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Chevy Venture Engine Problems

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Comments

  • 442dude442dude Posts: 373
    I've never tried so I can't say for sure - it only takes a couple of minutes at most to remove the intake plumbing and the 2 cables so why take the chance of damaging something...
  • chipper1chipper1 Posts: 6
    Diagnostic read 'misfire cyl1' changed all plugs, wires, ignition coils. Still funky on idle, gave 3 doses + of cleaning additive, and changed air filter. next morning; 0 degrees to boiling in 3 minutes, replaced thermostat. NO Help. Now running super rough, and fluctuating between normal temp. and crazy hot to warm, Thermostat replaced by cert. mechanic. WHAT NEXT? Please help!
  • gmz1gmz1 Posts: 6
    i WOULD LIKE TO KNOW WHERE AND WHAT THIS LINE LOOKS LIKE. tHE DEALER TOLD ME IT IS LEAKING AND NEEDS TO BE REPLACED. wHEN I WENT TO BY THE PART ANOTHER DEALER TOLD ME THAT IN 99% OF THOSE LEAKS ITS JUST AN O RING. sO I BOUGHT THE $20 O RING INSTEAD OF THE $100+ LINE AND WOULD LIKE SOME INFO ON WHERE TO START. i ALSO HAVE HAD OVERHEATING ISSUSES FOR A FEW MONTHS, BUT I THINK ITS JUST AIR IN THE SYSTEM BECAUSE WHEN I BLEED IT IT WORKS FINE FOR SOMETIME. cOULD MY AIR ISSUE BE COMING FROM THIS LEAK IN THE BYPASS LINE. wHAT THE ### DOES THE BYPASS LINE DO ANYWAY?lET ME GUESS BYPASS THE COOLANT, BUT FROM WHERE?
  • I'm not sure but I believe the bypass line is the black steel tube that runs from the top of the water pump on the left side of the engine across the front to the right side and then toward the firewall where it hooks into the heating system. There are to bleeder valves on it, one just where it comes out of the water pump on the left and another on the right side. I recently had a problem similar with air getting in the system. I could see bubbles coming out of the overflow tube into the coolant reservoir. It ended up being a head gasket. Twelve hundred bucks later it runs jsut swell.
    Good luck!
  • Service engine light came on oil light came on,and the temperature light came on the started idling rough and just quit while we were sitting at a stop light .It would start back but as soon as I put it in drive it would die again.So we sit for hour and half til a tow truck could tow us home .It is full of oil ,and coolent. Someone said check EGR .Where should I look first ???? :mad: :( :confuse: :sick:
  • gmz1gmz1 Posts: 6
    I replaced bypass line, hoses and themostat. Refilled system and now still have the same overheating issue! I see the exact same thing as you, bubbles in my overflow tank. I keep trying to get the air out of the system but it keeps coming back. I hope its not the head gasket but I guess I'll check that next. Thanks for the info. All my troubles seemed to start when I let the dealer do a coolant flush a few months ago! Should never let them touch the van!
  • hello i was just wondering if you got the over heating problem worked out. i have a venture as well with the same prolbem. have changed everything and flushed the coolant system but still wants to over heat. my hubby is very :mad: with this need help. thanks. email response to herringdine2000@yahoo.com
  • k00l4idk00l4id Posts: 10
    If it's a 2002 then there is a recall on them, the head gasket is the problem and does need to be replaced, along with the alignment pegs that keep the gasket positioned properly
  • AJGWHEELSAJGWHEELS Posts: 10
    CHECK OUT THE 2 small rubber hose that are connected around where the
    OIL FILTER is , those need to be replaced , just found out why I keep pouring coolant every other day , its started with a very little leak until it burst one day, i thought was the motor block , thank GOD it wasnt. AJ
  • OK, I had the head gasket replaced but the dealer somehow managed to not mention a recall. It is an '02 with around 116,000 miles on it. Would that not be covered for some reason?
  • k00l4idk00l4id Posts: 10
    Definetly Should be, Im looking for the Service Bulletin on it
  • gmz1gmz1 Posts: 6
    Oh please give me more info on this possible head gasket recall for the 2002 venture, you will make my Easter the best ever. All day long I have been draining air out of the system but I'm not sure that I'm getting anywhere!
  • If it was a TSB it probably wasn't covered on a recall. Those are just a heads up to the dealers service department so they don't spend all day trying to figure out what the problem is.
  • Just a note to let you know I had the same problem. Had the head gasket replaced and a new water pump and now it runs perfectly...about $1200 total
  • Thanks but no problem there it was my oil pump and screen went bad .Hard to change but fixed the problem
  • gmz1gmz1 Posts: 6
    After 3 days of repairs I finally broke down and took it to the dealer for repairs. Yes I said dealer, call me crazy! But low and behold they found the problem, not easily either! It was the rad! Even with the pressure test it took many mechanics to spot the leak. So the head gaskets are ok for now, but I now know what to look for. Thanks for all the advice. I now have I brand new cooling system minus $1,000.
  • ladypladyp Posts: 2
    I have the same problem I will be driving slow in traffic and it will go toward the red as if it is overheating I turn on the AC to HEAT to allow it to come threw the vent's the air but it solves it for about a minute and it restarts heating up again.

    Anyone got any ideas? :mad:
  • gmz1gmz1 Posts: 6
    Well , it's probably air in the coolant system. The trick is to find out where it's coming from. As I previously reported a few days ago that the dealer had found my problem , bad radiator, it only lasted one night. The next day I had It towed back and then they told me it was the themostat, since I just replaced it myself two days earlier. Well now they have confirmed everyones original thought, head gaskets. So now the bill will total @ $3,500. I am fighting them since I told them it was the head gasket to begin with. No wonder GM is going under, this web site has more info on there vechicles than their Gm speacialists know! I should have listened to chevybob and just taken it to someone to get the head fixed. Thanks again! And I'm not done fighting the bill yet.
  • Does anyone know if the rad cooling fans have a variable temperature switch?
    Mine does not come on until the gauge is just outside of the red zone.
    Can it be over ridden?
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