Having problems with your 2004 Audi A4 ?
I have an audi a4 and it keeps over heating. there is nothing wrong with the water and coolant. only one fan comes on at the radiator. can you help
You have to check the water pump impeller. The coolant pump impeller could be loose and spinning on the shaft or fell apart completely. Also the thermostat could be an issue.
Thermostat, waterpump ? also one fan is for engine. the second fan should power up after turning on ac
Repair Help & Product Troubleshooting for 2004 Audi A4
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