2021-2023 Audi Q5 Cylinder Head Cover Oil Leak TSB

Audi has released Technical Service Bulletin (TSB) 2072716/3 to address concerns regarding oil residue and leaks on the cylinder head cover of certain 2021-2023 Audi Q5 vehicles equipped with the 2.0L TFSI engine. This TSB, issued on June 12, 2024, supersedes previous bulletin Group 15 number 24-49 dated May 16, 2024.

The TSB provides guidance for technicians to diagnose and repair the issue, ensuring proper resolution for owners experiencing this condition. The primary concern is the presence of oil residue on the cylinder head cover, which can be a sign of a leak.

Symptoms

Owners of affected Audi Q5 vehicles may notice the presence of "oil residue on the cylinder head cover." This residue is typically visible around the threaded connections of one or more bolts on the cylinder head cover. The presence of this "Audi Q5 cylinder head cover oil residue" indicates a potential leak.

Diagnosis / Trigger Conditions

The root cause identified in TSB 2072716/3 is that the "cylinder head cover is leaking" due to loose bolts. These bolts can become loose because of burrs that form during the threading process of the screw manufacturing. These burrs prevent the bolts from seating correctly, leading to a compromised seal and subsequent oil leakage.

Audi's production solution involved an adjustment and verification of the tool used for material feeding by the screw supplier to prevent these burrs from occurring in new production.

Repair Procedure Summary

For vehicles exhibiting "Audi Q5 cylinder head cover oil residue," the service procedure outlined in TSB 2072716/3 involves replacing the affected bolt(s). Technicians are instructed to identify the specific bolts that are leaking and replace them to resolve the issue. It is crucial to ensure that replacing the bolts successfully remedies the leaking condition.

Warranty Information

This repair may be covered under Audi's warranty program. For eligible vehicles, the claim type is 110, covering up to 48 months or 50,000 miles. Certified Pre-Owned (CPO) vehicles may also be covered under claim type G10, subject to owner verification. If the vehicle is outside of any applicable warranty, this Technical Service Bulletin serves as informational guidance only.

The service number for this bulletin is 1570, with a damage code of 0050. Various labor operations are specified, including removing and installing the engine cover (1083 1900), ignition coils (2820 19xx, 2820 20xx), securing the camshaft housing (1503 1399), and engine cleaning (1001 2952). Diagnostic time for road tests before and after the service procedure is listed as no allowance (0 TU).

All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual. The claim comment should reference TSB 2072716/2.

Important Warnings

Audi advises technicians to "Please ensure that replacing the bolts remedies the leaking." This emphasizes the importance of verifying the repair's effectiveness to prevent recurrence of the "Audi Q5 cylinder head cover oil residue" issue. Owners should be aware that if their vehicle is outside the warranty period, this TSB is for informational purposes only, and repair costs may apply.

NHTSA ID: 11002891