Question about 2001 Volkswagen Beetle

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Bad water, Timing Belt replacement

Came into my shop with bad water pump, of course we replaced the timing belt at the same time, line up timing marks according to the info we have at hand alldata, ect.... But no matter what I still can't get it to run right. Is there some sort of combo. I mean I am doing it exactly as the instuctions but still a random missfire code and missfire on 1 2 3 cylinders. Also I might ad when the vehicle was brought in it ran perfect other than the water pump problem. Please help!!!

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  • cnjauto09 Sep 30, 2008

    I was able to find out what was the matter, You might want to save this, A friend of mine, Which took me a day or two to find, Anyway helped me to find a repair. Now this is a theory of ours which kind of led to our conclusion. When the water pump went bad there was no water being circulated through the engine, after discussing it with the customer the vehicle had been driven quite a few miles with no water flowing, Well after we replaced the water pump there was water flowing through the engine and through other components. Long story short the throttlebody went bad? Believe it or not.

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Hi it sounds like the belt is out a tooth as if it worked ok before the belt was fitted if the belt is correct it would run as before the engine light will come on if is misfiring soon as it detects it misfiring on more than three occacions and if its missing n 1. 2 and three this would seem to back this up do a compression test see what that reveals if it is out a tooth it may well have bent a valve hope this helps yates210456

Posted on Sep 30, 2008

  • paul yates Sep 30, 2008

    hi its sounds like it was run without water believe it or not this fault is more comon than you think with it being a alloy body when its overheated it can distaught the housing whats confusing is you said it was alright when it came in no matter he,s lucky it didn,t blow the headgasket glad to see you got it sorted as thats all that matters . yates210456

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Alright, here's a pic of the mechanicals:
0900c1528006619e.jpg


The bad news is on your vechile you have to remove the timing belt, but here's a step by step.
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To remove timing:
0900c152800661ff.jpg
The timing belt can be inspected by removing the upper (front outer) timing cover.
  1. Disconnect the negative battery cable.
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  3. Remove the timing belt covers.
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  5. Loosen timing belt tensioner bolt and remove timing belt.
  6. Remove the crankshaft sprocket flange.
To install:
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  2. Rotate the (inner) camshaft sprocket until mark on (inner) camshaft sprocket is lined up with the timing mark on alternator bracket.
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  6. Apply rotating force in the opposite direction to the camshaft sprocket (radiator side) to create tension on the timing belt tension side.
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Hope this helps.

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