Service bulletin 2064679/1
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10203038 |
| Published by NHTSA | 2021-11-05 |
| Manufacturer's number | 2064679/1 |
| Manufacturer's date | 2021-10-28 |
| NHTSA component | ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:SOLENOID/ACTUATOR |
NHTSA's summary
Customer statement / workshop findings Oil leaking out of the tell tale hole from the following fixings: -CDA activation/ deactivation solenoid fixings -Or Fuel rail fixings -Or Fixings for the vacuum system assembly Technical background: Shows oil leaked which had leaked from the tell tale hole at the top of the fixing. Upgraded fixings prevent oil leaks from the tell hole.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
| BENTLEY BENTAYGA | 2018, 2019, 2020, 2021, 2022 |
|---|---|
| BENTLEY CONTINENTAL GT | 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| BENTLEY CONTINENTAL GT CABRIO | 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| BENTLEY FLYING SPUR | 2018, 2019, 2020, 2021, 2022 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2083110/1 | 2026-10-07. Service bulletin. Engine Management Light - N91 Coolant Valve | Flying Spur Hybrid Technical background: Some 22MY Flying Spur Hybrid vehicles may exhibit an illuminated Malfunction Indicator Lamp (MIL) due to DTC P26B100 - Engine Coolant Bypass Valve "A" Stuck Closed being stored in the Thermal Management Control Module (00C5). When this DTC is present, the Thermal Management system displays MIL light on the DIP, resulting in DTC P162400 being stored in the Engine Control Module. A software update is available to address this condition. |
|---|---|
| 2061369/14 | 2026-09-09. Service bulletin. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649 |
| 2061369/13 | 2026-09-05. Service bulletin. Engine Overheating - Warning in the DIP | V8 Kovomo. Customer statement / workshop findings: One or a combination of the following symptoms are evident: • Engine overheat warning in the DIP (Engine overheating) • Unusual cooling fan operation at high temperatures • P19F700: Low engine coolant temperature indicator lamp coolant too warm • Signs of coolant in the vacuum hoses for switch valve N649 |
| 2081085/2 | 2026-08-06. Service bulletin. V8 Engine - Ticking Noise, Misfiring and Possible Low Oil Pressure Indications. Customer statement: The customer may report an audible ticking noise from the top of the engine, low oil pressure warnings / MIL on the Driver Information Panel, and/or misfiring during engine operation |
| 2051187/13 | 2026-08-05. Service bulletin. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Customer statement / workshop findings: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s) |
| 2068273/6 | 2026-08-03. Service bulletin. Multiple random misfires evident during PDI. |
| 2065664/6 | 2026-08-01. Service bulletin. Bentayga V8 Kovomo - Engine MIL light on - DTC “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2. Customer statement / workshop findings: DTC P004100: “O2 Sensor Signals Swapped Bank 1 Sensor 2/ Bank 2 Sensor 2 is evident within address 0001 (Engine control unit) and MIL light active after attempting to conduct a readiness test |
| 2081236/2 | 2026-08-01. Service bulletin. Loss of Cabin Heat During Engine Operation | Bentayga - V8. Customer Statement: Customers may report that the air conditioning system blows only cold air when the engine is running. Warm air is only available after switching off the engine. The concern is commonly reported after engine removal or recent repair work. |
| 2071190/4 | 2026-08-01. Service bulletin. HVAC failing to cool | DTC B16A1F0 in diagnostic address 00C5 | Bentayga Series (Hybrid). |
| 2075922/4 | 2026-08-01. Service bulletin. High pitched whistle from the engine - Warning light within the DIP - Engine not running smoothly - Numerous DTC's. Customer statement/Workshop findings: • Emission control warning light evident within the DIP • Engine not running/idling smoothly • High pitched whistle from the right and left hand side of the engine TIP: Refer to video within the Bentley Hub referencing TPI 2075922/- • A selection of DTC’s are evident (as per TPI Event memory entries) |