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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Cooling System (6-Cylinder Direct Fuel Injection 2.9L; 3.0L 4V TFSI Engine) >> 19 Cooling System >> Coolant Pipes >> Overview - Coolant Pipes >> Overview - Coolant Pipes, 2.9L Engine-Side >> Coolant connection at rear right of cylinder head

Coolant connection at rear right of cylinder head

Fig 1: Coolant Connection At Rear Right Of Cylinder Head - Tightening Specifications
GWWA19-13728Courtesy of AUDI OF AMERICA, LLC

Depending on the model or equipment/version a coolant connection -1- with two or one connections is installed at the rear right of the cylinder head.

-- Cylinder Head, Rear Right Coolant Connection, Removing and Installing. Refer to CYLINDER HEAD, REAR RIGHT COOLANT CONNECTION, REMOVING AND INSTALLING .

Tightening specification: 9 Nm