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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 >> Fuel Injectors >> Fuel Injectors, Removing And Installing >> Installing

Fuel Injectors, Removing And Installing: Installing

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

-- Clean the hole in the cylinder head with the : T10133/4  -A-.

GWWN24-11182Courtesy of AUDI OF AMERICA, LLC

-- When installing a fuel injector, use a clean towel to clean combustion residue from the groove for the combustion chamber seal and the fuel injector shaft.

Install the Combustion Chamber Seal, Fuel Injector, Bosch 

GWWA24-12167Courtesy of AUDI OF AMERICA, LLC

-- Slide the : T40433/5  on the fuel injector -1-.

-- Put the : T40433/3  together with the new combustion chamber seal -2- on the fuel injector.

-- Slide on the combustion chamber seal together with the : T40433/4  all the way into the seal groove.

-- Remove the : T40433/3  and the : T40433/4  from the fuel injector.

When pushing the combustion chamber seal onto the fuel injector, the seal spreads open. After pushing it on, it must be tightened again, as described in the following.

GWWA24-12168Courtesy of AUDI OF AMERICA, LLC

-- Slowly remove the Fuel Injector : T40433/5  with a gentle rotational movement (approximately 180°) from the fuel injector -1-.

Install the Combustion Chamber Seal, Fuel Injector, Continental

GWWA24-12169Courtesy of AUDI OF AMERICA, LLC

-- Put the : T40433/3  together with the new combustion chamber seal -2- on the fuel injector -1-.

-- Slide on the combustion chamber seal together with the : T40433/4  all the way into the first seal groove.

-- Remove the : T40433/3  and the : T40433/4  from the fuel injector.

When pushing the combustion chamber seal onto the fuel injector, the seal spreads open. After pushing it on, it must be tightened again, as described in the following.

GWWA24-12170Courtesy of AUDI OF AMERICA, LLC

-- Press the : T40433/5  with a gentle rotational movement (approximately 180°) all the way onto the fuel injector -1-.

-- Remove the : T40433/5  again, with a rotational movement in the opposite direction.

Continuation for All: 

Fig 1: Exploded View Of Fuel Injector
GWWA24-10921Courtesy of AUDI OF AMERICA, LLC

-- Coat the new O-ring -4- with clean engine oil before installing the fuel injector -2-.

-- Press the fuel injector by hand all the way in the oil and grease free opening for the cylinder head. Make sure the fuel injectors are positioned -arrow- correctly inside the cylinder head.

Fig 2: Identifying Tab And Opening
GWWA24-11104Courtesy of AUDI OF AMERICA, LLC

-- Install the support ring onto the fuel injector.

-- Install the fuel rail. Refer to FUEL RAIL, REMOVING AND INSTALLING .