looked ok, and the upper intake gaskets looked like crap. I replaced all of them since i had them, also replaced the following, spark plugs (gapped .060), plug wires, thermostat, coolant resevoir lid, power steering pump, valve cover gaskets, pcv valve, throttle body gaskets, exhaust manifold gaskets and bolts, fuel injector o-rings, air filter, and oil/ oil filter. After i did all this i put the engine back together and started it up, it started right up but is not idling smooth and also is still spitting all the coolant back out the overflow. Ive flushed the system and burped it 3 times for 45 minutes each time and it still does it. I also ran a compression test and got 130psi from 5 cylinders and 120psi on the #5 cylinder those numbers sound low but im not sure what they are supposed to read. Also the small vacuum tube connected to the pcv valve is collapsing when the engine is idling and the engine seems like its stalling out. Ive had suggestions that the heads where warped and now i need to redo the head gaskets, the heater core is bad, something is wrong in the vacuum system, and the water pump is bad. So with all this info can anyone tell me what it sounds like im hoping i dont need to redo the head gaskets but that looks like where its heading. Thank you to anyone that helps.
  • cjp57cjp57 Posts: 3
    thanks... yeah, I thought of that, but that is sort of hoaky.... when I jumper up the fan, it ran even with the ignition off, so I need to find a switched hot wire on the top of the fuse box.
  • Oh my 04 venture i have just had one of the wheel bearings replaced and the ABS and the Traction control lights are still on. Some times the lights go off while driving and the ABS and traction control work until the vehicle is turned off for a while then do not work for a week or so. Any suggestions? I will check the plug ins for the sensors first . Thanks
  • I NEED HELP! I tried to have an after marked pioneer dvd touch screen receiver, only to be told the 2002 has data info from the factory stock radio, so they could not send the dvd signal from the pioneer to the overhead factory installed monitor. If they take it out, it will disrupt everything. BUT the factory dvd gives me a BLUE SCREEN and says READING and only plays a few dvd's. I read something about dvd's being recorded as -R and +R, does this really effect it? Does the dvd player need cleaning, or replaced? can it be repaired, and how much? Could I do the install myself?
  • fltcoilsfltcoils Posts: 8
    1999 Chevy Venture Driver Information Center Repair.

    I researched and finally found a fix for non functioning Driver Information Center.

    The solution was similar to that found for similar modules on other brands of vehicles.

    Remove the Driver Information Center Module
    (See GM manual for procedure)

    Push back clips from black housing box and carefully remove circuit board

    Place circuit card flat on table.
    Place display and component side of circuit board facing up
    Rotate circuit board so the display module side is facing you
    There are button switches on either side of the display module
    Look at the right button switch.
    Next to it just left and above are four 1/4" X 1/8" black components attached to the circuit board
    They are marked 430, 430, 820 and 820 reading from top to bottom.
    These are resistors with 43 and 82 ohm values.

    On the two modules I have repaired the problem was with the top most resistor. It is marked 430 and is 1/2" above and 1/4" to the left of the right button switch. The soldering to the circuit board had fractured. I resoldered the resistor into place using a bit of solder and 15 Watt pencil soldering iron.

    All fixed.

    The problem is NOT the black spot on the display in the upper left corner
    The problem is NOT the DC to DC converter modules.

    Why does it come loose?
    I believe the resistor was part of the circuit which supplied power to the display module plates.

    The resistor came loose due to the metallurgy of solder. The solder often is a mixture of tin and lead. The tin is more strongly attracted to the copper in the circuit board than the lead is attracted. When hot, when within 10% of melting temperature (resistors designed to run hot), the tin near the circuit board face will move. Having moved there is stress in the solder at the locations where it left. These holes create high stress in the solder structure, this leads to a fracture staight across the mounting face of the resistor as smooth and complete as if a knife cut the resistor loose. This only happens in designs which allow parts to heat to values close to the melting point of the solder. This rarely would happen in the past before surface mounted components. The cure would be higher temperature solder, cooler running parts, avoiding flat straight mounting interfaces, etc. Reheating the joint sets it right for a while.

    Key words:
    Chevy Venture 1999
    DIC
    Driver Information Center
    VA344314KMD
    VFD Vacuum Fluorescent Display
    Futuba VA3527 2-BT-225GN
  • ceg1212ceg1212 Posts: 3
    notorious for the thermostat going bad just remove the air filter cover and rubber hose to get to it with a 13mm wrench but it needs to be at least 10inchs long to reach the bottom bolt, your irregular idle may be ignition coils so go on line find the 3 coils and plate they rest on http://www.acpartshouse.com/ListItems/MainCategory/Electrical.aspx best price i found, the fan issue shows if you turn on ac the fans will kick on but i need to find the senor that is doing the same thing on mine.
  • ceg1212ceg1212 Posts: 3
    no the van will not over heat probably due to the thermostat being bad or opening too easily to allow easy low pressure high water volume flow to keep it cool
  • Hey guys, this link will take care of your GM cars starting problems, check for your models. a full bypass to your car security:
    http://newrockies.com?ap_id=iykeus
  • trod1trod1 Posts: 1
    I have a Chevy Venture 1999 which has done only 128,500 Km. I was driving 60km/hr. when suddenly the (REAR) stabiliser bar bracket broke from the body of the car.
    With the bracket broken it was difficult to control the steering as the car swerved violently.
    I put this article to warn & caution other drivers of the problem with this year & model because if anyone was at a higher speed it could result in a severe accident or death.
    I feel it is a manufacturing defect of some kind.
    I would like to know if anyone has a similar problem as the company has said that there is no recall on the vehicle.
  • My friend has a 2000 Venture that was making a loud rubbing sound from the front and the rear. They thought it was the wheel bearings. I replaced the front brakes and the rubbing sound coming from the front stopped. I drove it around the block and the sound started again. Now it has a squeak to it. The rear brakes still need to be replaced. What else can cause the rubbing sound in the front of the van?
  • First off I'd like to thank everyone that helps out here. It's much appreciated!

