Coolant Thermostat, Removing And Installing: Installing

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Install in reverse order of removal while noting the following:

Replace the seals and O-ring after removal.

-- Clean the sealing surface on the O-ring.

-- Coat the O-ring with coolant. Refer to the parts information for the correct coolant.

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

Fig 1: Exploded View Of 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 .