BS2015E Service Bulletin/Repair Instructions

L294
2
N/A
2NVYL82UX73000133
1318174
Sudbury - Ontario
L385
1
781
2NVYL82U583000137
1584722
Sudbury - Ontario
L385
2
782
2NVYL82U783000138
1584717
Sudbury - Ontario
L386
1
785
2NVYL82U783000141
1584719
Sudbury - Ontario
L399
1
783
2NVYL82U983000139
1584721
Sudbury - Ontario
L399
2
784
2NVYL82U583000140
1584720
Thunder Bay - Ontario
L408
1
N/A
2NVYL82U283000239
1635568
Thunder Bay - Ontario
L408
2
N/A
2NVYL82U983000240
1635567
Thunder Bay - Ontario
L408
3
N/A
2NVYL82U083000241
1635564
Thunder Bay - Ontario
L408
4
N/A
2NVYL82U283000242
1635565

PAGE 14 OF 36
SERVICE BULLETIN
SAV.1E.2012MA
BS2015E
IMPORTANT: CERTAIN ORDERS MAY NOT INDICATE ALL UNITS.

CLIENT
ORDER
ROAD NO
VIN
REAR AXLE

SERIAL NO
Thunder Bay - Ontario
L408
5
N/A
2NVYL82U483000243
1635566
Thunder Bay - Ontario
L453
1
N/A
2NVYL82U283000533
1741364
Thunder Bay - Ontario
L453
2
N/A
2NVYL82U483000534
1765604
Thunder Bay - Ontario
L453
3
N/A
2NVYL82U683000535
1765605
Timmins - Ontario
L426
1
N/A
2NVYL82U783000480
1746075
Timmins - Ontario
L426
2
N/A
2NVYL82U883000536
1715156
University of Alabama - Alabama
L295
1
7001
2NVYL82U173000134
1319150
University of Alabama - Alabama
L296
1
7002
2NVYL82U373000135
1319151
University of Alabama - Alabama
L296
2
7003
2NVYL82U573000136
1319152
University of Alabama - Alabama
L310
1
7004
2NVYL82U973000267
1390605
University of Alabama - Alabama
L310
2
7005
2NVYL82U073000268
1390604
University of Alabama - Alabama
L310
3
7006
2NVYL82U273000269
1390602
University of Alabama - Alabama
L310
4
7007
2NVYL82U973000270
1390606
University of Alabama - Alabama
L310
5
7008
2NVYL82U073000271
1390603
University of Alabama - Alabama
L310
6
7009
2NVYL82U273000272
1392636
University of Alabama - Alabama
L310
7
7010
2NVYL82U473000273
1392634
University of Alabama - Alabama
L310
8
7011
2NVYL82U673000274
1392639
University of Alabama - Alabama
L310
9
7012
2NVYL82U873000275
1392641
University of Alabama - Alabama
L310
10 7013
2NVYL82UX73000276
1392635
University of Alabama - Alabama
L311
1
7014
2NVYL82U173000277
1390607
University of Alabama - Alabama
L311
2
7015
2NVYL82U373000278
1392637
University of Alabama - Alabama
L311
3
7016
2NVYL82U573000279
1392640
University of Alabama - Alabama
L311
4
7017
2NVYL82U173000280
1392638
University of Colorado - Colorado
L336
1
N/A
2NVYL82U773000266
1385563
Whitehorse - Yukon
L423
1
N/A
2NVYL82U983000481
1746095
Whitehorse - Yukon
L423
2
N/A
2NVYL82U083000482
1792104
Woodstock - Ontario
L335
1
N/A
2NVYL82U083000093
1557809
Woodstock - Ontario
L419
1
N/A
2NVYL82U183000409
1707774
PAGE 15 OF 36
SERVICE BULLETIN
SAV.1E.2012MA
BS2015E
WARNING
Follow your internal safety procedures.

NOTE
Ensure that the rear axle serial number is indicated in this document

Required documents for each level of this document

Level 1: Inspect: oil sampling, fill in the documents in Annex A and B. Wait for instructions from your Nova

Bus representative.

Take a first sample, then a second one at the latest possible opportunity before the next axle oil change.

Proceed with the instructions of Level 1: inspect.

Level 2 : Install: fill in the form in annex C and take pictures of the defective conponents. Include the form

and the pictures (in PDF and JPEG format) with your claim.

Samples received without a link to a claim will not be processed for analysis. Each vehicle covered by this

bulletin, requires a separate claim.
PROCEDURE

LEVEL 1: INSPECT

1.1. Raise the vehicle.

CAUTION
For more information on the raising and lowering of the vehicle, refer to section 18: hoisting and towing of

the Nova LFS maintenance manual. Respect your current internal safety procedures. Use the proper hoisting

equipment for your safety.

1.2. Locate the differential oil filler screw, located on the street side of the portal drive.

1.3. Take a differential oil sample. Follow the sampling and documentation instructions included in the Oil-PEK oil

sampling kit. See Annex A.

1.4. Lower the vehicle.

1.5. Proceed with the warranty claim for Level 1 of this service bulletin. Return the oil sample according to the

established procedure. The oil sample will serve to support your claim.

1.5.1. Send the samples in the sameme way as a returned part under warranty.

1.6. Oil sample testing will be conducted by ZF. Based on the results, ZF will determine whether to proceed with

level 2: install. Your service representative will inform you whether further action is required. In the interim,

the vehicle can remain in service.
PAGE 16 OF 36
SERVICE BULLETIN
SAV.1E.2012MA
BS2015E
LEVEL 2: INSTALL

2.1. Raise the vehicle.

CAUTION
For more information on the raising and lowering of the vehicle, refer to section 18: hoisting and towing of

the Nova LFS maintenance manual. Respect your current internal safety procedures. Use the proper hoisting

equipment for your safety.
ABS sensor
Air spring bolts & nuts

60 ± 4 ft-lb

(81 ± 6 N•m)
Brake cylinder screw

Max torque:

52 ft-lb (70 N•m)
Brake

cylinder
Air spring

assembly
Lock plate

Stabilizer bar
Shock absorber
Spring bracket
Figure 1 - Rear Axle AV 132 (ZF) Assembly
PAGE 17 OF 36
SERVICE BULLETIN
SAV.1E.2012MA
BS2015E
2.2. Use an additional lifting support under the axle housing to secure the rear axle in a slightly off-center position

towards the differential.

2.3. Completely loosen the rear wheel hex nuts, but do not fully remove the nut in the 12 o'clock position.

2.4. Support the wheel with a wheel lift, remove the remaining hex nut, and remove the wheel.

2.5. Support the interior wheel with a wheel lift. loosen and remove the hex nuts and remove the wheel.

2.6. Loosen the screw plug of the level check hole, located on the street side of the portal drive, and check the oil

level. See Figure 2.
Oil check hole

1...9 10 111213

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