2012 Volvo VAH Service and Repair Manual

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Fits the 2012 VAH — Base Straight Truck - Long Conventional ·
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2012 Volvo VAH 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

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
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 #13V49700017/10/2013Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Fontaine Modification (Fontaine) is recalling certain model year 2011-2013 Volvo VAH vehicles modified with upward facing exhaust diffusers for use as auto-haulers. In the affected vehicles, heat fro

Consequence

Excessive heat could result in a fire.

Remedy

Fontaine will notify owners and dealers will replace the diffuser with one of a different shape and

NHTSA #15V64300013/10/2015Component: TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

Volvo Trucks North America (Volvo) is recalling certain model year 2011-2013 VNL and VNM trucks manufactured June 21, 2010, to December 14, 2012. The affected trucks are equipped with Fontaine Ultra

Consequence

If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to

Remedy

Volvo will notify owners, and Fontaine dealers will replace the fifth wheel with an Ultra NT model f

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

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 #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.

TSB #11005403

CBR: Telematics Gateway (TGW) Connect Ability Issues

Showing the 8 most recent of 148 technical service bulletins on file with NHTSA.

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

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