Applies to
DB11 (2016-2023).
Variants: V12.
VIN applicability: Refer to the separately published list of Aston Martin VINs in the source document.
Years beside model names identify production generations, not confirmed affected years. For a specific car, confirm the VIN with Aston Martin or an authorised specialist. Do not assume every vehicle in the model family is affected.
Issue and owner context
Aston Martin documents water collecting at the coil-pack seal when a DB11 V12 is parked in rain, potentially causing a misfire, and provides a water-shield retrofit kit.
Reported symptoms
- Water reaching ignition components through bonnet vents
- Misfire associated with bonnet-vent water ingress
Documented cause
Water can enter through the bonnet vents, collect on the coil-pack seal, and reach the spark-plug breather pipe as the engine cools.
Aston Martin's repair
Aston Martin supplies a single retrofit kit and instructs technicians to attach water shields to both bonnet vents.
Factory labour time: 0.1 hours. Confirm all diagnostic, parts, and dealer charges separately.
| Part or tool | Description | Quantity |
|---|---|---|
HY53-16C629-AA | Bonnet-vent water-shedder service retrofit kit | — |
Factory document
Factory document
SA-03-1159V2
Bonnet Vent Water Shields
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Sources and evidence
Confirmed factory information
The document record below was checked against the named source. Aston Martin is the publisher of the factory document.
The local copy preserves the original PDF bytes. VIN applicability is defined by a separately published Aston Martin list and must be checked before work.
- Aston Martin: SA-03-1159V2, Bonnet Vent Water Shields.
- Original source document ↗
Aston.club summary
This page summarises the document's owner-facing relevance. Use the preserved source for its full applicability, repair procedure, and limitations.