2009 Audi A4 (B7 8H) — Repair Solution

2.0L CDNC 4cyl 16v DOHC VVT Turbo Direct Inj Petrol · Noise In Engine · Engine

Audi A4 (B7 8H) Noise In Engine Engine Diagnostic Sequence Available

Vehicle Details

Make: Audi
Model: A4 (B7 8H)
Year: 2009
Engine: 2.0L CDNC 4cyl 16v DOHC VVT Turbo Direct Inj Petrol
Area: Engine
Category: Noise In Engine

Customer Complaint

Screaming noise from engine bay.


Problem Summary

Vehicle came in to check why after about 2 minutes running and idling “mainly if stuck in traffic” a chirping sound was evident from a belt slipping.

Vehicle had a new belt and a idler/tensioner pulley assembly fitted because of this issue.

Diagnostic Sequence

The step-by-step diagnostic process used to identify this fault is available to TaT members.

Unlock with Free Trial

Fault Description

The detailed fault description and root cause analysis for this 2009 Audi A4 (B7 8H) is available to TaT members.

Unlock with Free Trial

Verified Repair Solution

The confirmed repair procedure for this 2009 Audi A4 (B7 8H) is available to TaT members. Includes the verified fix and technician tips.

Unlock with Free Trial

Quick Facts

CodeAUDB709126
Vehicle2009 Audi A4 (B7 8H)
Engine2.0L CDNC 4cyl 16v DOHC VVT Turbo Direct Inj Petrol
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

Need the Full Fix?

Get the complete diagnostic sequence, verified solution, and technician tips.

More Audi Repair Solutions

2015 Audi Q3 (8U 8U) 2.0L CCZC 4cyl 16v DOHC VVT Turbo Direct Inj Petrol Auto · Touchscreen / Display Faults 2020 Audi SQ5 (8R) 3.0L CWGD 6cyl 24v DOHC Turbo Direct Inj Petrol · Vacuum / Intake Leak 2009 Audi TTS (8J 8J) 2.0L CDLB 4cyl 16v DOHC Turbo Direct Inj Petrol Auto · ABS Light On 2009 Audi A5 (8T 8T) 3.2L CALA 6cyl 24v DOHC VVT Direct Inj Petrol Auto · Engine Not Cranking 2018 Audi Q5 (8R 8R) 2.0L DETA 4cyl 16v DOHC Turbo CRD Diesel Auto · Multiple Electrical And Electronic System Failure 2017 Audi Q3 (8U 8U) 2.0L CUVC 4cyl 16v DOHC Turbo Direct Inj Diesel Auto · Check Engine Light / MIL - On

Access the Full Repair Solutions Database

Unlock 6,127 verified repair solutions with complete diagnostic details, confirmed fixes, and technician tips.

© 2026 The Automotive Technician (TaT) — www.tat.net.au