Audi Workshop Service and Repair Manuals

Overview of fitting locations   Note Some components are located beneath the engine cover. Removal → Fig.

1 -	Intake manifold flap motor -V157-

q	Removing and installing → Chapter

2 -	Mechanical exhaust gas recirculation valve

3 -	Engine control unit

q	Removing and installing → Chapter

4 -	Unit injectors

q	Unit injector solenoid valve, No. 1 cyl. -N240-

q	Unit injector solenoid valve, No. 2 cyl. -N241-

q	Unit injector solenoid valve, No. 3 cyl. -N242-

q	Unit injector solenoid valve, No. 4 cyl. -N243-

q	Removing and installing unit injectors → Chapter

5 -	Changeover flap for exhaust gas recirculation

6 -	Air mass meter -G70-

7 -	Solenoid valve block

q	With exhaust gas recirculation valve -N18-

q	With solenoid valve for charge pressure control -N75-

q	With exhaust gas recirculation cooler change-over valve -N345-

q	Fitting location → Fig.

8 -	Engine electronics warning lamp -K149-

q	In instrument cluster

9 -	Accelerator position sender -G79- with accelerator position sender 2 -G185-

q	Fitting location → Fig.

10 -	Brake light switch -F- and brake pedal switch -F63-

q	Fitting location:

Vehicles up to approx. 11.2005 → Fig.

Vehicles from approx. 11.2005 onwards → Fig. (gradual introduction)

11 -	5-position relay carrier in dash panel on driver's side (bottom left)

q	With fuel pump relay -J17- (depending on version)

q	For identification of socket position refer to → Current flow diagrams, Electrical fault finding and Fitting locations

12 -	Clutch position sender -G476-

q	Fitting location → Fig.

13 -	Relay and fuse holder in electronics box in engine compartment

q	With terminal 30 voltage supply relay -J317-

q	With terminal 15 voltage supply relay -J329-

q	For identification of socket position refer to → Current flow diagrams, Electrical fault finding and Fitting locations

14 -	Automatic glow period control unit -J179-

q	Fitting location → Fig.

15 -	Coolant temperature sender -G62-

q	Fitting location → Fig.

q	If necessary release pressure in cooling system before removing

16 -	Tandem pump

q	Removing, installing and checking → Rep. Gr.20

17 -	Radiator outlet coolant temperature sender -G83-

q	Fitting location → Fig.

18 -	Multi-pin connector

q	For unit injectors

q	Fitting location → Fig.

19 -	Engine speed sender -G28-

q	Fitting location → Fig.

20 -	Fuel temperature sender -G81-

q	Fitting location → Fig.

21 -	Glow plugs

q	Glow plug 3 -Q12-

q	Glow plug 4 -Q13-

q	Removing and installing → Chapter

22 -	3-pin connector

q	For Hall sender -G40-

q	Fitting location → Fig.

23 -	Glow plugs

q	Glow plug 1 -Q10-

q	Glow plug 2 -Q11-

q	Removing and installing → Chapter

24 -	Charge pressure sender -G31- with intake air temperature sender -G42-

q	Fitting location → Fig.

25 -	Hall sender -G40-

q	For camshaft position

q	Fitting location → Fig.

Removing engine cover panel –  Lift engine cover panel at sides -arrows 1- and pull off towards front -arrow 2-.

Fitting location of multi-pin connector for unit injectors t  To disconnect, pull release pin -arrow 1- and slacken knurled nut -arrow 2-.

Fitting location of solenoid valve block t  Left side of bulkhead.

Fitting location of accelerator position sender -G79- with accelerator position sender 2 -G185- t  To detach the electrical connection -2-, press the release tab and pull off the cable guide -1-.   Note Diagram shows set-up on left-hand drive vehicles.

Fitting location of brake light switch -F- and brake pedal switch -F63- up to approx. 11.2005 t  On pedal bracket -arrow-. t  Removing and installing → Rep. Gr.46

Fitting location of brake light switch -F- and brake pedal switch -F63- from approx. 11.2005 onwards (gradual introduction) t  On brake master cylinder in engine compartment. t  Removing and installing → Rep. Gr.46 1 -  Electrical connector 2 -  Brake light switch -F-/brake pedal switch -F63-

Fitting location of clutch position sender -G476- t  Removing and installing → Rep. Gr.30

Fitting location of automatic glow period control unit -J179- t  Under electronics box in engine compartment t  Removing and installing → Chapter

Fitting location of coolant temperature sender -G62- t  On engine (left).

Fitting location of fuel temperature sender -G81- t  At front of engine.

Fitting location of radiator outlet coolant temperature sender -G83- t  The radiator outlet coolant temperature sender -G83--item 2- is located above the drain plug -arrow- on coolant hose -1- at radiator (lower left).

Fitting location of engine speed sender -G28- t  On flywheel side of engine. 1 -  Engine speed sender -G28- 2 -  Sender wheel

Fitting location of charge pressure sender -G31- with intake air temperature sender -G42- t  In air pipe behind radiator.

Fitting location of 3-pin connector for Hall sender -G40- t  On front of engine under intake manifold.

Fitting location of Hall sender -G40- t  At camshaft sprocket on engine (right-side).