Audi A6 2005 Workshop Manual page 18

Audi A6 2005 ➤ , Audi A6 Avant 2005 ➤
Brake system - Edition 04.2019
♦ 2. Wear assessment according to wear indicators
1. Wear assessment by checking thickness of brake disc
Thickness of brake discs in permissible range → brake disc OK
Brake disc thickness in critical
range min. Th + 0.2 mm
↓↓
Further wear assessment ac‐
cording to wear indicators
↓↓
2. Wear assessment according to wear indicators
None of the six wear indicators fully worn out → brake disc OK
----------
---------
----------
Note
Depending on the version, the minimum permissible weight for a
used brake disc is stamped on the brake disc hub. The disc must
be renewed when the weight of the disc is less than or equal to
the indicated minimum weight.
Caution
If the minimum permissible weight of the disc is indicated on
the hub of the disc ("min. weight"), the disc must be additionally
weighed to assess the amount of wear. The disc must be re‐
newed when the weight of the disc is less than or equal to the
indicated minimum weight.
Brake disc with minimum weight stamped on hub:
To assess the wear of the brake disc, proceed as follows:
♦ 1. Wear assessment by checking thickness of brake disc
♦ 2. Wear assessment according to wear indicators
♦ 3. Wear assessment by weighing brake disc
1. Wear assessment by checking thickness of brake disc (if
minimum weight is stamped on hub)
Thickness of brake discs in permissible range → brake disc OK
Brake disc thickness in critical
range min. Th + 0.05 mm
↓↓
Further wear assessment ac‐
cording to wear indicators
↓↓
2. Wear assessment according to wear indicators
None of the six wear indicators fully worn out → brake disc OK
----------
12
Rep. gr.00 - Technical data
⇒ page 13
Value at or below limit
↓↓
Renew brake disc.
----------
⇒ page 14
One of the six wear indicators
fully worn out
↓↓
Renew brake disc.
⇒ page 13
Value at or below limit
↓↓
Renew brake disc
----------
⇒ page 14
One of the six wear indicators
fully worn out