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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (MULTIPORT Fuel Injection (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4))) >> 24 MULTIPORT Fuel Injection >> Intake Manifold >> Intake Manifold, Removing And Installing >> Removing

Intake Manifold, Removing And Installing: Removing

WARNING: This page is about a different variant/trim than selected.

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Disconnect and free up the connector -1-.

GWWA17-11202Courtesy of AUDI OF AMERICA, LLC

Vehicles with a Particulate Filter: 

GWWA26-12308Courtesy of AUDI OF AMERICA, LLC

-- Free up the connector for the Dual Exhaust Temperature Sensor 1 -GX41-.

-- Disconnect the connector -3-.

Fig 1: Differential Pressure Sensor
GWWA24-11996Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -1- and push the Particulate Filter Differential Pressure Sensor -G1037- to the side.

Continuation for All Vehicles: 

GWWA19-13210Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1, 2 and 3- and push the coolant pipe to the side.

-- Loosen the screw-type clamp -2-, remove the air duct pipe from the Throttle Valve Control Module -GX3- and slightly push it to the left side (example illustration).

GWWA21-10922Courtesy of AUDI OF AMERICA, LLC

-- Seal off any open lines and connections with plugs that are thoroughly cleaned from the : VAS6122  .

-- Disconnect the connectors and free up the wires.

GWWA24-12120Courtesy of AUDI OF AMERICA, LLC

1 -  For the Intake Manifold Runner Position Sensor -G336-

2 -  For the Intake Air Temperature Sensor - G42- /Manifold Absolute Pressure Sensor -G71-

5 -  For the Throttle Valve Control Module -GX3-

-- Disconnect and free up the vacuum hose -4-, do not damage in the process.

-- Free up the coolant line -3- at the intake manifold.

-- Remove the nut -arrow- at the heat shield -1- (example illustration)

GWWA24-12001Courtesy of AUDI OF AMERICA, LLC

-- Remove the screw -2- and move the bracket to the side.

GWWA15-12424Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector for the Intake Manifold Runner Control Valve -N316-.

GWWA24-12121Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the vacuum hose -2- at the same time to not damage it.

-- Remove the connectors -1 and 4- from the bracket.

Fig 2: Locating Connectors
GWWA24-11095Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1 to 10- and then remove the intake manifold.

GWWA24-12171Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -3- and remove the intake manifold.

GWWA28-10149Courtesy of AUDI OF AMERICA, LLC

-- Free up the connector for the Knock Sensor 1 -G61- to do so release the catch in direction of -arrow- from the bracket -2-.