4. MARCO DE REFERENCIA
4.3 Marco contextual
4.3.1 Caracterización de la institución educativa CENTEC
Instructions for use and safety ⇒ page 53 . Brake fluid specification ⇒ page 53
Changing brake fluid ⇒ page 53 .
4.9.1 Instructions for use and safety
Note
♦ From model year 2006 a new brake fluid will be introduced.
♦ The new brake fluid can also be used for older vehicles.
♦ For this purpose it can be mixed with the previous brake fluid.
WARNING
♦ Brake fluid must under no circumstances come into con‐
tact with fluids containing mineral oils (oil, petrol, cleaning solutions). Mineral oils will damage seals and sleeves of brake system.
♦ Brake fluid is poisonous. In addition, due to its corrosive nature, it must not come into contact with paint.
♦ Brake fluid is hygroscopic, i.e. it attracts moisture from the surrounding air and therefore must always be stored in air-tight containers.
♦ Wash away spilt brake fluid using plenty of water.
♦ Do not reuse extracted (used) brake fluid.
♦ Observe disposal regulations!
4.9.2 Brake fluid specification
Permissible specifications:
♦ Brake fluid conforming to US standard FMVSS 116 DOT 4 (previous brake fluid)
♦ Brake fluid conforming to VW standard VW 501 14 (new brake fluid).
4.9.3 Changing brake fluid
Special tools and workshop equipment required
♦ Brake filling and bleeding equipment -VAS
5234-Golf 2004 ➤ , 5234-Golf Plus 2005 ➤ Maintenance - Edition 11.2009
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♦ Brake bleeding wrench -VAS
5519-♦ Brake bleeding tool -VAS
6564-– Unscrew cap -1- from brake fluid reservoir.
– Extract as much brake fluid as possible using suction hose from brake filling and bleeding equipment -VAS 5234- .
Note
The strainer in brake fluid reservoir must not be removed.
WARNING
Do not reuse extracted brake fluid!
54
4. Descriptions of workte Pro t c b ed co y y p h rig C t.
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– Screw adapter -1- onto brake fluid reservoir.
Observe ⇒ operating instructions for -VAS 5234- !
– Adjust correct pressure on brake filling and bleeding equip‐
ment -VAS 5234- : Running gear, brake systems ⇒ Running gear, brake systems; Rep. Gr. 47 ; Bleeding brake system → Bleeding brake system.
– Connect filling hose from brake filling and bleeding equipment -VAS 5234- to adapter -1-.
Note
Use an appropriate bleed hose. It must seat tightly on bleeder valve so that no air can enter the brake system.
– Remove cover cap -1- from bleeder valve of front left brake caliper.
– Push collector bottle bleeder hose -1- onto front left bleeder valve, open bleeder valve and let appropriate quantity of brake fluid run out (see table). Close bleeder valve. Torque: Running gear → Brake systems ⇒ Rep. Gr. 47 → Repairing front brake caliper.
– Fit again cover cap on bleeder valve of front left brake caliper.
Repeat procedure on right-hand side of vehicle at front.
– If necessary, unscrew both wheels on rear axle to reach the bleeder valve.
– Remove cover cap -1- from bleeder valve of rear left brake caliper.
Golf 2004 ➤ , Golf Plus 2005 ➤ Maintenance - Edition 11.2009
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– Push collector bottle bleeder hose -1- onto rear left bleeder valve.
– Open bleeder valve and let appropriate quantity of brake fluid run out (see table). Close bleeder valve. Torque: Running gear
→ Brake systems ⇒ Rep. Gr. 47 → Repairing rear brake cal‐
iper.
– Fit again cover cap on bleeder valve of rear left brake caliper.
– Repeat procedure on right-hand side of vehicle at rear.
For vehicles with manual gearbox Remove air filter housing.
Procedure
– Power unit ⇒ Rep. Gr. 23 → Diesel direct injection system → Assembly overview - air filter
Or
– Power unit ⇒ Rep. Gr. 24 → Injection system → Removing and installing air filter
Note
For technical reasons it is possible that several cross references are not directed to the correct chapter. In this case select the pro‐
cedure manually in the information.
– Push bleeder hose onto bleeder valve -arrow- of clutch slave cylinder -1-.
– Open valve and allow approx. 100 ml of brake fluid to flow out.
– Close valve and depress clutch pedal 10 to 15 times quickly in succession.
– Open valve again and allow approx. 50 ml of brake fluid to flow out.
– Close valve, remove bleeder hose and depress clutch pedal several times.
– Install air filter housing accordingly in reverse order.
Sequence and quantity of brake fluid Sequence
bleeder valves: Brake fluid quantity
which must flow out of bleeder valves:
Brake caliper
Front left 0.20 litre
Front right 0.20 litre
Wheel brake cylinder/brake caliper
Rear left 0.30 litre
Rear right 0.30 litre
Clutch slave cylinder 0.15 litre
Total quantity: approx. 1.15 litre
– Set fill lever of brake filling and bleeding equipment -VAS 5234- to position “B” (see operating instructions).
– Remove filler hose from adapter.
56
4. Descriptions of workte Pro t c b ed co y y p h rig C t.
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hole, is not pe
rmitted unless autho rised b
y Volkswagen AG.Volkswagen AG does not g
uarantee or ac
cept a nylia
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with re
sp ect to
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tion
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– Unscrew adapter from brake fluid reservoir.
– Check brake fluid level and correct if necessary. It must be between position -1- and -2-.
– Screw on cap -1- of brake fluid reservoir.
– Perform functional check during road test.
– If necessary, reinstall rear wheels ⇒ page 112 .