Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 753
– Set the valve -D- to “Hold”.
– Open the nitrogen bottle -H-.
– Connect the measuring hose -G- to the self-test connection
-B-.
– Set the valve -D- to “Test”.
– Using the pressure reducer -J- adjust the pressure to 25 mbar
(10 in. H2O).
– Set the valve -D- to “Hold”.
• The pressure must now be maintained for a minimum of two
minutes.
If the pressure is not maintained, check the tester.
Fuel System, Checking for Leaks:
– Connect the -KLI 9210/55-1- to the breather lines -A- “white
markings” as illustrated.
– Connect the measuring hose -G- from the -KLI 9210- to the -
KLI9210/55-1- .
– Connect the -KLI 9210- to the vehicle battery.
– Remove right rear wheel housing liner.
– Tightly close the hose to the air filter -arrow- using a hose
clamp.
– Set the valve -D- to “Test”. The fuel system is now filled.
– Watch the pressure gauge -C- and the flow meter -E-. The fuel
system is filled if the flow rate decreases and the pressure in‐
creases to 10 in. H2O (25 mbar).
– After the pressure has stabilized, set the valve -D- to “Hold”.
• The pressure must not drop below 8 in. H2O (20 mbar) after
five minutes.
If the pressure drops or if no pressure develops, then locate the
leak as follows:
– Set the valve -D- to “Test” and fill the system with smoke.
– While the fuel system is being filled, press the smoke gener‐
ator button -I- for approximately one minute.
The fuel system is now under pressure and filled with smoke.
– Check all the lines, hoses and the fuel filler cap for escaping
smoke.
Note
♦
Illuminate components and hoses with a strong flood light, the
smoke will be more visible.
♦
An ultrasonic sensor tester or commercially available leak
spray can also be used to locate leaks.
♦
Depending on how long fault finding lasts, the smoke gener‐
ator button may need to be pressed again. This ensures there
is enough smoke present in the fuel system.
♦
The installation opening inside the passenger compartment
must be opened to check the flange on the fuel pump and fuel
filter.
– Replace any leaking hoses or components.
7
Accelerator Mechanism
⇒ “7.1 Overview - Accelerator Pedal Module”, page 79
⇒ “7.2 Accelerator Pedal Position Sensors G79 / G185 , Remov‐
7.1
Overview - Accelerator Pedal Module
1 - Bolt
❑ 6 Nm
2 - Connector
❑ Pull on the connector to
make sure it is engaged
correctly and securely.
3 - Accelerator Pedal Module -
GX2-
❑ Contains
Accelerator Pedal Posi‐
tion Sensor - G79-
Accelerator Pedal Posi‐
tion Sensor 2 - G185-
❑ Removing and Instal‐
ling. Refer to
.
7.2
Accelerator Pedal Position Sensors -
G79- / -G185- , Removing and Installing
Removing
– Fold the carpet -1- forward in the direction of the -arrow-.
– Release and remove the connector -2- from the Accelerator
Pedal Module - GX2- .
– Remove the bolt -1-.
– Remove the accelerator pedal module -3- from the mounting.
Installing
Install in reverse order of removal. Note the following:
Tightening Specifications
♦ Refer to
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