Service bulletins for the 2021 Audi S8
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1150 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Water pump are shown. Show all
| A2024672073032_1 | 2024-04-04. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This bulletin provides information for when the MIL is on, DTC P148D00 and P044200; leak diagnostic pump. |
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| A1924522065040_4 | 2024-03-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP; UNKNOWN OR OTHER. This bulletin provides information when the coolant warning light is on or when the coolant pump is replaced due to a coolant leak. |
| A1922302065040_2 | 2022-09-01. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This bulletin advises to ensure that full diagnosis is completed on supporting systems prior to replacing the coolant pump. |
| A1921252065040_1 | 2021-12-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. This informational bulletin states to check for fluid or residue in the control line when a coolant pump is replaced, this indicates if further repairs need to be undertaken. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.