JamesWagner

Imagine driving your Audi A4 on a busy highway when suddenly the temperature gauge climbs into the red. Overheating can cause serious damage, but quick action helps prevent it.
First, pull over safely and shut off the engine. Never open the radiator cap while hot. Wait until the engine cools, then check the coolant reservoir. If levels are low, top up with the proper coolant mix.
Next, inspect for leaks around the radiator and hoses. Even a small leak can cause repeated overheating. Turn on the ignition and check if the radiator fan engages; if not, the fan relay or motor may be faulty.
If the issue persists, a stuck thermostat or clogged radiator could be the culprit. For deeper troubleshooting, Audi manuals https://manuals.online/audi are invaluable. The Audi service manual outlines diagnostic steps, fluid specifications, and repair procedures to keep your A4 running smoothly without heat-related surprises.