Skoda Octavia II 2004 Workshop Manual page 5

1.11 Removing and installing fuel gauge sender G169 on vehicles with four-wheel drive. . . . . 169
1.12 Removing and installing the suction jet pump for vehicles with four-wheel drive . . . . . . . . 170
1.13 Removing and installing tandem pump, vehicles with engine code BKD, AZV . . . . . . . . . . 171
1.14 Removing and installing tandem pump, vehicles with engine code BMM . . . . . . . . . . . . . . 172
1.15 Inspecting a tandem pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
1.16 inspecting fuel pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
2 Accelerator control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
2.1 Assembly overview - accelerator module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
2.2 Removing and installing accelerator pedal module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
21 - Turbocharging/supercharging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
1 Charge-air system with exhaust gas turbocharger - Part 1 . . . . . . . . . . . . . . . . . . . . . . . . 184
1.1 Connection diagram for vacuum hoses for engines with code BKD, AZV . . . . . . . . . . . . . . 184
1.2 Connection diagram for valve block and vacuum sockets for engines with code BKD, AZV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
1.3 Checking the vacuum actuator and tension rods for charge pressure regulation for engines
with code BKD, AZV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
1.4 Connection diagram for vacuum hoses for engines with code BUD . . . . . . . . . . . . . . . . . . 186
2 Charge-air system with exhaust gas turbocharger - Part 2 . . . . . . . . . . . . . . . . . . . . . . . . 188
2.1 Removing and installing exhaust gas turbochargers for engines with code BKD, AZV . . . . 188
2.2 Removing and installing charge air cooling parts for engines with code BKD, AZV . . . . . . 191
2.3 Removing and installing the exhaust gas turbocharger for engines with code BMM . . . . . . 193
2.4 Removing and installing charge air cooling parts for engines with code BMM . . . . . . . . . . 196
2.5 Removing and installing charge air cooler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
2.6 Hose connections with quick couplings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
2.7 Checking the charge-air system for leak-tightness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
23 - Mixture preparation - injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
1 Repairing Diesel Direct Injection system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
1.1 Installation locations for engines with code BKD, AZV - overview . . . . . . . . . . . . . . . . . . . . 202
1.2 Intake manifold - summary of components for engines with code BKD, AZV . . . . . . . . . . 205
1.3 Wiring harness for unit injectors and glow plugs - summary of components for engines with
code BKD, AZV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
1.4 Removing and installing the wiring harness for unit injectors and glow plugs for engines with
code BKD, AZV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not permitted
unless authorised by ŠKODA AUTO A. S. ŠKODA AUTO A. S. does not guarantee or accept any liability
1.5 Removing and installing the air filter for engines with code BKD, AZV . . . . . . . . . . . . . . . . 208
with respect to the correctness of information in this document. Copyright by ŠKODA AUTO A. S.�
1.6 Repairing unit injectors for engines with code BKD, AZV . . . . . . . . . . . . . . . . . . . . . . . . . . 210
1.7 Removing and installing unit injectors for engines with code BKD, AZV . . . . . . . . . . . . . . 210
1.8 Replacing the O-rings of the unit injector for engines with code BKD, AZV . . . . . . . . . . . . 215
1.9 Installation locations for engines with code BMM - overview . . . . . . . . . . . . . . . . . . . . . . . . 216
1.10 Intake manifold - summary of components for engines with code BMM . . . . . . . . . . . . . . 219
1.11 Removing and installing the air filter for engines with code BMM . . . . . . . . . . . . . . . . . . . . 220
1.12 Repairing unit injectors for engines with code BMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
1.13 Removing and installing unit injectors for engines with code BMM . . . . . . . . . . . . . . . . . . 221
1.14 Replacing the O-rings of the unit injector for engines with code BMM . . . . . . . . . . . . . . . . 225
1.15 Removing and installing the engine speed sender G28
2 Engine control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
2.1 Removing and installing engine control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
26 - Exhaust system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
1 Removing and installing parts of the exhaust system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
1.1 Summary of components for engines with code BKD, AZV . . . . . . . . . . . . . . . . . . . . . . . . 229
1.2 Summary of components for engines with code BMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
1.3 Exhaust system for vehicles with four-wheel drive - Summary of components . . . . . . . . . . 233
1.4 Removing and installing pre-exhaust pipe with diesel particle filter . . . . . . . . . . . . . . . . . . 234
1.5 Replacing middle or rear part of the exhaust system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Octavia II 2004 ➤ , Octavia II 2010 ➤
2.0/100; 103 kW TDI PD Engine - Edition 01.2018
. . . . . . . . . . . . . . . . . . . . . . . . . . 226
iii
Contents