NHTSA ID Number: 10199701
Manufacturer Communication Number: BS5119E
TSB/Document Date: 2021-08-02
Summary
Brake chambers may fail and cause the drive axle brakes to overheat
BS5119E
SERVICE BULLETIN
REFERENCE:
Nova Bus
Manuals
SECTION:
08: Braking system
RS NO:
MQR 7621-1987
APPLICATION DEADLINE: 2022DE31
CLAIM REFERENCE NUMBER: WB-5119
EFFECTIVE IN PROD.: LD08 (2021AU)
SUBJECT:
Braking system
JUSTIFICATION:
Brake chambers may fail and cause the drive axle brakes to overheat.
LEVEL
DIRECT CHARGES
DESCRIPTION
LABOUR
MATERIAL
TIME
1
Replace the brake chambers.
3h
2
Replace damaged parts.
Client*
see table on page 8
* The cost of the material will be reimbursed when claiming for this service document.
MATERIAL
QTY
PART NO
REV.
DESCRIPTION
LEVEL 1
1
N104241
–
MGM brake chamber, left
1
N104243
–
MGM brake chamber, right
LEVEL 2 (only if required*)
4
N38045
–
ELBOW 90 ° MALE M22X1.5 FL45-8
2
N95702-06
B
Hose assembly (QR1-C to chambers) Parking brake for L958, L959, LA23, LB29,
LB59, LB99
2
N95702-13
–
Hose assembly (QR1-C to chambers) Parking brake for LA73, LA76, LB78, LC32
2
N95702-10
B
Hose assembly (R14 to chambers), Service brake
1
N8902138
–
Brake lining kit (1 per axle)
1
N8895746
–
R14 Relay Valve
2
N8907581
–
ABS modulator
1
N8908326
–
Caliper LS
1
N8908325
–
Caliper RS
1
N8900426
–
Caliper LS
1
N8900425
–
Caliper RS
2
N8911106
–
Brake disc
Materials will be available within 73 days once your order has been placed. To order, please contact Prevost Parts :
For CANADA 1-800-463-8876 or prevostparts.commandes@volvo.com
For USA 1-800-621-5519 or function.prevostparts.orders@volvo.com.
Specify document number, quantity of parts required and shipping address.
* The material identified in Level 2 is to be ordered only for vehicles that meet the criteria defined in Level 1.
DISPOSAL OF PARTS
REMOVED PARTS ARE:
DISCARDED
*
RETAINED
Yes
–
* Dispose of the unused parts and the defective parts in
accordance with local environmental standards in effect.
REVISION HISTORY
REV.
DATE
NR
2021JL20
APPROVED BY:
CHANGE DESCRIPTION
Initial release
Daniel Theriault
NQF772001 VERSION 3
WRITTEN BY
André Pelletier
Digitally signed by Daniel Theriault
Date: 2021.07.22 12:20:40 -04'00'
PAGE 1 OF 8
SERVICE BULLETIN
CLIENT
ORDER
ROAD NUMBER
BS5119E
VIN (2NVY/4RKY...)
QTY
FROM
TO
FROM
TO
L958
5439
5442
S92J9G9775533
S92J9G9775631
New York City Transit - New York
L959
5443
5443
S92J0H9776118
S92J0H9776118
1
New York City Transit - New York
LB59
5444
5484
S92J7H9776195
S92J6H9776379
41
New York City Transit - New York
LA23
5485
5530
S92J5J9776380
S92J6J9776517
46
New York City Transit - New York
LA73
8504
8507
L82J8J9776445
L82J8J9776476
4
New York City Transit - New York
LB29
5531
5566
S92J9J9776687
S92J6J9776873
36
New York City Transit - New York
LA76
8508
8633
L82J9J9776924
L82J8K9777144
125
New York City Transit - New York
LB99
5567
5602
S92J2J9776935
S92J5K9777000
36
New York City Transit - New York
LB78
8526
- Mixes well with conventional fluids
- Low-moisture formula provides excellent vapor lock...
- Ideal for hydraulic and disc brakes
- Provides an extra margin of safety in extreme braking...
- Mix of polyglycol ethers ensures hot brake-system operation...
- Excellent for ABS, disc and drum brake systems
- Delivers braking power when needed by avoiding a spongy...
- Both wet and dry boiling points exceed the minimum...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
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TSB/Document ID: BS5119E
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-22
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: SERVICE BRAKES, AIR
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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