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Manufacturer communication · Service bulletin

Audi bulletin A1024282059446_7

What it saysThis bulletin provides information when oil is lost from the filler cap. NHTSA’s full summary ↓

Audi filed this with NHTSA as a service bulletin dated Oct 8, 2024, received Nov 6, 2024, about the engine. It names 29 model years (2017–2020). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

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What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

This bulletin provides information when oil is lost from the filler cap.

Kind Service bulletin Manufacturer date Oct 8, 2024 Received by NHTSA Nov 6, 2024 Components Engine

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
A1024282059446_7Service bulletinOct 8, 202411009927PDF

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.

Model years it names

Source: as the manufacturer filed them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

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A weekly email, sent only in a week when Audi files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.

What owners reported

Source: NHTSA complaint database

Owners of the 29 model years this bulletin names have filed 1,134 complaints with NHTSA since 2015. 274 of them name Engine — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.

[B9 SQ5 - EA839 3.0T V6 CWGD] - Remove Front Bumper & Activate Radiator Support Service Position - Drain Cooling System - Remove & Replace Water Pump, Thermo- Pneumatic Valve, & Vacuum Line Set w/ Solenoids & All Necessary Hardware - Remove & Replace Thermostat Assembly w/ Seal - Remove & Replace Both Accessory Drive Belts - Fill & Bleed…

2018 Audi SQ5 · Engine · filed with NHTSA Oct 22, 2026 · ODI 11773007

Upon starting the vehicle while parked on 10/18/2025, dashboard displayed warning: "Turn off engine and check coolant level. See owner's manual." Visual inspection revealed coolant residue on mechanical coolant pump switching valve N649 on cylinder head bank 1, indicating water pump internal seal failure allowing coolant to leak into…

2019 Audi S5 · Engine · filed with NHTSA Dec 5, 2025 · ODI 11703321

An Audi dealer has just diagnosed my 2018 S5 Cabriolet Prestige with vacuum system contamination caused by water pump failure. I had requested the diagnostic due to small coolant leaks on the engine and loss of coolant in the expansion tank. No warning lights and no overheating yet. Not yet aware of any loss of performance.

2018 Audi S5 · Engine · filed with NHTSA Dec 14, 2025 · ODI 11704929

In depth: 2017 Audi Q7 engine problems →

A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.

More bulletins about the engine

Source: same model, same component group

254 other manufacturer communications filed against these Audi models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Audi list.

NumberKindDatedNHTSA’s summary
TSB_2079927_3Service bulletinSep 30, 2026This bulletin provides information when the exhaust emissions warning lamp lights up; DTC P050A; 2.0 ltr 4-cyl.
TSB_2083393_1Service bulletinSep 25, 2026This bulletin provides information when the starter/generator drive belt is noisy or came off.
TSB_2079911_4Service bulletinSep 25, 2026This bulletin provides information when the MIL is on; DTC P050600 with Symptom 4008 stored in ECM V6 TFSI.
TSB_2078914_6Service bulletinSep 25, 2026This bulletin provides information when the MIL is on; DTC P064F00 stored in the ECM.
TSB_2069531_2Service bulletinSep 25, 2026This bulletin provides information when the MIL is on, EVAP pressure/temp sensor incorrect DTC displayed: P202400, P045000, P045200, P24D600…
TSB_2078849_3Service bulletinSep 23, 2026This bulletin provides information regarding an oil change when replacing the engine control unit.
TSB_2083287_1Service bulletinSep 18, 2026This Pending Service Solution (PSS) requests that technicians create a record in the PSS database when DTC P001400 camshaft position is stor…
TSB_2081030_4Service bulletinSep 14, 2026This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.

Quote the number at the service desk. It is what the dealer’s system is keyed on.

Every manufacturer communication NHTSA holds for Audi, by the number printed on the letter.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Audi A1024282059446_7 a recall?

No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the A1024282059446_7 repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.

Which vehicles does A1024282059446_7 cover?

The manufacturer filed it against 29 model years: 2020 Audi A6, 2019 Audi A6, 2018 Audi A6, 2017 Audi A6, 2020 Audi A7, 2019 Audi A7 and more. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.