Volkswagen Workshop Service and Repair Manuals > Golf Mk6 > Power unit | 4-cylinder injection engine (1.8 and 2.0 l engine, chain drive) | Mixture preparation system, electronic inj.,Gas | Injection system

Cleaning injectors

Special tools and workshop equipment required

t	Ultrasonic cleaner -VAS 6418-

t	Mounting plate for injection modules -VAS 6418/1-

t	Cleaning fluid -VAS 6418/2-

Cleaning

–	Remove injectors → Chapter.

Note

Comply with safety regulations and instructions for ultrasonic unit.

–	The ultrasonic unit must have been filled with cleaning fluid -VAS 6418/2-.

Note

The ultrasonic unit must have been filled with cleaning agent up to upper edge of holes (see expanded view).

–	Insert the injectors-1- into the mounting plate for injection modules -VAS 6418/1- as far as the stop -2-.

–	Dip the injectors together with the mounting plate for injection modules -VAS 6418/1- into the cleaning fluid.

–	Set a temperature of 50 degrees with the rotary knob -4-.

–	Set the rotary knob -5- to a cleaning time of 30 minutes.

–	Switch the ultrasonic unit on with button -3-.

Note

As soon as the cleaning temperature is 50 degrees, the set time will begin to elapse.

–	After cleaning, always replace the combustion chamber ring seal (Teflon seal) for each injector → Chapter.

–	Then reinstall the injectors → Chapter.

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