2004 Volvo VNL Service and Repair Manual
2004 Volvo VNL service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
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ON CERTAIN TRUCKS EQUIPPED WITH D12D ENGINES, THE EXHAUST GAS RECIRCULATION (EGR) COOLER INLET PIPES OR THE PIPES THAT CONNECT THE EGR VALVES TO THE COOLER MAY CRACK OR BREAK.
IF THE PIPES OR THE COOLER INLET PIPES FAIL AND ARE LEFT UNTREATED, THE AIR CLEANER AND INNER FENDER
DEALERS WILL INSPECT AND REPAIR THE EGR COOLER PIPES AS REQUIRED AND INSTALL A HEAT SHIELD FREE OF C
VOLVO TRUCKS IS RECALLING CERTAIN MODEL YEAR 2001-2006 VNL AND VNM TRUCKS MANUFACTURED WITH A TRW SEALED DRAG LINKS. CERTAIN FACTORS CAN EXIST, WHICH IF LEFT UNTREATED MAY RESULT IN A BALL SOCKET SE
BALL SOCKET SEPARATION AT THE DRAG LINK RESULTS IN COMPLETE LOSS OF STEERING, AND THEREFORE CAN RESU
DEALERS WILL INSPECT AND REPAIR THE BALL SOCKET OR THE DRAG LINK AS REQUIRED IF NECESSARY. AS PARTS
VOLVO TRUCKS IS RECALLING 127,764 MY 2001-2008 VHD, VNL, VNM, AND MY 2005-2008 VT TRUCKS. A SEAL MAY FAIL ALLOWING WATER AND CONTAMINANTS TO SEEP INTO THE WINDSHIELD WIPER MOTOR.
IF THIS HAPPENS A SHORT CIRCUIT MAY OCCUR, WHICH OVER TIME COULD POSSIBLY LEAD TO A VEHICLE FIRE.
VOLVO WILL REPLACE THE WIPER MOTOR FREE OF CHARGE. SINCE THIS RECALL INVOLVES A LARGE NUMBER OF VE
CERTAIN TRUCKS EQUIPPED WITH FRONT STEER AXLE AIR SUSPENSION MAY DEVELOP A FRONT WHEEL WOBBLE WHEN THE TIRES BECOME WORN.
IF THE WOBBLE PERSISTS AND IS LEFT UNTREATED, DAMAGE MAY OCCUR WHICH COULD IMPAIR VEHICLE CONTROL AN
DEALERS WILL REPAIR AND REPLACE THE FRONT VERTICAL SHOCKS ON EACH SIDE OF THE FRONT SUSPENSION AND A
CERTAIN HEAVY DUTY TRUCKS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 120, "TIRE SELECTION AND RIMS FOR MOTOR VEHICLES OTHER THAN PASSENGER CARS." THE TIRE SIZE
THE CERTIFICATION LABEL IS INCORRECT GIVING IMPROPER INFORMATION.
DEALERS WILL REPLACE THE CERTIFICATION LABELS. THE RECALL BEGAN ON SEPTEMBER 12, 2005. OWNERS MAY
CBR: Volvo VHD & VN Models - Vehicle Wil Not Start, PTO Active Message Displayed In Cluster, PTO Light On When PTO Switch Is Turned Off
TSB: Barksdale Leveling Valve, Leak Test
CBR: Programming Failure - Chassis With Cummins Engine And An Allison Transmission
Engine Control Module (EMS) Software (MSW) Information August 2022; Improvement List (Change Log) - US21+OBD22 (13L VGT, TC) And US17+OBD22 (11L) Emissions
Volvo Chassis - Equipped with An Automated Manual Transmission (AMT, iShift) - SNV 19-002 - AMT Oil Filter Housing Corrosion
Volvo Chassis - Drag Link Inspection And Replacement Criteria
Programming Failure - Chassis With Cummins Engine And An Allison Transmission
DEF Level (UQLS) Sensor Troubleshooting Guide - US17+OBD16 Emissions and Newer
Showing the 8 most recent of 69 technical service bulletins on file with NHTSA.
DRAG LINK CAME LOOSE WHILE OUR DRIVER WAS PULLING A LOAD ON INTERSTATE 81. HE LOST ALL STEERING AND DROVE INTO A GUARDRAIL. THE TOTAL COSTS FOR REPAIRS TO US WAS $17,022.93. THE TRACTOR HAD JUST BE
WEST BOUND ON 288. DID MY PRE TRIP. I WAS FULLY LOADED. I WAS IN THE MIDDLE LANE. ALL OF THE SUDDEN MY STEERING WHEEL GOT LIGHT. IT DID NOT HAVE ANY CONTROL. THE TRUCK STARTED DRIFTING TO THE RI
MY VOLVO TRUCK STARTED HAVING LOW POWER PROBLEM AFTER A CERTIFIED VOLVO DEALER REPLACED COPPER CUPS ON IT. TO FIX THAT PROBLEM, I TOOK THE TRUCK TO ANOTHER CERTIFIED VOLVO DEALER, WHO REPLACED EGR VAL
THERE WERE TWO RECAPPED TIRES PLACED ON THE REAR-EXTENDED LIFT AXLE OF A DUMP TRUCK. WHILE DRIVING 55 MPH ONE TIRE BLEW OUT, AND THE OTHER TIRE SEPARATED WHILE CARRYING A LOAD. UPON SPEAKING WITH TH
GLASS MIRRORS VIBRATED TO THE POINT WERE IT WAS DIFFICULT TO SEE. *AK
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