1998-2001 A4 Quattro 2.8L. 1998-2002 A4 Quattro 1.8L. 2002 A4 Quattro 3.0L. 1998-2001 A6 Quattro 2.8L. Remove the old coolant reservoir from your vehicle while ensuring to drain coolant properly. Position the new TEMBOR coolant reservoir in place, aligning the three mounting holes with existing brackets.