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Dismantling and assembling fuel manifold with injectors >
< General notes on injection
Golf Mk3
Power unit
1AV fuel injection and ignition system
Mixture preparation system, electronic inj.,Gas / Servicing injection system
Removing and installing parts of the injection system
1AV fuel injection and ignition system
Servicing injection system
Removing and installing parts of the injection system
To warm air intake
◆
To warm air collecting plate on exhaust manifold
To oil separator
Air cleaner
◆
Removing ,
Fig.
3
◆
Dismantling and assembling => Page
24-15
Connector
◆
4-pin
◆
For intake manifold pressure sender (G71) with intake air temperature sender (G42)
Connector
◆
8 pin
◆
For throttle valve control part (J338)
Cable guide
◆
Clipped on fuel manifold
10 Nm
Fuel manifold with injectors
◆
Dismantling and assembling => Page
24-12
Return hose connection
Supply hose connection
To brake servo
Vacuum hose
Supply hose
◆
Secure with spring-type clips on fuel manifold
◆
Black or white markings
Return hose
◆
Secure with spring-type clips on fuel manifold
◆
Blue or blue markings
20+1 Nm
◆
Tighten bolts from inside to outside
◆
Ensure tightening torque is correct, otherwise the intake manifold bushes will work into the cylinder head
Intake manifold
◆
Dismantling and assembling => Page
24-13
O ring
◆
Renew
Thermostat housing
O ring
◆
Renew if damaged
Coolant temperature sender (G62)*
◆
With coolant temperature gauge sender (G2)
◆
Identification: yellow ring
◆
If necessary before removing, release pressure from cooling system
◆
Checking
◆
Resistance graph
, Fig.
1
Connector
Retaining clip
Lambda probe (G39)*, 55 Nm
◆
Location: In front exhaust pipe
◆
Grease only the threads with "G5"; "G5" must not get into the slots on the probe body
◆
Checking Lambda probe and Lambda control
=> Page
24-24
◆
Checking probe heating voltage supply => Page
24-28
◆
Check probe heating for continuity
4 pin connector
◆
For Lambda probe and Lambda probe heating
◆
Secured to rear engine mounting on right, in direction of travel
To fuel tank
From fuel supply unit in fuel tank
Connector
◆
Only disconnect or connect with ignition switched off
Engine control unit*
(control unit for 1AV fuel injection and ignition system -J382)
◆
For injection system, Lambda regulation, activated charcoal filter solenoid valve, knock control, governed speed, ignition and self-diagnosis
◆
Location: in plenum chamber, right
◆
Checking voltage supply => Page
24-64
If the control unit is replaced:
◆
Perform basic settings => Page
24-20
◆
Match control unit to electronic immobilizer => Page
24-67
Securing plate
10 Nm
Power unit
1AV fuel injection and ignition system
Mixture preparation system, electronic inj.,Gas / Servicing injection system
Removing and installing parts of the injection system
Dismantling and assembling fuel manifold with injectors >
< General notes on injection