BS5379E

BS5379E
SERVICE BULLETIN
REFERENCE:
Nova Bus Manuals
SECTION:
10: Transmission and Control
RS NO:
MQR 7621-2486
APPLICATION DEADLINES: 2024MA21
CLAIM REFERENCE NUMBER: WB5379
EFFECTIVE IN PROD.: N/A
SUBJECT:
Transmission Coolant Pipes
JUSTIFICATION:
P-clamps holding the transmission coolant pipes can break and cause coolant leaks.
LEVEL
1
DIRECT CHARGES
DESCRIPTION
Replace two installed P-clamps with two thicker ones.
2
TIME
LABOUR
MATERIAL
Nova Bus
Nova Bus
45 min
–
–
–
–
MATERIAL REQUIRED PER VEHICLE
QTY
PART NO
REV.
DESCRIPTION
N31320-09
–
CLAMP LOOP TYPE ID 2" .063" THK
–
–
LEVEL 1
2
LEVEL 2
–
–
Materials will be available within 51 days once your order has been placed.
To order, please contact [email protected]
Or by phone for CANADA 1-800-771-6682, for USA 1-877-999-8808
Specify document number, quantity of parts required and shipping address.
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
2023MR15
APPROVED BY:
NQF772001 version 5
CHANGE DESCRIPTION
Initial release
Jean-Nicolas Fournier
WRITTEN BY
Annie St-Jacques
Digitally signed by Jean-Nicolas
Fournier
Date: 2023.03.15 08:19:42 -04'00'
PAGE 1 OF 4
SERVICE BULLETIN
CLIENT
ORDER
ROAD NUMBER
BS5379E
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
Maryland Transit Administration - MTA
LB83
20031
20031
S92J9K9777288
S92J9K9777288
1
Maryland Transit Administration - MTA
LC28
20032
20070
S92J5L9777628
S92J3L9777689
39
PAGE 2 OF 4
NQF772001 version 5
BS5379E
SERVICE BULLETIN
WARNING
FOLLOW YOUR INTERNAL SAFETY PROCEDURES.
PROCEDURE
1.1.
Park the vehicle on an even surface with the transmission on neutral.
1.2.
Apply the parking brake and set the master control switch to the stop position.
1.3.
Set the battery disconnect switch in the battery compartment to the off position.
1.4.
Locate and open the transmission access trap at the rear of the vehicle (Figure 1).
Transmission
access trap
Figure 1 - Transmission Access Trap
1.5.
Locate the two P-Clamps mounted on the engine cradle bracket that secure the two coolant pipes (Figure 2).
1.6.
Remove the two P-clamps, the screws and the nuts. Discard the P-clamps (Figure 3).
1.7.
Prior to their installation, it is recommended to pre-bend/preform the 2 new P-clamps N31320-09 to facilitate
their installation.
1.8.
Install the two new P-clamps with the removed screws and nuts. Torque to the torque value of 17 ±2 lb-ft
(23 ±2 N•m).
1.9.
Close the transmission access trap.
PAGE 3 OF 4
NQF772001 version 5
BS5379E
SERVICE BULLETIN
Figure 2 - The two P-clamps Securing the two Transmission Coolant Pipes
P-clamps to remove
and replace with
N31320-09
Figure 3 - P-clamps to Replace
1.10.
The vehicle can return in service.
PAGE 4 OF 4
NQF772001 version 5