COOLANT TEMPERATURE SENSOR ELECTRICAL CONNECTOR, DISCONNECTING (Engine Code: BXA)

Procedure 

-- Remove front -1- and rear -2- engine cover -arrows-.

Fig 1: Removing Front -1- Or Rear -2- Engine Cover

Courtesy of AUDI OF AMERICA, LLC

-- Remove left air guide hose -arrows-.

Fig 2: Locating Hose Clamps For Air Guide Hose - Left Side

Courtesy of AUDI OF AMERICA, LLC

-- Remove right air guide hose -arrows-.

Fig 3: Locating Hose Clamps For Air Guide Hose - Right Side

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect vacuum hose -1- from intake manifold.

Fig 4: Removing/Installing Center Air Guide

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -arrows- and remove air guide.

-- Disconnect electrical harness connector -1- at Engine Coolant Temperature Sensor -G62-.

Fig 5: Locating Engine Coolant Temperature (ECT) Sensor -G62-

Courtesy of AUDI OF AMERICA, LLC

Install in reverse order.