2030217-6
Service Bulletin Details
Public Details for: 2030217-6
Air spring fault finding
- 2019 - 2018 - 2017 - 2016 - 2015 - 2014 - 2013 - 2012 -
Models from 2019
2019 BENTLEY BENTAYGA |
Models from 2018
2018 BENTLEY CONTINENTAL |
2018 BENTLEY CONTINENTAL GT |
2018 BENTLEY FLYING SPUR |
2018 BENTLEY MULSANNE |
Models from 2017
2017 BENTLEY CONTINENTAL |
2017 BENTLEY FLYING SPUR |
Models from 2016
2016 BENTLEY CONTINENTAL |
2016 BENTLEY FLYING SPUR |
Models from 2015
2015 BENTLEY CONTINENTAL |
2015 BENTLEY FLYING SPUR |
Models from 2014
2014 BENTLEY CONTINENTAL |
2014 BENTLEY FLYING SPUR |
Models from 2013
2013 BENTLEY CONTINENTAL |
Models from 2012
2012 BENTLEY CONTINENTAL |
Technical Service Bulletin Topic Market area Brand Transaction No. Level Status Release date Air Spring Fault Finding Hongkong-Macau (5HK),China 796 VW Import Comp. Ltd (Vico), Beijing (6796),United States E05 Bentley USA and rest America (6E05) Bentley 2030217/6 EH Released for publishing Jan 18, 2019 New customer code Object of complaint chassis -> damping\suspension regulation -> automatic level control system chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> damping\suspension regulation -> automatic damper adjustment chassis -> wheel suspension, suspension, damping chassis -> level control system, pitch and roll compensation Complaint type functionality -> no function leaks -> not watertight leaks -> not watertight leaks -> not watertight leaks -> not watertight functionality -> no function leaks functionality Position left rear right rear left front right front New workshop code Object of complaint chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> wheel suspension, suspension, damping -> shock absorber chassis -> level control system, pitch and roll compensation -> level\damping control module Vehicle data Continental Series and Flying Spur Sales types Type 39* 39* 39* 39* 39* 39* 39** 3W* 3W* 3W* 3W* 3W* 3W* 3W* 3W* 3W* 3W* 4W2* 4W2* 4W2* 4W2* MY 2012 2013 2014 2015 2016 2017 2018 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Brand Designation Engine code Gearbox code E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * E * * Final drive code * * * * * * * * * * * * * * * * * * * * * Complaint type leaks -> not watertight leaks -> not watertight leaks -> not watertight leaks -> not watertight leaks -> not watertight functionality -> no function Position left front left rear right front right rear > no instruction < 4W2* 2018 E * * * Mulsanne Sales types Type 3Y212A 3Y213A 3Y612A MY 2018 2018 2018 Brand E E E Designation Mulsanne 377/V8 8AG Mulsanne Speed 395/V8 8AG Mulsanne Lang 377/V8 8AG Engine code Gearbox code CZMB RRV CZMA RRV CZMB RRV Final drive code NHJ NHJ NHJ New Continental GT Sales types Type 3S31AB 3S31BB 3S31BB MY 2018 2018 2018 Brand E E E Designation Cont GT(MSB) BY634 447/W128AG Cont GT(MSB) BY634 467/W128AG Cont GT(MSB) BY634 467/W128AG Brand E E E E E E E E E E E Designation SUV BY636 447/W128AG SUV BY636 447/W128AG SUV BY636 447/W128AG SUV Diesel BY636 310/V8 8AG SUV Diesel BY636 310/V8 8AG SUV Diesel BY636 310/V8 8AG Engine code Gearbox code DDB SVZ DDB TPT DDB SVZ Final drive code - Bentayga Sales types Type 4V14A9 4V14A9 4V14A9 4V14B9 4V14B9 4V14B9 4V14B9 4V14C9 4V14C9 4V14C9 4V14D9 MY 2018 2018 2018 2018 2018 2018 2018 2018 2018 2018 2018 Documents Document name master.xml Engine code Gearbox code DDBB RGQ DDBB QTZ DDBB SHT CZAA SKQ CZAA RWF CZAA SWY DCDB RWF SUV Diesel BY636 320/V8 8AG CZAC RWF SUV Diesel BY636 320/V8 8AG CZAC SKQ SUV Diesel BY636 320/V8 8AG CZAC SWY SUV KoVOMo BY636 404/V8 8AG DCUA RWH Final drive code QUS QUS QUS QUS QUS QUS QUS QUS QUS QUS QUT Technical Service Bulletin Air Spring Fault Finding Transaction No.: 2030217/6 Release date: Jan 18, 2019 Condition The front and/or rear suspension appears to have dropped Technical Background The Bentley vehicles listed below are fitted with air springs as part of the suspension system. Should air leak from the air springs this will cause the suspension to drop. However, the dropping of the suspension does not necessarily mean that the air spring is