Fuel Rail
If the fuel filter is being replaced, then the intake manifold runner position sensor -G336- must be adapted to the engine control module -J623- Vehicle Diagnosis and Service SystemVAS 5052 "Guided Functions"
Intake manifold must be removed. Refer to INTAKE MANIFOLD WITH FUEL RAIL .
-- Remove hoses from EVAP canister.
-- To do so, open hose clamp -1-.
-- Loosen two bolts -arrows- of fuel rail.
-- Pull hose connection -1- off from intake manifold and remove both bolts -arrows-.
-- Open both fuel lines -2 and 3-.
-- Carefully pry off linkage from Intake Flap Motor -V157- -4-.
-- Remove Intake Flap Motor -V157- -5-.
-- Pry fuel rail off from the intake manifold via the retaining tabs -arrows-.
-- Remove fuel rail from intake manifold.
Installing
-- Installation is in reverse order of removal.
-- Intake manifold, installing. Refer to INTAKE MANIFOLD WITH FUEL RAIL .