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Discussion Starter #1
I have 2x 2003 Jetta Wagon TDI's
Recently had the timing belt, water pump, studs, etc replaced.

both have seemed to devolp the same problem since then.

They both seem to overheat, Have since then replaced the radiator, thermostat 3 times (All 3 Replaced with OEM Thermostat)
Burped the coolant system, confirmed hose's are routed properly, Burped coolant system again, and still overheating. and lower radiator hose staying cold.

Any Insight on what it could be

Both car's had the Hepu timing belt kit installed
its getting really frustrating
 

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Premium Member
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21 Posts
Maybe try it out without a thermostat see if the lower hose gets warm
 

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234 Posts
If this developed in BOTH cars after having the same maintenance done then I've got to suspect either the kit or the work. That's just really low odds that something else went wrong on both cars.
 

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Discussion Starter #5
The one car I did a heater core flush on, and fixed the issue. The other not so much luck :(
Trying to avoid replacing water pump but pulled off coolant line the one car was steady stream at idle, the other was kinda just intermediate
 
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