Question about 2000 Volkswagen Beetle

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2000 VW Beetle Overheating, Leaking Coolant, No Heat in Car

My 2000 beetle is overheating. I turned the heater on and no heat at all inside the car. When it overheats, steam/coolant comes out where the hose meets the radiator on the front left side of the car. What could be the problem? I'm not sure how to check if the water pump is working, since it sounds like that is what is normally the problem. How can I tell if the thermostat is working? I do not want to take it to the dealer because they'll charge me $2000 to fix it. Please help me!!

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  • ltossava Mar 12, 2009

    The fans do come on, so I know they are working properly. How do you bleed the system? (I really don't know that much about cars. I just know I don't want to spend $2000 to fix it.)

  • ltossava Mar 17, 2009

    Now, I am noticing that the fans are not coming on. They were coming on after it had overheated the first time, but now they are not. I'm thinking it has something to do with the thermostat also. The hose is spitting. It's funny you used that word because every so often, while the car is on, it spits a stream from the connection.



    So far, I'm leaning towards the following likely causes:



    Bad Thermostat

    Leaking Hose





    What might be causing the lack of hot air coming in through the vents? The water pump??

  • ltossava Mar 17, 2009

    Thanks! I'll try that and I'll see it it helps!

  • ltossava Mar 18, 2009

    Ok, so I was messing around with the car again today (I haven't been driving it, since it's leaking so much coolant) and I drove for a while, then parked it and popped the hood. The fans are working. I guess I didn't let the car get hot enough the last time. I can tell where the coolant is leaking from. It's not the hose, but it's the box between the hose and the radiator. I have no idea what that part is called (maybe it is part of the hose) so I took a picture.


    Look familiar? Do you know what this part is?

  • ltossava Mar 18, 2009

    Just to be clear, this is the upper hose (the HOT one), not the lower hose.

  • Anonymous Mar 19, 2009

    Same **** happened to me. I changed everything I could thing of and it turned out to be the water pump. 2300 bucks later.

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  • Volkswagen Master
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Sounds like another plastic rad has bitten the dust,replace the rad or hose if its split and refill with antifreeze and see what happens ,if ok then good if not post here again for more advice

Posted on Mar 17, 2009

  • Colin Stickland
    Colin Stickland Mar 17, 2009

    low water level will cause heater not working ,change hose and check rad outlet again as these plastic rads have a habit or splitting on the connections ,or the seal around the matrix packs up,cant beat real copper ones ,o the good old days,anyway check it out and repair ,thermostat should be ok but not always as they sit in a plastic housing and the plastic thingy support bit gets a hole pushed through it ,renew the whole assembly if need be ,also the water pump has a plastic impeller which has the habit of disengaging its self from the drive shaft .repair water leak first and see how it runs as colling fans wont work if water level drops.Try it with the hose first ,add water only, if it works then drain and add antifreeze ,most important as its an anti corrosion inhibitor.and best of british with it

  • Colin Stickland
    Colin Stickland Mar 18, 2009

    yes its a connector,not sure on this as american models can alter to europeon models.But i seem to think its a extension connector that pushes onto the rad connector which means that their would be an O ring seal inside it .Patten part only from dealer for this ,replace it and do not wrap it in gaffer tape .Dont remember seeing this on one i done recently but i did only service it,iam a general mechanic not a one brand mechanic and iam getting old and suffering from old timers iam afraid to old to raise a gallop and to old to remember what to do with it

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REPLACE THE THERMOSTAT AND FIX THE LEAK.  MAKE SURE THE COOLING FANS COME ON.  MAKE SURE YOU HAVE THE HEATER ON HIGH AND BLEED THE SYSTEM

Posted on Mar 12, 2009

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Ive had a new water pump, new cam belt new head gaskit and the cylindar head skimmed and pressurised but still loose coolant also changed cap on the water tank vw did say that the tank i have is for a 2006 beetle and mine is only a 2000 will this make a difference

Posted on Feb 11, 2013

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  • Contributor
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Are any of you even mechanics? If there is no heat from the heater core, you need to either replace the thermostat, or it was replaced but put in backwards, or your themostat is clogged. at a 180 to 200 degrees the thermostat would release which would give you heat to your heater core allowing you to heat the interior of your car. The water pump can have the same effect if it isnt working. The fluid wont circulate, and as the heat rises, itll build pressure, until the cap releases the pressure.

Posted on Jul 23, 2012

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SOURCE: Hi, my 99 vw beetle

hi it mite be that the water pumps impeller is made of plastic on these models an they break up after time (very common on audis an vw same engines)and dont pump the water effectivley the car constantley over heat.the solution is to but a pump wid a metal impeller ive had the same problem on my audi a3 turbo..also changing the thermostat is an option...hope this helps












Posted on May 21, 2009

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SOURCE: Vehicle says its overheating but isn't

Question. Did you get coolant temp sensor from auto parts store or dealer? If from auto parts store they are not a very good product for VW's. Get the one from dealer.

Posted on Jul 24, 2009

varun_engr
  • 516 Answers

SOURCE: Why does my 1971 vw beetle keep overheating?

Make sure your timing is right on, as per your distributor specs. Make sure the valves are adjusted correctly and that your carb is not running too lean, as all of these things effect temperatures! I don't really think the roof being cut off would effect the overheating a lot. I know that the roofline does help, absolutely, and it was designed very, very well for maximum cooling.

Also makes sure that your rubber seals are good, like the ones that go on the spark plug resistors. I don't think air flow is the issue, you already have louvres. Is your crankshaft degreed pulley smaller than stock - if so, the fan will turn slower than stock. What kind of external oil cooler was added - in front of the fan shroud? Is it over the opening in the fan shroud? I've run one of those for 35 years in Arizona, no overheating. So like others said, also check your timing and your fuel/air for leanness.

Posted on Jun 03, 2010

6ya6ya
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Posted on Jan 02, 2017

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