Volkswagen Golf / Golf GTI / Jetta. Manual — part 248

28-12

Safety precautions

To prevent injuries to persons and/or damage to

the fuel injection and ignition system, the
following must be noted:

WARNING!

When performing repair work, especially due
to the confined conditions in the engine well,
pay attention to the following:

Route all types of lines (e.g. for fuel,
hydraulics, EVAPsystem, coolant,
refrigerant, brake fluid and vacuum) as well
as electrical wiring so that the original
positions are restored.

Ensure sufficient clearance to all moving or
hot components.

Do not touch or disconnect ignition wiring when

the engine is running or being turned at starter
speed.

The ignition must be switched off before

connecting or disconnecting fuel injection or
ignition system wiring or tester cables.

Ignition system, servicing

28-13

If the engine is to be turned at starter speed,

without starting:

Note:

Removing fuse 29 interrupts the voltage supply to
the fuel injectors.

- Remove fuse 29 from fuse holder.

- Remove engine cover.

Note:

Mark connector and component before removing
connector.

- Disconnect connectors from ignition coils 1...6.

Ignition system, servicing

28-14

Observe following if test and measuring

instruments are required during a test drive:

Test and measuring instruments must be

secured to rear seat and operated by a 2nd
person from this location.

If test and measuring instruments are operated

from front passenger's seat and the vehicle is
involved in an accident, there is a possibility that
the person sitting in this seat may receive
serious injuries when the airbag is triggered.

Ignition system, servicing

28-15

Test Data, Spark plugs

Engine code

BDF

Firing order

1-5-3-6-2-4

Spark plugs

1)

VW No.

101 000 062 AB

Manufacturer's designation

PZF R5D-11

Electrode gap

max. 1.1 mm

Torque setting

25 Nm

1)

Remove and install spark plugs with plug wrench 3122 B

Ignition system, servicing