    We have a 2002 Chevy Venture with the 3.4. About a week ago the heater would only blow cold air so figured it needed a thermostat. I put it off for about a week since it wasn't overheating. Plus my wife is a teacher in town and only has to drive a few blocks each day. I drove it to the auto parts store and finally started overheating. On the way there I noticed the temperature gauge would sometimes spike with slower speeds and go back down with higher speeds. The heater would also blow hot and the gauge would drop when going fast. It wouldn't do that all the time though. At times, even while going fast, it would still overheat. I pulled over once when the needle was getting up there and shut it down. I waited a couple minutes and started it back up. The heater blew hot and temp went down. I figured all of this was symptoms of the thermostat until I stopped at the auto parts store and noticed steam coming from the engine compartment but couldn't tell exactly where it was coming from.

    When I returned home I swapped the thermostat and tried bleeding the system. The bleeder screw by the thermostat housing was seeping coolant but the one by the water pump just had air coming out of it and continued to only blow air. No coolant is being sucked in from the overflow tank even when the temperature gauge was getting up there. The radiator fans are blowing. The heater is still blowing cold and engine is still overheating. There is a coolant leak that is coming from somewhere below the throttle body or kind of to the rear of the thermostat housing. I can't see exactly where it is coming from. All I can see is steam coming up from that area. If you are looking at the engine from under the hood it is coming from the lower rear right.

    From all the reading I have done I'm guessing it's the lower intake or possibly the head gasket? There's no antifreeze in the oil or vice versa. Are there any small hoses in that area that may be leaking? If a head gasket blows would enough coolant shoot out the side to cause the steam? I've heard that's possible with a blown intake gasket. You can tell that it has had some very light seepage out of the intake towards the front over the years but nothing serious. I've also had to add about a quart of oil every 3000 miles over the past few years. There just seems to be a bunch of light seepage out of quite a few gaskets. Not sure if any of this is related but you can just tell that many gaskets could stand to be replaced.

    The van has 140,000 miles on it and it has been a great van. We bought it when it had 30,000 and the only thing I have had to do to it was replace the ac condenser and the battery (if a battery even counts). We are going to be looking for a new vehicle soon but I would like to fix it to get more out of it when we do sell it. I would really like to get a few more months out of it. Heck, if I replace all gaskets the wife may have to keep it for another 5 years! I'm pretty sure I'd be living on the streets if I told her no new vehicle.

    I could try and take a video of the area where it seems to be leaking and post it on youtube if it would help.

    If it is the intake should I go ahead and replace the head gaskets while I'm down there?

    Sorry for the long post. I just wanted to make sure I hit everything. If I need to elaborate on anything, please let me know. Any help would be appreciated!

    Thanks!

    Brian
  • I have experienced the same problem with brian's chevy venture. appreciate any suggestions...thanks
  • HOW TO REPAIR THIS KNOB/ASSEMBLY.SEATSTUCK ING RECLINING POSITION
  • Hi Brain -

    I think I have the same issue. I have a 05 Pontiac Montana with the 3.4L, blows cold air from heater when you come to an idle (stop light). My mechanic says its the intake gasket $600-700. Is this car worth the fix?

    Few months ago the car temp gauge would rise. Mechanic bled the air out of the system and things have been fine. No longer get the overheating, just the cold air from the heater.

    Would like your opinion on what to do.

    Thanks,

    Gary
  • My van overheats, but not all the time. My husband replaced the thermostat, water pump, and radiator hoses. The heater will blow cold air and then the temp guage goes up. Not sure what to do at this point.
  • gjankowgjankow Posts: 2
    I feel your pain. My 05 Montana is now always blowing cold air when the heat is on. My mechanic wants to start with the intake gasket ($700), but also feels it may be the head gasket (even more money). My family is debating getting rid of the car, but it only has 76000 miles and the body is in great shape. Any suggestions?

    Thanks.
  • I also have an iisue witht he carper on the floor of the drivers side being wet. I did see one post iwth the same problem. That started before the overheating. Is it the heater core hoses or a loose clamp? I am not liking what I am seeing on here. Need to find a new vehicle.
  • tpj8499tpj8499 Posts: 3
    Hi.everyone....I have a 2005 Chevy Venture. No problems 200,000 km on it.....the gas guage decided not to work yesterday. Does anyone know what i need to do to fix this. Do I have to drop the tank....
  • tony17112acsttony17112acst Posts: 35
    edited May 2013
    tpj: it is more likely the stepper motor failure that controls the needle on your dash. They are ALL flawed. You can get new stepper motors on ebay for like $2 a piece. I had the same thing happen on 4 of all of my GM autos (2 Montanas + 2 Trailblazers) and EVERY time I replaced the stepper motor first and it was fixed. Do a search on "stepper motor" to find directions on how to replace it/them. PLEASE change ALL of them while you have the panel off, because they will ALL fail very soon. It's a stone cold fact. -Tony
  • tpj8499tpj8499 Posts: 3
    thank you tony17112acst I wil check this out
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