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– Determine thickness of outer pad by checking visually.
– Illuminate inner pad with an electric hand torch and mirror.
– Determine thickness of inner pad by checking visually.
a - Inner and outer pad thickness without backplate
Wear limit: 2 mm
The brake pads have reached their wear limit at a pad thickness
of 2 mm (without backplate) and must be renewed (repair meas‐
ure). Inform customer!
Note
♦
When replacing brake pads, always check brake discs as well
for wear!
♦
Checking and if necessary replacing the brake discs is a repair
measure.
– Check brake disc for wear ⇒ Brake system ⇒ Rep. gr. 46 ⇒
Repairing rear brakes
Condition of brake discs: Check
Check all brake discs for the following damage pattern:
♦ Cracks
♦ Scoring
♦ Rust (no surface rust)
♦ Degree of wear at the ridge along the circumference
Note
Inform customer if brake disc damage is similar to these damage
patterns. Renewing the brake discs is a repair measure.
4.15
Brake system and shock absorbers:
Perform visual check for leaks and dam‐
age
Check following components for leaks and damage:
♦ Brake master cylinder
♦ Hydraulic unit
♦ Brake pressure regulator and
♦ Brake calipers
♦ Shock absorbers (during inspection only)
♦ Presence of dust caps on brake fluid bleeder valves
– Ensure that brake hoses are not twisted.
– Additionally ensure that brake hoses do not touch any vehicle
components when steering is at full lock.
– Check brake hoses for porosity or brittleness.
– Check brake hoses and lines for chafing.
– Check brake connections and fastenings for correct seating,
leaks and corrosion.
Touareg 2003 ➤
Maintenance - Edition 11.2011
62
4. Descriptions of work
