2053350-1

Technical product information
Topic
Market area
Brand
Transaction No.
Level
Status
Release date
W12 - Oil leak from engine
Bentley: worldwide (2WBE),Hongkong-Macau (5HK)
Bentley
2053350/1
EH
Approval
New customer code
Object of complaint
Complaint type Position
whole vehicle -> vehicle areas -> engine compartment leaks -> oil leak
Vehicle data
New Continental GT
Sales types
Type MY Brand Designation Engine code Gearbox code Final drive code
3S3* 2018 E
*
*
*
3S3* 2019 E
*
*
*
Bentayga
Sales types
Type
4V1*
4V1*
4V1*
MY
2017
2018
2019
Brand Designation Engine code Gearbox code
E
*
*
E
*
*
E
*
*
Documents
Document name
master.xml
Final drive code
*
*
*
Technical product information
W12 - Oil leak from engine
Transaction No.: 2053350/1
Customer statement / workshop findings
Oil leak from engine area.
Technical background
The breather return line and the oil dipstick tube O–rings can split causing an external oil leak.
This can be misdiagnosed as the engine sump leaking.
Production change
*
Measure
If an engine oil leak is found from the area shown in Figure 1, check the O-rings of both the breather return line and the dipstick tube for leakage. The
oil can run down the engine and settle on the sump leading to misdiagnosis, Figure 1.
Figure 1
1. Firstly check the breather return line for signs an oil leak in area highlighted in Figure 2. Should a leak be evident, remove the tube and check the Oring for damage.
Power unit → Engine lubrication → 6.0 L W12 TSI → Oil breather system return line – To remove and fit
Figure 2
2. Check the dipstick tube for signs of an oil leak in area highlighted in Figure 3. Should a leak be evident, remove the dipstick tube and check the Oring for damage.
Power unit → Engine lubrication → 6.0 L W12 TSI → Assembly dipstick and tube – To remove and fit
Figure 3
Should either of the O-rings be damaged or leaking replace according to ETKA.