2000 Volkswagen Beetle Repair Question
Volkswagen Beetle Water pump Problem
sounds like the water pump.
the fact that it has overheated, many times i assume, you may have damaged the head gasket. have a leak down test done to confirm the head gasket
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The light comes on because of low coolant level... the water is boiling because the water pump is broken.
You need to replace the water pump, timing belt & tensioner.... you can check for correct water pump flow like this:
The stock pumps have plastic impellers that break:
This is a video of me showing what is involved to replace the timing belt & water pump on a 1.8T Jetta engine: (same engine as yours)
Once those items have been replaced, you can verify thermostat & Radiator fan operation.
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