NHTSA ID Number: 10145263
Manufacturer Communication Number: BS4173ER1
TSB/Document Date: 2018-10-09
Summary
The EGS coolant hoses may leak in the baselight above the passenger area.
SAV.1E.2012MA
SERVICE BULLETIN
BS4173ER1
REFERENCE:
Nova Bus
Manuals
APPLICATION DEADLINE: 2019JN18
SECTION:
14: HVAC
CLAIM REFERENCE NUMBER: WB-4173
RS NO:
MQR 7621-1154
EFFECTIVE IN PROD.:
N/A
SUBJECT:
EGS flexible coolant hoses
JUSTIFICATION:
The EGS coolant hoses may leak in the baselight above the passenger area.
LEVEL
DIRECT CHARGES
DESCRIPTION
LABOUR
MATERIAL
TIME
1
Above the passenger area, install copper pipes in between PEX
tubing and flexible hoses.
2
Adjust PEX tubing length if there is interference.
Nova Bus 20 min
7h
MATERIAL
PART NO
REV.
1
N90353
–
Heating pipe inboard FR assembly
–
1
N90354
–
Heating pipe outboard RR assembly
–
1
N90355
–
Heating pipe outboard FR assembly
–
1
N90356
–
Heating pipe inboard RR assembly
–
2
N92161-02
–
Cap and saddle bracket (middle section)
N70905-02
2
N92161-03
–
Cap and saddle bracket (bottom section)
N70905-03
4
N69299
–
Cable tie 250 lbs, Tyton T255
–
QTY
DESCRIPTION
REPLACES PART N°
LEVEL 1
48
G5007994
–
Cable tie
–
4 x 6 ft
N20379
–
Tube insulation 1 3/8" ID
–
4
N45715
–
Ring for Pex 1-1/2"
–
16
N68156
–
Cable tie
–
LEVEL 2 (only if required*)
3 ft
N45726
–
Tubing Pex 1-1/2"
–
3
N45715
–
Ring for Pex 1-1/2"
–
1
N91167
–
Brass fitting for Pex 1-1/2"
–
Materials will be available within 42 days once your order has been placed. To order, please contact Prevost Parts by phone
at 1-800-771-6682, by fax at 1-888-668-2555 or by email at prevostparts.commandes@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.
SEE PAGE 2 FOR TOOLS AND ACCESSORIES.
APPROVED BY: Daniel Theriault
Digitally signed by Daniel Theriault
DN: cn=Daniel Theriault, o=Nova Bus, ou, email=daniel.theriault@volvo.com, c=CA
Date: 2018.09.07 08:42:10 -04'00'
PAGE 1 OF 25
SAV.1E.2012MA
SERVICE BULLETIN
BS4173ER1
TOOLS AND ACCESSORIES
QTY
MODEL NO
1
N8907170
M12 battery ProPEX tubing cutter, Milwaukee
or the equivalent
1
N8907171
M18 battery ProPEX expansion tool, Milwaukee
or the equivalent
1
N8907172
1-1/2" M18 ProPEX Expansion Head, Milwaukee
or the equivalent
1
N8907632
1.75 oz ProPEX Expander Cone Grease, Milwaukee
or the equivalent
DESCRIPTION *
NOTE
* Milwaukee tooling is recommended by Uponor, manufacturer of PEX pipes and fittings.
N8907172
N8907632
N8907171
N8907170
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
CHANGE DESCRIPTION
WRITTEN BY
NR
2018JA30
Initial release
Danielle Lacroix
R1
2018AL18
Increase in the QTY of N92161-02 & N92161-03 to 2.
And increase in the labour time of level 1 from 6hrs to 7
hrs.
Pramod Gouda
PAGE 2 OF 25
SAV.1E.2012MA
SERVICE BULLETIN
ROAD NUMBER
CLIENT
ORDER
BS4173ER1
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
SEPTA - Pennsylvania
L741
7355
7355
S92L4E4500504
S92L4E4500504
1
SEPTA - Pennsylvania
L742
7371
7414
S92L6E4500729
S92L7E4500772
44
SEPTA - Pennsylvania
L743
7356
7370
S92L1E4500489
S92L2E4500503
15
SEPTA - Pennsylvania
L745
7415
7415
S92L0F4500873
S92L0F4500873
1
SEPTA - Pennsylvania
L746
7416
7454
S92L7F4500952
S92L8F4501012
39
SEPTA - Pennsylvania
L749
7302
7354
S92Y7D4500409
S92L2E4500470
53
SEPTA - Pennsylvania
L861
7300
7484
S92L5G9775188
S92L8G9775220
32
PAGE 3 OF 25
SAV.1E.2012MA
SERVICE BULLETIN
BS4173ER1
WARNING
Follow your internal safety procedures.
PROCEDURE
WARNING
The PEX working procedure contained in this service document should be done per the Uponor manufacturer
instructions. Failure to comply with these requirements may cause coolant to leak.
The procedure for removing and installing Uponor PEX (extract from the Uponor Assistance Manual) is
available in Appendix 1, or you could also refer to HePEX heating pipes heading in SECTION 99: GENERAL
PRACTICES in the Nova Bus Maintenance Manual.
OVERVIEW OF THE MODIFICATION
Figure 1 - Top View of a 60-ft Bus
REAR
FRONT
N90354
7½ in (190 mm)
N90355
N90356
N90353
4¾ in (120 mm)
Cap and saddle
brackets
Folding bellows
- Unsurpassed freeze protection and anti-boil performance...
- Organic acid technology resists rust, scale & corrosion...
- High-quality additives protect against leaks and won’t...
- Pre-mixed orange formula is ready-to-use in a 50/50 ratio...
- 5 year/150,000 mile guarantee protects against engine...
- Formulated to replace the OEM fluid in Asian make vehicles...
- 5 year/150, 000 mile . Silicate-free, long-life, phosphate...
- The long life formula provides protection for all cooling...
- Meets the following OEM and industry specifications: JIS K...
- Note: Please check the vehicle specification before...
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TSB/Document ID: BS4173ER1
Replacement Service Bulletin Number:
MFR Communication Date: 2018-09-09
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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