Question about 1999 Volkswagen GTI
If the thermostat isn't the problem, another common thing it could be is the coolant temperature sensor going bad, and misreading the temperature. Happened to me with my 98 Neon and it had me worried so i replaced the thermostat, radiator, and all that stuff just to find out it was the sensor.
Posted on Feb 22, 2010
It sounds like your thermostat is on its way out get this checked asap. the other thing the fan may not be working correctly or sometimes they work intermitently.
I had a golf a few years back, I had the same fault but it was the radiator had blocked up although there was water in it etc it still overheated until I changed the rad.
To be sure get the thermostat checked and then have the radiator flushed through.
Posted on Feb 01, 2010
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Posted on Jan 02, 2017
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