Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 714

Note

♦

Fill the ultrasonic device up to the upper edge of the holes with

cleaner (see the magnified area of the illustration).

♦

Observe the safety precautions and the operating instructions

for the ultrasonic device.

Cleaning
– Remove the fuel injectors. Refer to

⇒ “2.2 Fuel Injectors, Removing and Installing”, page 285

 .

– The ultrasonic device must be filled with cleaning fluid.
– Install the combustion chamber fuel injectors -1- all the way

into the Mounting Plate for Injection Modules - VAS6418/1-

-2-.

– Dip the combustion chamber fuel injectors into the cleaner with

the Mounting Plate for Injection Modules - VAS6418/1- .

– Set the temperature control -4- to 50 °C (122 °F).
– Set the time control -5- to 30 minutes.
– Turn on the ultrasonic device -3-.

Note

The time begins counting down once the cleaning temperature

reaches 50 degrees.

– Always replace the combustion chamber seal (Teflon seal) af‐

ter cleaning each combustion chamber fuel injector. Refer to

⇒ “2.4 Fuel Injector Seals, Replacing”, page 288

 .

– Install the combustion chamber fuel injectors. Refer to

⇒ “2.2 Fuel Injectors, Removing and Installing”, page 285

 .

3

Air Filter

⇒ “3.1 Overview - Air Filter Housing”, page 293

 .

⇒ “3.2 Air Filter Housing, Removing and Installing”, page 294

 .

3.1

Overview - Air Filter Housing

1 - Air Guide- Lower Section

❑ On the lock carrier

2 - Air Guide- Upper Section

❑ On the lock carrier

3 - Cover

❑ For the air guide

4 - Bolt

❑ 2 Nm

5 - Seal
6 - Air Guide Hose
7 - Screw-Type Clamp
8 - Air Guide Hose
9 - Spring Clamp
10 - Bolts

❑ 1.5 Nm

11 - Air Filter Housing Upper

Section

❑ Clean off dirt, leaves

and salt residue

12 - Air Filter

❑ Use the original-air filter

element. Refer to the

Parts Catalog.

❑ For the change inter‐

vals. Refer to the

⇒ Maintenance ; Book‐

let  36.1 ; Service Work;

Service Tables .

❑ Removing and instal‐

ling. Refer to ⇒ Mainte‐

nance ; Booklet  36.1 ; Procedure Descriptions; Air Filter, Cleaning Housing and Replacing Filter .

13 - Insert

❑ For the air filter lower section

14 - Air Filter Housing Lower Section

❑ Clean off dirt, leaves and salt residue

15 - Rubber Buffer
16 - O-Ring

❑ Replace if damaged

17 - Water Drain Hose

❑ With valve
❑ Clean

18 - Air Guide

❑ On the air filter housing lower section

3.2

Air Filter Housing, Removing and Instal‐

ling

Removing
– Remove the bolts -1 and 3-.
– Open the lock in direction of -arrow- and remove the cover

-2-.

– Free up the coolant hose -2-.
– Release the locking mechanism in direction of -arrows- and

remove the air guide upper section -1-.

– Disconnect the vacuum hose -1-.
– Loosen the clamp -2- and remove the air guide hose.
– Carefully remove the air filter housing -3-.
Installing

Note

♦

Use silicone-free lubricant to mount the air guide hose.

♦

Secure hose connections with standard production clamps.

Refer to the Parts Catalog.

– Check the air guide hose (clean air side) for salt residue, dirt

and leaves.

– Check intake channels up to the air filter insert for dirt.
– Install the air filter housing.

Note

The water drain hose must be routed straight down and without

any bends.