2012 Volvo VHD Service and Repair Manual

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Factory-Grade Data

2012 Volvo VHD 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.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • Base Straight Truck - Long Conventional
  • Base Tractor Truck - Long Conventional

Engines covered

  • 12.8L 780Cu. In. 6 DIESEL
  • 10.8L 661Cu. In. l6 DIESEL Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2012 Volvo VHD Recalls & Complaints

NHTSA #13V26800026/06/2013Component: POWER TRAIN:CLUTCH ASSEMBLY

Volvo Trucks North America (Volvo) is recalling certain model year 2007-2014 VAH, VHD, VNL, VNM, and VT models. The affected vehicles were built without a redundant clutch disengagement switch. Witho

Consequence

Without a signal to disengage the clutch when the brakes are applied, the distance required to stop

Remedy

Volvo Trucks will notify owners and dealers will inspect and repair the vehicles if necessary. The

NHTSA #13V15200022/04/2013Component: PARKING BRAKE:CONVENTIONAL:AIR

Volvo Trucks North America (Volvo) is recalling certain model year 2011-2013 VHD and VNL vehicles manufactured December 13, 2010, through July 17, 2012. These vehicles are equipped with an MGM Type 2

Consequence

Overheated brake components could result in a fire.

Remedy

Volvo will notify owners and the brake chambers will be replaced as needed, free of charge. The saf

NHTSA #13V10200021/03/2013Component: ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

Volvo is recalling certain model year 2012-2014 VHD, VNL, and VNM trucks, manufactured from April 18, 2011, through March 14, 2013, and equipped with a horizontally mounted remote battery disconnect s

Consequence

Loose or chafed cables may lead to overheating of the battery cable and switch which may result in a

Remedy

Volvo will send owners an interim letter and dealers will replace and relocate the remote battery di

NHTSA #11V29400020/05/2011Component: POWER TRAIN:DRIVELINE

VOLVO TRUCKS IS RECALLING CERTAIN MODEL YEAR 2012 VHD, VNL, AND VNM TRUCKS EQUIPPED WITH A MERITOR DRIVELINE. THE TUBING USED TO ASSEMBLE THE DRIVELINES HAS A NONCONFORMING SEAM WELD WITH INSUFFICIE

Consequence

THIS CAN RESULT IN SEAM WELD FRACTURE WHEN TORQUE IS APPLIED. ONCE THE TUBE SEAM WELD IS FRACTURED,

Remedy

DEALERS WILL REPLACE THE DRIVELINES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 25, 2011. OWNE

NHTSA #16V73500013/10/2016Component: SUSPENSION:FRONT:CONTROL ARM:UPPER BALL JOINT

Volvo Trucks North America (Volvo) is recalling certain model year 2009-2016 VHD trucks manufactured from April 7, 2008, through December 9, 2015, equipped with USK non-greasable drag links. The ball

Consequence

If water and contaminants enter the ball joint, corrosion can occur and lead to accelerated wear, wh

Remedy

Volvo will notify owners, and dealers will replace the drag links, free of charge. The recall began

NHTSA #13V34900013/08/2013Component: VISIBILITY/WIPER

Volvo Trucks North America (Volvo) is recalling certain model year 2011-2012 VAH, VHD, VNL, and VNM trucks manufactured February 1, 2010, through September 30, 2010 and June 1, 2011, through November

Consequence

Inoperable wipers may result in poor driver visibility, increasing the risk of a crash.

Remedy

Volvo will notify owners and dealers will replace the windshield wiper motor, free of charge. The r

NHTSA #12V03600001/02/2012Component: SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

VOLVO IS RECALLING CERTAIN MODEL YEAR 2011-2012 VHD AND MODEL YEAR 2011-2013 VNL AND VNM VEHICLES, MANUFACTURED FROM DECEMBER 2, 2010, THROUGH JANUARY 18, 2012, AND EQUIPPED WITH BENDIX ATR-6 TRACTION

Consequence

INADVERTENT BRAKE APPLICATION CAN CAUSE THE BRAKES TO OVERHEAT AND LEAD TO A FIRE. INADVERTENT BRA

Remedy

VOLVO WILL NOTIFY OWNERS, AND PROVIDE A TEMPORARY REPAIR UNTIL BENDIX DEVELOPS A PERMANENT REMEDY.

TSB #11030472

CBR - Z Spring Bracket Wear. Volvo Chassis

TSB #11021307

CBR - A significant GPS reporting issue is affecting fleet operations, with trucks maintaining back-office communication but failing to transmit GPS location data.

TSB #11018822

Inactive Code P25AE00 Being Generated After A Hard Pull And A Momentary Drop In Engine Oil Pressure (Low Oil Pressure) (Possible Related Codes - SPN4811 , SPN 100 , PID 100)

TSB #11017731

TSB - V-710-001 Engine Crossmember Loose Hardware.

TSB #11016360

CBR - 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions

TSB #11008302

CBR - Automated Manual Transmission (AMT) Model D or F (mDrive and I-Shift, AMT-D, AMT-F) - Transmission Oil Leakage From Transmission Input Shaft Seal Or Output Shaft Seal - US10 And Newer Emissions, Common Model Years 2010 And Newer

TSB #11006951

CBR: 11L, 13L, And 16L Engine Oil Analysis Specifications - US10 And Newer Emissions

TSB #11006949

CBR: On Volvo chassis with an I-Shift and Mack chassis with an mDRIVE transmission, there have been reports of complete shift assemblies and TECUs being replaced due to technicians being unable to pinpoint the source of the air leak.

Showing the 8 most recent of 212 technical service bulletins on file with NHTSA.

No complaints filed No consumer complaints on file with NHTSA for the 2012 Volvo VHD.
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