SP-255-024
Service Bulletin Details
Public Details for: SP-255-024
Volvo truck: relocating of engine vgt actuator connector and mounting arrangement was developed to eliminate fretting of connector pins in engine diagnostic trouble codes (dtc) and missing signal. *pe
Models from 2012
2012 VOLVO VAH |
2012 VOLVO VHD |
Models from 2011
2011 VOLVO VAH |
2011 VOLVO VHD |
2011 VOLVO VN |
Models from 2010
2010 VOLVO VHD |
2010 VOLVO VN |
Models from 2009
2009 VOLVO VHD |
2009 VOLVO VN |
SB-10045179-9296 Volvo Trucks North America Greensboro, NC USA Service Program Trucks Date Group No. Release Page 6.2012 255 024 01 1( 7 ) Engine VGT Actuator and TSS Sensor Connector Relocation VN, VHD, VAH D13 SP 255-024, Engine VGT Actuator and TSS Sensor Connector Relocation (June 2012) A new campaign is available to prevent engine diagnostic trouble codes (DTCs) and missing signal from the Engine Variable Geometry Turbocharger Actuator (Engine VGT Actuator) on VOLVO D13 US2010 engines with an Allison transmission. This condition is caused by fretting of the connector pins in the engine VGT actuator connector. Relocation of the engine VGT actuator connector and a new mounting arrangement has been developed to eliminate this condition. See the table below for the list of parts required for this campaign. W2072321 Required Parts Allison Transmission Parts List PV729-SP255-024_V Item # QTY Part Number Description 1 1 21852745 Bracket Turbo, SRA 2 2 946173 Flange Screw 3 2 980881 Push-In Cable Tie USA52946 Volvo Trucks North America Service Program Date 6.2012 Group No. Release 255 024 01 Relocation Procedures for the Allison Transmission You must read and understand the precautions and guidelines in Service Information, group 20, "General Safety Practices, Engine" before performing this procedure. If you are not properly trained and certified in this procedure, ask your supervisor for training before you perform it. NOTE: Information is subject to change without notice. Illustrations are used for reference only and can differ slightly from the actual vehicle being serviced. However, key components addressed in this information are represented as accurately as possible. Allison Transmission 1 Apply parking brake and place shift lever in neutral. 2 Raise hood. 3 Disconnect all cables from the negative (ground) battery terminals to prevent personal injury from electrical shock and prevent damage to electrical components. 4 Disconnect the engine VGT actuator and Turbine Shaft Speed (TSS) Sensor harnesses. W2072322 Page 2( 7 ) Volvo Trucks North America Service Program Date 6.2012 Group No. Release 255 024 01 5 Remove the engine VGT actuator and TSS sensor connectors from the mounting bracket. Note: Discard the attachment ring/nut (Item 1). W2072323 6 Remove the connector mounting bracket from engine. Note: Discard the mounting bracket and secure the mounting hardware for installation of new bracket. W2072324 Page 3( 7 ) Volvo Trucks North America Service Program Date 6.2012 Group No. Release 255 024 01 7 Inspect connectors for green/brown dust on the pins or sockets. Note: If green/brown dust is present in the areas highlighted in the figure below, clean the male and female engine VGT actuator and TSS sensor connectors with approved electrical solvent. Allow the connectors to thoroughly dry before assembly. W2072325 8 Install the new harness mounting bracket (part number 21852745). Tighten fasteners to 24 ± 4 Nm (18 ± 3 ft-lb). W2072326 Page 4( 7 ) Volvo Trucks North America Service Program Date 6.2012 Group No. Release 255 024 01 9 Install the push-in cable ties (part number 980881) into the M8 threaded holes in the new mounting bracket. Note: Ensure the push-in cable tie flanges are tightly secured against the M8 weld nuts in the new mounting bracket. W2072327 10 Connect and lock the engine VGT actuator and TSS sensor connectors together. W2072328 Page 5( 7 ) Volvo Trucks North America Service Program Date 6.2012 Group No. Release 255 024 01 11 Secure both connectors with the push-in cable ties. Note: Ensure the cable tie is in the end groove between connector flange and back shell as shown in figure below. W2072329 12 Reconnect all previously removed cables to the negative (ground) battery terminals. 13 Lower hood. Page 6( 7 ) Volvo Trucks North America Service Program Date 6.2012 Group No. Release 255 024 01 Reimbursement This repair is covered by an authorized Service Program. Reimbursement is obtained through the normal claim handling process. Claim Type (used only when uploading from the Dealer Bus. Sys.) B Recall Status Vehicle inspected, repair not required 1- Inspected OK Vehicle repaired per instruction 2- Modified per instruction Labor Code Primary Labor Code 25531-0-02 0.3 hr. Time to take charge and determine campaign status 17003–0–01 0.3 hr. Causal Part 21551428 Authorization Number SP255024 Expiration Date 05 JUN 13 Note: Take Charge Time is not included in the Labor Code for this operation. Take charge may be eligible but can only be used once per repair visit. If vehicle is having other warranty repairs performed, take charge should be charged to the warranty repair, otherwise take charge can be charged to this service program. Page 7( 7 )