Coolant Thermostat, Removing And Installing: Installing

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Install in reverse order of removal. Note the following:

NOTE:

Replace the seals and the O-rings.

-- Clean the surface on the O-ring.

-- Coat the O-ring with coolant. For coolant, refer to Parts .

-- Install the thermostat -4- into the housing -5- for the coolant pump and move it slightly forward -arrow-.

Fig 1: Identifying Thermostat

Courtesy of AUDI OF AMERICA, LLC

-- Carefully mount the connector -3- ; while doing so, insert the centering pin -2- into the guide -1-.

-- Install the coolant pump, refer to COOLANT PUMP, REMOVING AND INSTALLING .

NOTE:

Do not reuse used coolant.

Filling for Non-Hybrid Vehicles, or Filling for Hybrid Vehicles.

Tightening specifications

Refer to OVERVIEW - COOLANT PUMP/THERMOSTAT