Technical Service Bulletin FSB 873-019 — 2009 MACK LEU
EQUIPMENT
Bulletin Details
| TSB ID | FSB 873-019 |
| Manufacturer | |
| Vehicle | 2009 MACK LEU |
| Component | EQUIPMENT |
| Communication Date |
Bulletin Summary
HEATER BLOWER MOTOR RELAY, REPLACEMENT. ON SOME MACK LEU TRUCKS BUILT BETWEEN 10/16/2008 AND 9/29/2014, CONTINUOUS USE OF THE HEATER BLOWER MOTOR CAN CAUSE FAILURE OF THE HEATER BLOWER MOTOR RELAY AND WIRE TERMINALS. IF THE BLOWER MOTOR IS INOPERABLE, INSPECT THE FUSE BLOCK, RELAY, TERMINALS, AND WIRES. IF ANY COMPONENT SHOW SIGNS OF EXCESSIVE HEAT (DISCOLORED AND MELTED PLASTIC), THE RELAY BLOCK ASSEMBLY MUST BE REPLACED WITH PART NUMBER 22572078.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2009 MACK LEU
M-374-001
ELECTRICAL SYSTEM
K24619050
ENGINE
PI-0790
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
FSB-437-002-01
POWER TRAIN:MANUAL TRANSMISSION
FSB-712-003
SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET
FSB-721-001
SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET
SB-386-014
FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
SB-535002
PARKING BRAKE