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Disassembling and assembling top part of intake manifold - valid ? 07.97 > < Overview of fitting locations 08.97 ?

Octavia Mk1

Repairing the injection part
Repairing the injection part
Repairing the ignition part → Chapter
  Note
t  The control unit for the injection and ignition system is equipped with a fault memory. Before repairs, setting operations and fault finding interrogate the fault memory and inspect the vacuum connections (unmetered air).
t  Do not use sealants containing silicone. Traces of silicone elements drawn in by the engine are not burnt in the engine and damage the lambda probe.
t  Components marked with an * are checked by the self-diagnosis unit → Chapter.
t  Components marked with an ** are checked by the actuator diagnosis unit → Chapter.
t  A minimum voltage of 11.5 V is required for perfect functioning of the electrical components.
t  If after fault finding, repair or inspection of components the engine starts briefly and then stops, it is possible that the immobiliser blocks the 4AV control unit. Then interrogate the fault memory and if necessary adapt the control unit → Chapter.
t  Certain inspections may cause the control unit to detect and store a fault. It is therefore necessary to interrogate the fault memory after having completed all inspections and repairs, and if necessary delete → Chapter.
t  Always replace clamp-type clips with screw clips.
Safety measures → Chapter.
Cleanliless rules → Chapter.
Technical data → Chapter.
Testing the intake system for tightness (unmetered air) → Chapter.
   
Valid ? 07.97
1 - M6 = 10 Nm, M8 = 20 Nm
2 - Ignition lead guide
3 - 25 Nm
4 - Connector
q   black, 2 pin
q   for intake air temperature sender -G42 -
5 - Intake air temperature sender - G42-*
6 - O-ring
q   replace if damaged
7 - Air intake hose
8 - Warm-type clamp
9 - Connector
q   3-pin
q   for air mass meter -G70-
10 - Air mass meter -G70-*
11 - Air filter
q   disassembling and assembling → Chapter
12 - Induction pipe
13 - Support
q   for throttle control cable
14 - Rubber top mount
15 - Support
q   for intake manifold, at cylinder head with screw thread
16 - Throttle valve control unit -J338-*
17 - Vacuum hose
q   to top part of the intake manifold
18 - Cable guide
q   clipped on to fuel rail
19 - Motronic control unit -J220-*
q   for injection system, lambda regulation, camshaft adjustment valve, activated charcoal filter system solenoid valve, knocking regulation, speed limiter, ignition as well as self-diagnosis
q   Fitting location: at centre of plenum chamber
q   Check supply voltage → Chapter
q   when replacing, perform adaptation to the throttle valve control unit → Chapter
q   when replacing, perform adaptation to the electronic immobiliser → Chapter
20 - Connector
q   insert or remove plug when the ignition is switched off
q   unlock to remove
21 - Fixing plate
22 - Gasket
q   replace
23 - 10 Nm
24 - Bottom part of intake manifold
q   disassembling and assembling → Chapter
25 - Connector
q   4-pin
q   Cable of socket 1 and cable of socket 3 for -G62-
26 - Retaining clip
27 - Coolant temperature sender - G62-*
q   with coolant temperature gauge sensor -G2-
q   Identification: yellow ring
q   before removing, reduce pressure in cooling system if necessary
q   check → Chapter
28 - O-ring
q   replace if damaged
29 - 3-pin plug connection
q   for engine speed sender -G28-
30 - Fuel feed line
q   secure hose with spring strap clip
q   hose with a white marking
31 - Fuel return-flow line
q   secure hose with spring strap clip
q   hose with a blue marking
32 - Engine speed sender -G28-*
q   Fitting location: Cylinder-block intake side
q   check → Chapter
33 - Lambda probe -G39-*, 55 Nm
q   Fitting location: exhaust tube front
q   Only grease the thread with -G5-; -G5- must not come into contact with the slots of the probe body
q   Test lambda probe and lambda control → Chapter
q   Power supply of probe heating via fuel pump relay - J17-
q   Check lambda probe heater → Chapter
34 - 4-pin plug connection
q   for lambda probe -G39- and heating for lambda probe -Z19-
q   attached to the vehicle floor on the right next to the lambda probe below a cap
35 - Fuel rail with injection valves */**
36 - Top part of intake manifold
disassembling and assembling → Anchor

   
Valid 08.97 ?
1 - 10 Nm
2 - Intake manifold cover
3 - 20 Nm
4 - Rubber top mount
5 - Support
q   for intake manifold, at cylinder head with screw thread
6 - 25 Nm
7 - Air intake hose
8 - Warm-type clamp
9 - Connector
q   5-pin
q   for air mass meter -G70- and intake air temperature sender -G42-
10 - Air mass meter -G70-* and intake air temperature sender -G42-*
11 - Air filter
q   disassembling and assembling → Chapter
12 - Induction pipe
13 - Fuel pressure regulator
14 - Throttle valve control unit -J338-*
15 - Non-return valve
q   for vacuum reservoir, which is integrated into the intake manifold
q   pay attention to correct fitting position; the valve does not function if it is incorrectly assembled, otherwise reduced acceleration
16 - Shift linkage
q   for variable intake manifold changeover
17 - Vacuum unit
q   for variable intake manifold changeover
18 - Fuel rail with injection valves */**
19 - Motronic control unit -J220-*
q   for injection system, lambda regulation, camshaft adjustment valve, activated charcoal filter system solenoid valve, knocking regulation, speed limiter, ignition as well as self-diagnosis
q   Fitting location: at centre of plenum chamber
q   Checking voltage supply → Chapter
q   when replacing, perform adaptation to the throttle valve control unit → Chapter
q   when replacing, perform adaptation to the electronic immobiliser → Chapter
20 - Connector
q   insert or remove plug when the ignition is switched off
q   unlock to remove
21 - Fixing plate
22 - 10 Nm
23 - Plug connection fuse
q   for connector for injection valves
24 - Connector
q   for hall sender -G40-
25 - Connector
q   for injection valves -N30- to -N33-
26 - Bottom part of intake manifold
q   disassembling and assembling → Chapter
27 - Coolant temperature sender - G62-*
q   with coolant temperature gauge sensor -G2-
q   Identification: yellow ring
q   before removing, reduce pressure in cooling system if necessary
q   check → Chapter
28 - Retaining clip
29 - Connector
q   4-pin
q   Cable for -G62- in socket 1 and 3
30 - 3-pin plug connection
q   for engine speed sender -G28-
31 - Engine speed sender -G28-*
q   Fitting location: Cylinder-block intake side
q   check → Chapter
32 - Lambda probe -G39-*, 55 Nm
q   Fitting location: exhaust tube front
q   Only grease the thread with -G5-; - G5- must not come into contact with the slots of the probe body
q   Test lambda probe and lambda control → Chapter
q   Power supply of probe heating via fuel pump relay -J17-
q   Check lambda probe heater → Chapter
33 - 4-pin plug connection
q   for lambda probe -G39- and heating for lambda probe -Z19-
q   attached to the vehicle floor on the right next to the lambda probe below a cap
34 - Cable guide
q   screwed on with fuel distributor at bottom part of the intake manifold
35 - Lock catches
q   for shift linkage of variable intake manifold changeover
36 - Valve for variable intake manifold changeover -N156-
37 - Connector
q   for variable intake manifold changeover valve -N156-
38 - Top part of intake manifold
q   disassembling and assembling → Chapter

   

Disassembling and assembling top part of intake manifold - valid ? 07.97 > < Overview of fitting locations 08.97 ?