Get Descriptions of work -> Checking thickness of pads/linings on front and rear brakes and condition of brake discs/drums Guide for Volkswagen Taigo SUV First Generation (2021-2025)

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

– Push collector bottle bleeder hose -1- onto rear left bleeder

valve.

– Open bleeder valve and let appropriate quantity of brake flu‐

id run out (see table). Close bleeder valve. Torque: ⇒ Brake

systems; Rep. gr. 47.

– Fit again cover cap on bleeder valve of rear left brake cylin‐

der.

– Repeat procedure on rear right of vehicle.

Bleeding clutch slave cylinder

Note

Applies only to vehicles with manual gearbox.

– If the bleeder valve -arrow- is not accessible, remove com‐

plete air filter housing.

– ⇒ Rep. gr. 23; Air filter; Removing and installing air filter

housing

– ⇒ Rep. gr. 24; Air filter; Removing and installing air filter

housing

– Remove dust cap from bleeder valve -arrow-.

– Connect bleeder hose to bleeder valve and to pressure hose

of fluid collector bottle.

To bleed system, use 670 mm long bleeder hose -V.A.G.

1238 B3-, if necessary.

– Open bleeder valve.

– Allow approx. 100 ml of brake fluid to flow out.

4. Descriptions of work

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

– Close bleeder valve.

– Quickly press and release pedal from stop to stop 10 to 15

times.

– Open bleeder valve.

– Allow another 50 ml of brake fluid to flow out.

– Close bleeder valve and fit dust cap.

Specified torque

Bleeder valve

4.5

– Depress clutch pedal several times after completion of

bleeding process.

– Switch off brake filling and bleeding unit.

– Reinstall air filter housing in reverse order of removal.

– Take filler hose off adapter.

– Unscrew adapter from brake fluid reservoir.

– Check brake fluid level and adjust level if necessary. It must

be between position -1- and -2-.

– Screw cap -1- onto brake fluid reservoir.

– Check function during road test.

Table - Sequence and quantity of brake fluid

Sequence

Brake fluid quantity

bleeder screws

which must flow out of bleeder screws

Brake caliper

Front left

Front right

0.20 l

4. Descriptions of work

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

Sequence

Brake fluid quantity

bleeder screws

which must flow out of bleeder screws

Wheel brake cylinder/brake caliper

Rear left

Rear right

0.30 l

Clutch slave cylinder

0.15 l

Total quantity for automatic gearbox including

the quantity extracted from the brake fluid res‐

ervoir

approx. 1.00 l

Total quantity for manual gearbox including

the quantity extracted from the brake fluid res‐

ervoir

approx. 1.15 l

4.10

Brake system and shock absorbers: in‐

specting for leaks and damage

Check following components for leaks and damage:

♦ Brake master cylinder

♦ Brake servo (for anti-lock brake system: hydraulic unit)

♦ Brake pressure regulator and

♦ Brake caliper

♦ Shock absorbers (during inspection only)

♦ Presence of dust caps on brake fluid bleeder screws

♦ Presence of caps on guide bushes

– Ensure that brake hoses are not twisted.

– Additionally ensure that brake hoses do not touch any vehi‐

cle components when steering is at full lock.

– Check brake hoses for abrasion, porosity and brittleness.

– Check brake lines for corrosion.

– Check brake connections and fastenings for correct seating,

leaks and corrosion.

– Check brake lines and brake hoses for correct seating and

attachment in retainers.

Note

Faults found must always be rectified (repair measure).

4.11

Brake fluid level: checking

CAUTION

Risk of skin injury from corrosive brake fluid.

Risk of irritation and injury to skin.

– Avoid contact with the skin.

4. Descriptions of work

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

NOTICE

Risk of damage to vehicle from corrosive brake fluid.

Possible damage to paintwork and vehicle.

– Avoid contact with components and paintwork and if nec‐

essary rinse off any spilt brake fluid with water.

NOTICE

Risk of damage to brake system if brake fluid is used incor‐

rectly.

Mineral oils damage plugs and sleeves of the brake system.

– Do not mix fluids containing mineral oil (oil, petrol, cleaning

solution) with brake fluid.

NOTICE

Brake fluid is hygroscopic, i.e. it absorbs moisture from the

ambient air.

If the water content in the brake fluid is too high, the brake

system could fail, and it promotes corrosion within the brake

system.

– Store brake fluid in air tight containers.

Brake fluid level at delivery inspection

– At delivery inspection, the fluid level must be at MAX. mark‐

ing -1-.

Note

To prevent brake fluid from flowing out of the reservoir, the

MAX. marking -1- must not be exceeded.

Brake fluid level at inspection service

Note

♦ The fluid level must always be judged in conjunction with

lining/pad wear.

♦ When vehicle is in use, fluid level tends to drop slightly due

to lining/pad wear and automatic adjustment.

4. Descriptions of work

Polo 2018 ➤, Polo 2022 ➤, Taigo 2022 ➤

Maintenance - Edition 10.2021

Recommended brake fluid level “before” brake pads are at wear

limit

•

At MIN marking or just above -2-

“replenishing is NOT required”.

Recommended brake fluid level, brake pads new or well within

wear limit:

•

Between MIN and MAX markings

Note

If the fluid level is below MIN. marking -2-, the brake system

must be checked for leaks before fluid is topped up, “Repair

measure”.

4.12

Checking thickness of pads/linings on

front and rear brakes and condition of

brake discs/drums

Front disc brake pads: checking thickness ⇒ page 72

Rear disc brake pads: checking thickness ⇒ page 73

Rear drum brake pads: Checking thickness ⇒ page 74

Brake discs: checking condition ⇒ page 75

Special tools and workshop equipment required

♦ Torque wrench

♦ Battery lamp -VAS 6901-

♦ Mirror

The adapter to loosen and tighten the anti-theft wheel bolts can

be found in the vehicle tool kit ⇒ page 133 .

4. Descriptions of work

Descriptions of work -> Checking thickness of pads/linings on front and rear brakes and condition of brake discs/drums for Your Volkswagen Taigo SUV First Generation (2021-2025)

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