faulty. The Measure section of this TPI describes how and where to check for air leaks on the front and rear air springs, the air pump compressor, pipes, valve unit and air reservoir. This includes potential air leak points on the air spring and also the locations of an air leak that can be repaired without the need to replace an air spring. Please follow and complete the check list within the Measure section of this TPI to help in diagnosing the issue (the check list does not need to be sent as an attachment should a DISS technical query be raised). Should a leak be found from an air spring please raise a DISS technical query and include as much information as possible including photograph/s of the leak/s location. Once the DISS ticket has been submitted please await clarification from your TSC before commencing with replacing any of the suspected faulty air springs. Mandatory reporting is applicable for all air spring related issues. Production Solution Not applicable Service Position the vehicle on a flat and level surface and allow it to cool down. • Important: Set the vehicle suspension into “Jack” mode. Adhere strips of masking tape (1) from the centre of each wheel to the highest part of the wheel arch as shown, making sure they are applied taut. Using a tape measure (2), also measure and take note of the ride heights (A-A) at all four corners of the vehicle. See Figure 1. Figure 1 Leave the vehicle overnight and again measure the ride heights (A-A) at all four corners of the vehicle. Compare these values with those taken previously. If there is NO difference in ride heights, and the strips of masking tape are still ‘taut’ then no air leak is present. Please explain to the customer the long term storage or changing climate conditions would cause a drop in ride height which is normal. As soon as the vehicle is started, the compressor will level the vehicle automatically. No further action is required. If there IS a difference in ride heights, and the strips of masking tape (1) have ‘sagged’ (shown in Figure 2), then refer to the following leak finding procedures below. Figure 2 It should be noted that if these checks involve a claim through warranty then photographic evidence of the vehicle sagging and air leak should be included. Always select “Jack mode” before raising the vehicle and exhausting the air from the suspension system. Refer to Elsapro. Repair Group 43. Section 1 - Front suspension air spring fault finding Before any other checks are made to the front air springs check to confirm the pipes are fully inserted and firmly connected within the brass fitting. Air leakage may not be audible. A possible symptom of air leakage is excessive operation of the air pump located above the rear diffuser. If no air leakage is apparent at the pipe unions and there is excessive operation of the air pump compressor, there may be a damaged air supply pipe to an air spring. With the air suspension fully charged, use leak detector spray or a mild soap solution to check the connections for leaks as shown in the accompanying table. Place an X in the appropriate column next to each check. Front air spring check points - Continental series (pre 2018) and Flying Spur Check Brass fitting to air spring (1) Brass intermediate connection (2) Air feed pipe connection (3) Top of air spring (4) Air spring gaiter condition (5) Air canister and canister to air spring (6 & 7) Bottom of the air spring (8) Top of the air spring (9). Within engine compartment, pull dust seal back to inspect! Yes No Comments If this air supply pipe is leaking, refer to the Elsapro, “Air Supply Pipe - To Repair” - Repair Group 43. Front air spring check points – Mulsanne Check Yes No Comments Air connection to air spring (1) Upper air spring (2) Top of air spring (3) Air spring gaiter condition (4) Bottom of the air spring (5) Front air spring check points – Bentayga Check Yes No Comments Air connection to air spring (1) Top of air spring (2 & 3) Upper areas of air spring gaiter (4 & 6) Air spring upper gaiter condition (5) Lower areas of air spring gaiter (7 & 9) Air spring