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Service bulletin 2028808.7

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10244613
Published by NHTSA2023-11-06
Manufacturer's number2028808.7
Manufacturer's date2023-10-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Service info: Engine oil Specific oil type and oil consumption reference Customer Statement: -Engine oil level requires top up between services

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

Vehicles listed
BENTLEY CONTINENTAL2012, 2013, 2014
BENTLEY CONTINENTAL CONVERTIBLE2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
BENTLEY CONTINENTAL FLYING SPUR2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
BENTLEY CONTINENTAL GT2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
BENTLEY CONTINENTAL GT CABRIO2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
BENTLEY FLYING SPUR2012 to 2013
BENTLEY FLYING SPUR2014
BENTLEY MULSANNE2012, 2013, 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
2051187/132026-08-05. 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)
2028808/102026-07-31. Service bulletin. Service info: Engine oil – Specific oil type and oil consumption reference.
2028794/102026-07-29. Service bulletin. Engine coolant mixture - Restrictions on use of desalinated water.
2047762/52026-06-03. Service bulletin. Continental Series and Flying Spur - Camshaft Timing Over Advanced - V8T Customer statement / workshop findings: Check engine warning lamp illuminated on Drivers Instrument Panel. DTC’s stored within the Engine Control Module (ECM)
2064337/42025-11-07. Service bulletin. Usage of E10 fuel. Condition In the event a customer asks if E10 fuel can be used, the operative must refer to the Technical background section of this TPI.
2028808/92025-11-06. Service bulletin. Service info: Engine oil - Specific oil type and oil consumption reference. Technical Background: The use of the correct oil for each engine type is critical for its continued performance, reliability and ultimately warranty. The workshop manual should always be the first point of reference, ensuring the correct lubricant is used for each specific model year and engine type Should oil be required the parts catalogue must be referred to ensuring the correct VIN is always used when ordering
2051187/122025-11-06. Service bulletin. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Condition: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s)
2028794/92025-11-06. Service bulletin. Engine coolant mixture - Restrictions on use of desalinated water. Technical Background: An important factor of influencing the cooling system efficiency is the water used in the mixture Due to the different ingredients and characteristics existing in each country or even region, Bentley has decided to define the quality of water for cooling systems
2075786/22025-10-30. Service bulletin. Airbag, fire, accident (safety-related enquiry - reporting forms). There is a reporting obligation in the following cases: • Airbag/belt released/not released • General accident • Fire and scorching damage for all Bentley Vehicle models - every model year.
2051187/112025-05-07. Service bulletin. Poor Engine Running Complaints (Misfires) Petrol Engines Only. Condition: • Poor engine running • Reduced power • Engine warning lamp illuminated • Symptom related DTC’s evident within the applicable engine control unit(s)