Volkswagen Golf 2004 Workshop Manual page 272

Golf 2004 ➤ , Golf Plus 2005 ➤ , Passat 2006 ➤ , Touran 2003 ➤
4-cylinder diesel engine (2.0 l engine, 4 valve) - Edition 02.2011
– Turn temperature settings potentiometer -2- to a maximum
heat output of 600 °C.
– Set two-stage switch for volume of air -3- to position 3.
– Place nozzle of hot air blower close to shear-head bolt.
– Switch on hot air blower and heat the bolts.
WARNING
When shear-head bolts are heated up, parts of the protective
housing will be subjected to a large amount of heat. Wear pro‐
tective gloves to avoid possible injury.
– Twist shear-head bolts -arrows- out using grip pliers and re‐
move cover from protective housing.
– Then remove securing nuts for control unit bracket -arrows-.
– Release connectors on engine control unit and pull them off.
– Press catches -1- and -2- outwards. Then pull engine control
unit off control unit bracket in direction of arrow.
Installing:
– Push engine control unit onto control unit bracket until it en‐
gages in catches.
– Fit connector to engine control unit and lock in position.
266
Rep. gr.23 - Mixture preparation - injection