Audi A4 and Sedans 1999-05 Coolant Recommendation & Level Check Repair Guide

Access our free Coolant Recommendation & Level Check Repair Guide for Audi Cars 1999-05 through AutoZone Rewards. These diagrams include:

• Fig. On later models, the installed coolant type is shown on the coolant reservoir-1.8L Passat shown
• Fig. Coolant level marks on the expansion tank. Early Passat model shown, others similar
• Fig. Unscrew the coolant reservoir cap to add fluid
• Fig. Add only the antifreeze that meets the manufacturer’s specifications
• Fig. Caution, the plastic threads on the cap are easily damaged during installation. If the cap does not thread smoothly, remove it, then carefully re-center it and try again. DO NOT FORCE IT!



Access our Audi Cars 1999-05Coolant Recommendation & Level Check Repair Guide by creating an account or signing into your AutoZone Rewards account. Once you sign in, follow these instructions to access our Repair Guides.

• Add your vehicle in Manage My Vehicles.
• Enter your vehicle details.
• Click the “View More” button, and then click “Vehicle Repair Guides.”
• Select the chapter “Coolant Recommendation & Level Check Repair Guide”.
Go to Manage My Vehicles

Audi A4 Coolant

Audi A4 Cooling System Parts

Volkswagen Passat Coolant

Volkswagen Passat Cooling System Parts