Service bulletin 2050334/7
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 | 10201887 |
| Published by NHTSA | 2021-10-05 |
| Manufacturer's number | 2050334/7 |
| Manufacturer's date | 2021-09-03 |
| NHTSA component | ENGINE AND ENGINE COOLING |
NHTSA's summary
Ticking noise from engine bay. Customer statement / workshop findings: Ticking noise emanating from rear of Bank 1 cylinder head Technical background: Noise from failed vacuum pump. Measure: A specific vacuum pump failure is known to create a ticking noise. This ticking noise, on initial inspection, is easily misinterpreted as a fault in the valve train or fuel injector, when in reality it is more likely to be produced by a defective vacuum pump. Therefore always ensure that this type of noise is identified precisely using a stethoscope. Specifically use the stethoscope to check the vacuum pump located at the rear of Bank 1 cylinder head, when this is found to be the origin of the noise then change the vacuum pump and retest.
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 | 2017, 2018, 2019, 2020, 2021, 2022 |
|---|---|
| BENTLEY CONTINENTAL GT | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| BENTLEY CONTINENTAL GT CABRIO | 2017, 2018, 2019, 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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|---|---|
| 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 |
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| 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. |
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| 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) |
| 2065926/6 | 2026-08-01. Service bulletin. Fuel pressure regulator - DTC P242200 with symptom code 14536 evident within address 0001. Customer statement: The warning lamp for the emission control system is displayed within the DIP |