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Home >> Volkswagen >> 2017 >> Passat R-Line >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Fuel Preparation And Injection System (Service Information - CDVB)) >> 24 Fuel Preparation And Injection >> Fuel Injectors >> Fuel Injector Seals, Replacing >> Procedure
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Fuel Injector Seals, Replacing: Procedure

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

Replacing the Combustion Chamber Seal (Teflon® ):

-- Remove the intake manifold upper section. Refer to INTAKE MANIFOLD UPPER SECTION, REMOVING AND INSTALLING .

-- Remove the fuel injectors. Refer to FUEL INJECTORS, REMOVING AND INSTALLING .

-- Clean the fuel injector carefully.

-- Cut the seal carefully with a knife -arrow-. When doing, make sure the blade of the knife does not come in contact with the valve body.

-- Remove the old seal and clean the groove -arrow-. Remove any deposits (coking) with a brass wire brush.

GWWN24-10283Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Place a new seal -1- on the :T10133/5  . Push the seal gently onto the :T10133/6  as far as it will go using :T10133/5  (the knurled side faces the seal -1-).

GWWN24-10284Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Turn the :T10133/6  (the knurled side no longer faces the seal) and push the seal -1- all the way onto the :T10133/5  .

GWWN24-10288Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Place the :T10133/5  with the seal from the front onto the fuel injector. Push the seal farther onto the fuel injector using :T10133/6  .

GWWN24-10041Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The seal is still not sitting in its groove.

-- Remove the :T10133/6  and the :T10133/5  .

-- Push the seal into the groove by hand.

-- Place :T10133/11  on the valve body.

GWWN24-10285Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Push the :T10133/7  all the way over the seal on the :T10133/11  .

-- Remove the :T10133/7  .

-- Push the :T10133/8  all the way over the seal on the :T10133/11  .

GWWN24-10286Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the :T10133/8  .

The combustion chamber seal now has the correct installed dimension.