Because of issues with the glow plugs and/or the glow plug wiring harness from the control relay, the Check Engine Light may illuminate. Our technicians tell us there is a service bulletin, not a recall from Volkswagen regarding replacement of the glow plugs on the 2004 model year only.
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Condensation may develop in the heater case which can cause a musty odor from the heating, ventilation and AC (HVAC) system. Our technicians tell us a cleaner is available for the heater case. Also, the drain system should be checked for debris.
Tire wear can be problematic, very dependent on driving style. Our technicians recommend regular tire inspection and replacement when necessary.
If the incorrect viscosity engine oil is used an engine noise may develop, in most cases heard only when the engine is cold. Our technicians recommend using the correct oil viscosity engine oil as noted on the oil fill cap.
Using the incorrect coolant may cause the engine coolant to become jelly like which can result in cooling system damage. Our technicians recommend using only the recommend G-12++ coolant.