NHTSA ID Number: 10126488
Manufacturer Communication Number: SP15-304B
TSB/Document Date: 2017-12-22
Summary
On the vehicles affected by this bulletin, the Bosch
HD10 alternators need to be replaced with new Bosch HD10PLBH 150 Amps alternators.
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
7(18)
FIGURE 8
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
8(18)
FIGURE 9: POWER CABLE ATTACHED TO #1, #2, #3 DOUBLE-TIE MOUNT AND PROPER NYLON TIES INSTALLATION
HellermannTyton double-tie mounts mounting screw torque: 8 lbf-ft.
FIGURE 10: POWER CABLE ATTACHED TO #1 DOUBLE-TIE MOUNT AND PROPER NYLON TIES INSTALLATION
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
9(18)
FIGURE 11: POWER CABLE ATTACHED TO #2 DOUBLE-TIE MOUNT AND PROPER NYLON TIES INSTALLATION
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
10(18)
FIGURE 12: POWER CABLE ATTACHED TO #2 DOUBLE-TIE MOUNT AND PROPER NYLON TIES INSTALLATION
FIGURE 13: POWER CABLE ATTACHED TO #2, #3 DOUBLE-TIE MOUNT AND PROPER NYLON TIES INSTALLATION
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
11(18)
FIGURE 14: USING DOUBLE SWIVEL ANCHOR AND 2 WIDE NYLON TIES, SECURE THE POWER CABLE TO THE AIR
COMPRESSOR INLET HOSE
DOUBLE SWIVEL ANCHOR
9. Reinstall the LTD along the power cable using double-loop nylon ties #507664. For proper installation
and location, refer to FIGURE 9 to FIGURE 13. You can also refer to the pictures of the production line
standard installation; see FIGURE 15 to FIGURE 19 to do so.
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
12(18)
FIGURE 15
FIGURE 16
FIGURE 17
FIGURE 18
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
13(18)
FIGURE 19
10. In order to assure proper installation, it is
important to tighten the alternator mounting
bolts in proper sequence. Use Loctite 243 blue
on threads (FIGURE 20). Once properly torqued,
apply yellow torque seal.
1st Bolt/Nut B, 43 lbf-ft (2x).
2nd Bolt/Nut C, 74 lbf-ft (2x).
FIGURE 20
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
14(18)
11. Mount pulley onto alternators (FIGURE 21). Use
Loctite 243 blue on threads. Tighten pulley
mounting nut to 75 lbf-ft using Prevost tool and
a M10 12-points spline drive mounted on a
torque wrench (refer to the end of this
document for details concerning special tools).
Once properly torqued, apply yellow torque
seal.
FIGURE 21
12. Install the alternator belt (FIGURE 22)
FIGURE 22
13. Cable connection overview. Upper
and lower alternator (FIGURE 23).
FIGURE 23
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
15(18)
UPPER ALTERNATOR - (use new hardware for cable connection)
14. Power cable and jumper (positive) cable.
a) Install jumper cable (a.k.a. positive cable) onto B1+ stud terminal on upper alternator (FIGURE 24).
b) Place one new flat washer #5001341 against the cable ring terminal (FIGURE 24).
c) Screw and tighten the adapter stud #564590 (torque: 10 lbf-ft) (FIGURE
cable.
24)
prior installing power
d) Fit the power cable terminal onto adaptor stud, place one new flat washer #5001341 against the
power cable terminal and screw a new nut #5001787 (nut torque: 10 lbf-ft) (FIGURE 24).
FIGURE 24
15. Fit the ground cable onto the alternator ground stud, place one new flat washer #502573 against
the ground cable terminal and screw a new nut #5001182 (nut torque: 6 lbf-ft) (FIGURE 24).
16. Plug alternator harness onto alternator connector and secure using nylon cable ties (FIGURE 25).
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
16(18)
FIGURE 25
LOWER ALTERNATOR - (use new hardware for cable connection)
17. Jumper (positive) cable.
a) Fit jumper cable (positive cable) onto B1+ stud terminal on lower alternator (FIGURE 26).
b) Place one new flat washer #5001341 against the cable ring terminal and screw new nut
#5001787 (nut torque: 10 lbf-ft) (FIGURE 26).
c) Fit the ground cable onto the alternator ground stud, place one new flat washer #502573 against
the ground cable ring terminal and screw a new nut #5001182 (nut torque: 6 lbf-ft) (FIGURE 26).
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
17(18)
FIGURE 26
18. Plug lower alternator harness
onto lower alternator connector
and secure using two nylon cable
ties #504637 (FIGURE 27).
FIGURE 27
Special Bulletin
SP15-304B
Date
Expiration
Release
Page
01.2015
01.2017
5
18(18)
19. Apply torque seal according to normal
procedure. Apply anti-corrosion compound
on alternator terminals and cable ring
terminals or use color guard rubber coating
#684013 if available.
20. Reinstall the A/C compressor idler pulley
bracket assembly (FIGURE 28). Apply Loctite
243 on threads. Reinstall the A/C
compressor belts.
21. Finally, check that all cables are properly
installed, start engine and check for proper
functioning. Check for proper functioning of
charging system.
FIGURE 28
PARTS / WASTE DISPOSAL
Discard waste according to applicable environmental regulations (Municipal/State[Prov.]/ Federal)
ESTIMATED TIME
The time required to perform this special bulletin is approximately four (4.0) hours.
OTHER
VBC Bulletin
N/A
Fail Code
06.01
Defect Code
09
System Condition
B
Causal Part
564119
Prevost engages in a continuous program of testing and evaluating to provide the best possible product. Prevost, however, is not
committed to, or liable for updating existing products.
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TSB/Document ID: SP15-304B
Replacement Service Bulletin Number:
MFR Communication Date: 2015-03-19
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
MFR Component System:
MFR Component Subsystem:
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