Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 2,701 bulletins for MACK
SB232016
Dec 19, 2000
060000 ENGINE AND ENGINE COOLING
IN CERTAIN OPERATING ENVIRONMENTS (PULLING HEAVY LOADS UP LONG, STEEP GRADES AT HIGH ALTITUDES DURING PERIODS OF HIGH AMBIENT TEMPERATURES), CERTAIN MODEL CHASSIS EQUIPPED WITH EITHER AN E-TECH 427 OR 460 ENGINE MAY EXPERIENCE ENGINE OVERHE
SB622021
Dec 19, 2000
162000 STRUCTURE:BODY
SUBJECT REGARDING A NEW HOOD ASSIST SPRING AND MOUNTING BRACKET ARRANGEMENT DEVELOPED AND AVAILABLE THROUGH THE MACK PARTS SYSTEM FOR CERTAIN MODEL CHASSIS TO ELIMINATE SPRING BREAKAGE THAT MAY OCCUR. *TT
200200035301
Dec 18, 2000
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
SUBJECT REGARDING MAIN BEARING RUNNING CLEARANCE. *TT
SB266013
Dec 8, 2000
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
INFORMATION ON J-TECH ENGINE BRAKE WITH TOP OIL SUPPLY PORT FOR EXTERNAL OIL LINE. *TT
586
Dec 7, 2000
020000 SUSPENSION
CRACKS IN SUSPENSION CROSSMEMBER END GUSSET OR CENTER SECTION - CL733 MODEL CHASSIS EQUIPPED WITH RAYDAN AL520 REAR AIR SUSPENSION. MACK. *TT
PI536
Dec 5, 2000
020000 SUSPENSION
SUBJECT REGARDING HENDRICKSON HN SUSPENSION 18 - 1/2 INCH SADDLE INSPECTION ON CERTAIN WASTE MANAGEMENT, INC. MODEL CHASSIS. *TT
SB752002
Dec 5, 2000
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
ON CERTAIN MODEL CHASSIS WITH MIRROR-MOUNTED CB RADIO ANTENNAS, CB RADIO INTERFERENCE (OR NOISE) MAY BE EXPERIENCED. *TT
700200033601
Dec 1, 2000
980000 UNKNOWN OR OTHER
SERVICE ENGINEERING HAS RECEIVED SEVERAL REPORTS FROM DEALERS IN RELATION TO 2000 ARKANSAS BEST FREIGHT MODEL TRACTORS EXHIBITING AN AMBER MALFUNCTION LIGHT WITH ACTIVE 4-1 FAULT CODE SET. *TT
200200033402
Nov 29, 2000
061000 ENGINE AND ENGINE COOLING:ENGINE
SUBJECT REGARDING MAIN BEARING RUNNING CLEARANCE CHANGE. *TT
561
Nov 29, 2000
061110 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
FAN DRIVE IDLER PULLEY REPLACEMENT. *TT
562
Nov 29, 2000
061000 ENGINE AND ENGINE COOLING:ENGINE
(PRP) PARTS RETURN POLICY FOR DECEMBER. *TT
563
Nov 29, 2000
061000 ENGINE AND ENGINE COOLING:ENGINE
INFORMATION ON THE M6 SPORT PACKAGE OPTION. *TT
700200033401
Nov 29, 2000
350000 EQUIPMENT
MACK TRUCKS, INC. RECENTLY HAD THE LATEST VERSION OF V-MAC COMPUTER SOFTWARE SUPPORT PROGRAMS SHIPPED TO ALL OUR DISTRIBUTORS AND SERVICE DEALDERS ON THE ESSENTIAL TOOL PROGRAM. IT IS VERSION 2.3 AND IS SUPPLIED ON A CD-ROM. *T
SC261
Nov 28, 2000
184000 VEHICLE SPEED CONTROL:SPRINGS
MACK TRUCKS, INC. HAS BEEN NOTIFIED THAT ALL ELECTRONIC THROTTLE PEDAL ASSEMBLIES MAUFACTURED BY FELSTED PRODUCTS, LLC, PRIOR TO SEPTEMBER 1, 2000, THAT WERE USED IN ALL MACK MODEL CHASSIS MANUFACTURED BETWEEN MAY 17, 1999 THROUGH AUGUST 31
556
Nov 27, 2000
176100 LATCHES/LOCKS/LINKAGES:HOOD:LATCH
DIFFICULTY IN LATCHING THE FRONT HOOD. WHEN CLOSING THE FRONT HOOD, THE POSITION OF THE HOOD LATCH MAY HAVE MOVED AS A RESULT OF THE SHIFTING BEHAVIOR OF THE THREADED CONNECTIONS OF THE HOOD LATCH. *TT
SC262
Nov 27, 2000
020000 SUSPENSION
CERTAIN MODEL CHASSIS MANUFACTURED BETWEEN JULY 1, 1999 THROUGH DECEMBER 10, 1999 AND EQUIPPED WITH EITHER AN ARVINMERITOR, DANA / SPICER OR MACK FRONT STEER AXLE MAY HAVE BALL SOCKETS THAT WERE NOT MANUFACTURED TO PROPER CASE DEPTH AND / O
SC263
Nov 27, 2000
010000 STEERING
IT HAS BEEN DETERMINED THAT ON CERTAIN MODEL CHASSIS MANUFACTURED BETWEEN SEPTEMBER 1, 1999 THROUGH SEPTEMBER 30, 1999, THE BOLTS THAT SECURE THE STEERING GEAR TO THE MOUNTING BRACKET MAY NOT HAVE BEEN TIGHTENED SUFFICIENTLY AT THE FACTORY.
555
Nov 22, 2000
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
INFORMATION ON CODING THE TRANSMISSION CONTROL UNITS. *TT
550
Nov 20, 2000
060000 ENGINE AND ENGINE COOLING
INFORMATION PERTAINING TO THE RETAILER PARTS SERVICES (RPS) WEB SITE LAUNCH. *TT
MB732003
Nov 17, 2000
100000 POWER TRAIN
SUBJECT REGARDING ELECTRONIC SPEEDOMETER SPEED OUTPUT SIGNAL. *TT
SB213026
Nov 17, 2000
061000 ENGINE AND ENGINE COOLING:ENGINE
SUBJECT REGARDING CAMSHAFT AND LIFTER BREAK-IN PROCEDURE. *TT
PI537
Nov 14, 2000
020000 SUSPENSION
SUBJECT REGARDING TRANSVERSE TORQUE ROD REPLACEMENT FOR MODEL CHASSIS EQUIPPED WITH HENDRICKSON HN SUSPENSIONS HAVING 18-1/2 INCH SADDLES. *TT
SB221027
Nov 14, 2000
116200 ELECTRICAL SYSTEM:IGNITION:MODULE
INFORMATION REGARDING THE V-MAC III STEP 8 VECU SOFTWARE EVOLUTION. *TT
700200031201
Nov 7, 2000
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
SUBJECT REGARDING SINGLE CB ANTENNA MATING CONNECTOR. *TT
SB215014
Oct 31, 2000
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
SUBJECT REGARDING PLATE-TYPE OIL COOLER AND WATER PUMP INLET TUBE CHANGES. *TT