General, Technical Data; Brake Allocation Of Pr Codes; General Information; Sample Vehicle Data Label - Audi Q7 2007 Repair Manual

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General, Technical Data

1

Brake Allocation of PR Codes

(Edition 03.2018)
⇒ "1.1 General Information", page 1
⇒ "1.2 Sample Vehicle Data Label", page 1
⇒ "1.3 Brakes, Specifications", page 1
1.1

General Information

The ABS brake system is divided diagonally (two circuits). The
brake booster is pneumatically controlled by the vacuum brake
booster.
The brake system installed in a vehicle is documented on the ve‐
hicle data sticker via the relevant PR number.
1.2

Sample Vehicle Data Label

The following brakes are installed in this example:
♦ Arrow -A- model.
♦ Arrow -B- front brakes -1LF.
♦ Arrow -C- rear brakes - 1KF.
The vehicle data label can be found in the spare wheel well as
well as in the Maintenance booklet.
The following table shows the meaning of the PR numbers. These
are important for combination brake caliper/brake disc/brake
drum and brake pad.
♦ Allocation. Refer to the Parts Catalog.
1.3

Brakes, Specifications

Note
Hairline cracks on brake rotor friction surfaces are often ob‐
♦
served during brake repairs. Hairline cracks up to 10 mm long
are not a technical flaw and are not cause for brake rotor re‐
placement.
Brake rotors with friction surfaces that have worn through
♦
should be replaced.
Front Brakes, 18" Brembo
Production Number.
PR-Nr
Brake caliper
Brake pad, thickness,
without backing plate
Brake pad, wear limit
without back plate
Brake rotor
Brake rotor, thickness
1LF
Brembo 18"
mm 11
mm 2
di‐ 350 mm
ame‐
ter in
mm
mm 34
Brake System - Edition 03.2018
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Audi Q7 2007 ➤
1. Brake Allocation of PR Codes
1