FSB 371-045

Field Service Bulletin
Trucks
Mack Trucks, Inc.
Greensboro, NC USA
This bulletin replaces “FSB 371-045, Battery Cable Lug, Failure” released
5.2013
Date
Group
No.
Release
Page
7.2013
371
045
02
1(4)
Battery Starter Lug Failure
CXU, GU
FSB 371-045, Battery Cable Lug, Failure
(July 2013)
Certain vehicles built from January 1, 2010 to June 14, 2013 with a MP7 engine may
experience cracking or breaking of the 90 degree positive battery cable lug at the starter
solenoid stud. In some cases, the lug is bent during assembly, and along with engine
vibration may cause the terminal to weaken and fail over time.
To support the cable and eliminate this failure, follow the procedure below:
Required Parts
Quantity
Part Number
Description
1
22130041
Bracket
1
21542477
Cable Tie
1
22166540
Saddle
1
990939
Nut
1
994785
Socket Screw
You must read and understand the precautions and guidelines in Service Information,
Function Group 30, "General Safety Practices, Electrical and Electronics" before
performing this procedure. If you are not properly trained and certified in this procedure,
ask your supervisor for training before you perform it.
PV729-FSB371-045_M
USA60174
Mack Trucks, Inc.
Field Service Bulletin
Date
7.2013
Group
No.
Release
371
045
02
Repair
1 Secure the vehicle for service by parking it on a flat level surface, applying the parking
brake, chocking the rear wheel, and placing the transmission in neutral.
2 Disconnect all cables from the negative (ground) battery terminals to prevent personal
injury from electrical shock and prevent damage to electrical components.
3 Remove the fastener from the heat shield bracket.
W2080360
1. Screw
4 Preassemble the bracket and the saddle.
W2080361
1 Bracket
2. Saddle
3. Socket Screw
4. Nut
Page
2(4)
Mack Trucks, Inc.
Field Service Bulletin
Date
7.2013
Group
No.
Release
371
045
02
5 Install the bracket onto the vehicle and secure.
W2080362
1. Socket Screw
2. Saddle
6 Install the cable tie around the saddle and the positive battery cable going to the starter
solenoid.
W2080364
1. Cable Tie
2. Positive Battery Cable
Note: Battery cable may need to be loosened/retightened from back of starter solenoid in
order to reach the saddle. Tighten to 26 ±1.5 Nm (19.2 ±1.1 ft lb).
7 Install all the previously removed cables to the negative (ground) battery terminals.
Page
3(4)
Mack Trucks, Inc.
Field Service Bulletin
Date
7.2013
Group
No.
Release
371
045
02
Page
4(4)
Reimbursement
This repair may be eligible for reimbursement if a product failure was experienced within time and mileage limits of
the applicable Warranty coverage. Reimbursement is obtained via the normal claim handling process.
Claim Type (used only when uploading from the Dealer Bus. Sys.)
01
Labor Code
Primary Labor Code
7213C-36-80
0.3 hrs.
Causal Part
21266738
21266739
Mack Trucks, Inc. engages in a comprehensive program of testing and evaluating to provide
the best possible product. Mack Trucks, Inc. however, is not committed to, or liable for
updating existing vehicles.