Jetta L4-1.9L DSL Turbo (BRM) (2006)
Removing
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Remove pump-injector unit.
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Pry off old O-rings from Pump-Injector Unit extremely carefully.
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Above all, make sure that no burs develop at O-ring seat.
Installing
NOTE:
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Always use assembly sleeves for installing O-rings. Not using them may cause the Orings to be damaged during installation.
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O-rings without distinguishing color markings are gradually introduced. Make sure the correct allocation of O-rings to grooves: ring strength
decreases in direction toward injector.
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Avoid rolling movements when sliding on O-rings. O-rings must not be twisted on itself in the seat of Pump-Injector Unit.
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Pull off heat protection seal together with securing ring.
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Clean seating surfaces for O-rings on Pump-Injector Unit very carefully.
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Insert assembly sleeve T10056/1 up to stop on Pump-Injector Unit.
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Slide upper, thicker O-ring carefully on assembly sleeve and into seat of Pump-Injector Unit.
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Remove assembly sleeve.
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Insert assembly sleeve T10056/2 up to stop on Pump-Injector Unit.
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Slide center, thinner O-ring carefully on assembly sleeve and into seat of Pump-Injector Unit.
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Remove assembly sleeve.
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Insert assembly sleeve T10056/3 up to stop on Pump-Injector Unit.
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Slide lower O-ring carefully on assembly sleeve and into seat of Pump-Injector Unit.