Technical Service Bulletins
Search 172,063 manufacturer communications covering 879 vehicle makes from 1955 to 2025.
Showing 440 bulletins for KENWORTH
1625
Jun 26, 2002
020000 SUSPENSION
A CONDITION MAY EXIST WHERE THE RADIUS ARM BOLTS AT THE AXLE SEAT COULD BE INSTALLED BACKWARDS AND MAY HIT THE FRAME RAIL DURING AXLE ARTICULATION USED ON SOME T600, T800 AND W900 WITH AG380 SUSPENSION THAT WERE BUILT AT RENTON BETWEEN 10/1
0296
May 13, 2002
116200 ELECTRICAL SYSTEM:IGNITION:MODULE
INFORMATION ON ACCESSING THE TONNEAU COVER ELECTRONIC CONTROL MODULE (ECU). *TT
TIB0147
Jul 11, 2001
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
SUBJECT REGARDING WRONG CONDENSER FAN MOTOR FUSE INSTALLED ON K300 MODELS WITH AIR CONDITIONING BUILT BETWEEN MARCH 2000 THROUGH MAY 2001. *TT
TIB1622
Oct 27, 2000
020000 SUSPENSION
TECHNICAL INFORMATION BULLETIN REGARDING LOW MILEAGE FAILURE OF AG100 SWAY BAR AND ALUMINUM TORQUE ROD BUSHINGS. *TT
1517
Feb 15, 1999
010000 STEERING
SUBJECT REGARDING SMARTWHEEL / MULTIPLEX STEERING WHEEL CONTROLS. *TT
0321D
Feb 1, 1999
114200 ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
A CONDITION MAY EXIST WHERE THE ODOMETER ROLLS OVER TO ZERO MILES INSTEAD OF 100,000; MILEAGE DISPLAYED INCORRECTLY; AND / OR SERVICE CLUSTER FAULT SHUTS DOWN MULTI-FUNCTION DISPLAY. *TT
0142A
Jan 1, 1999
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
SOME VEHICLES HVAC UNITS MAY HAVE HEATING AND AIR CONDITIONING PERFORMANCE ISSUES AND/ OR INTERMITTENT OPERATION. *YC
0280A
Dec 15, 1998
162300 STRUCTURE:BODY:DOOR
A CONDITION WITH THE TOP OF THE CAB DOORS EXHIBITING A LOUD WIND NOISE DURING STRONG CROSS WINDS OR AT HIGHWAY SPEEDS. *TT
980415981314
Aug 4, 1998
061000 ENGINE AND ENGINE COOLING:ENGINE
CONDITION WITH PURGE VALVES THAT INTERMITTENTLY STICK OPEN. *YC
98KWI
Jun 20, 1998
061100 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
THE ROUTING OF KENWORTH ENGINE WIRING AND CATERPILLAR FUEL LINES NEAR ECU ON CATERPILLAR 3406E ENGINES MAY RESULT IN A RUBBING CONDITION WHICH CAN IN TURN CAUSE A FIRE WITHOUT WARNING.
0256A
Feb 1, 1998
980000 UNKNOWN OR OTHER
CONDITION WITH THE PASSENGER SIDE FIREWALL TRIM PANEL INSIDE THE CAB MAY BECOME LOOSE FROM ITS ATTACHMENT POINTS. *YC
9708010135K
Aug 1, 1997
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
VEHICLES HAVING POOR DEFROST PERFORMANCE AND TEMPERATURE DIFFERENCES LEFT-TO-RIGHT FROM THE CAB HVAC UNIT. *YC
4230
Apr 15, 1997
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
T2000 SURGE TANK - SIGHT GLASS ON T2000 TRUCKS SHOWING COOLANT IN THE SYSTEM EVEN THOUGH ALL THE COOLANT HAS BEEN DRAINED. *TW
0262A
Apr 1, 1997
022000 SUSPENSION:REAR
T2000 SLEEPER LINING - SLEEPER LININGS HAVE DETATCHED FROM THEIR MOUNTINGS. *TW
0263A
Apr 1, 1997
131000 VISIBILITY:WINDSHIELD
T2000 WINDSHIELD BLOCKS - THE RUBBER WINDSHIELD SET BLOCKS THAT WERE USED AS A PRODUCTION AID TO SET THE WINDSHIELD BECOMING HARD IN COLD WEATHER AND CRACKING WINDSHIELD. *TW
0269A
Apr 1, 1997
114000 ELECTRICAL SYSTEM:WIRING
POOR GROUND CONNECTION IN THE CB ANTENNA SYSTEM. *TW
1516A
Apr 1, 1997
011000 STEERING: STEERING WHEEL/HANDLE BAR
T2000 MULTIPLEX STEERING WHEEL OPERATION - REPORTS OF VEHICLES EQUIPPED WITH MULTIPLEX STEERING WHEEL EXHIBITING A LOSS OF ELECTRICAL FUNCTION OF SOME MULTIPLEX FEATURES. *TW
0261A
Mar 1, 1997
114000 ELECTRICAL SYSTEM:WIRING
T2000 MIRROR HEAT WIRING - THE MIRROR HEAT RELAY IS NOT SWITCHED THROUGH THE IGNITION BUS, RESULTING IN DRAINED BATTERIES.
0269
Mar 1, 1997
114000 ELECTRICAL SYSTEM:WIRING
POOR GROUND CONNECTION IN THE CB ANTENNA SYSTEM. *TW
0270
Mar 1, 1997
133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
T2000 DOOR WINDOW REGULATOR DO NOT FUNCTION PROPERLY IN COLD WEATHER. *TW