upper gaiter condition (8) Front air spring check points – New Continental GT Check Air connection to air spring (1) Sealing area of top nut (2) Top crimp area (3) Top of air spring (4) Air spring gaiter condition (5) Lower areas of air spring gaiter (6) Switching valves, solenoids and welds (7&8) Yes No Comments Section 2 - Rear suspension air spring fault finding Before any other checks are made to the rear air springs check to confirm the pipes are fully inserted and firmly connected within the brass fitting. Air leakage may not be audible. A possible symptom of air leakage is excessive operation of the air pump located above the rear diffuser. If no air leakage is apparent at the pipe unions and there is excessive operation of the air pump compressor, there may be a damaged air supply pipe to an air spring. With the air suspension fully charged, use leak detector spray or a mild soap solution to check the connections for leaks as shown in the accompanying table. Place an X in the appropriate column next to each check. Rear air spring check points - Continental series (pre 2018) and Flying Spur Check Brass fitting to air spring (1) Top of air spring (2 & 3) Air spring bellows (4) Air feed pipe connection (5) Air spring gaiter condition (6) Air canister and canister to air spring (7, 8 & 9) Electrical cable route for air escaping (10) Yes No Comments Rear air spring check points - Mulsanne Check Yes No Comments Air feed pipe connection (1) Top of air spring (2 & 3) Upper air spring bellows (4 & 5) Lower air spring bellows (6 & 7) Air spring gaiter condition (8 & 9) Rear air spring check points - Bentayga Check Air feed pipe connection (1) Top of air spring (2) Air spring gaiter condition (3 & 4) Lower areas of air spring (5 & 6) Yes No Comments Rear air spring check points – New Continental GT Check Yes No Comments Air feed pipe connection (1) Top of air spring (2) Air spring gaiter condition (3 & 4) Lower area of air spring (5) Section 3 - Air supply unit check points Check for any air leaks on or around the air supply (compressor) unit. Place an X in the appropriate column next to each check. Air supply check points - Continental series (pre 2018) and Flying Spur Check Air pipe connections (1 to 6) Yes No Comments Air supply check points – Mulsanne Check Yes No Comments Air pipe connections (1 to 6) Air supply check points – Bentayga Check Yes No Comments Air pipe connections (arrows) Air supply check points – New Continental GT Check Air pipe connections (2 & 3) Yes No Comments Section 4 - Air reservoir unit check points Check for any air leaks on or around the air reservoir. Place an X in the appropriate column next to each check. Air supply check points - Continental series (pre 2018) and Flying Spur Check Yes No Comments Air pipe connections (arrow) Location - GT & Flying Spur: LH rear wheelarch Location – GTC: Behind backboard trim panel Air supply check points – Mulsanne Check Air pipe connections (arrow) Location: Boot floor Yes No Comments Air supply check points – Bentayga Check Yes No Comments Air pipe connections on the twin tanks (arrows). Location: Rear footwells Air supply check points – New Continental GT Check Air pipe connection (2) Location: Underside of boot floor Yes No Comments Section 5 - Air pipe repairs In the event of an air leak from the air pipe/brass fittings on the supply unit the brass fittings and internal olive can be replaced individually. To repair an air pipe, refer to Elsapro, “Air Supply Pipe - To Repair” - Repair Group 43. Using a “Vehicle Tester”, recharge the air system. Refer to Elsapro, “To discharge and charge” - Repair Groups 40 and 42. Warranty It should be noted that if checks involve a claim through warranty then photographic evidence of the vehicle sagging and air leak should be included with the DISS technical query where possible. Pictures should include the following: • Tape (1) applied before and after, showing the tape sagging. See Figure 4. • All ride height measurements (A-A) before and after. See Figure 4. • Soap solution bubbling at the point of air leak (where possible). Figure 4