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Tool Instruction
Tamper Proof Drive Bit GR-6 Arnold Drive Set
4328597R1
Tool Number: EN-50956-A
Figure 1. EN-50956-A – Tamper Proof Drive Bit GR-6 Arnold Drive Set
Purpose
Essential tool used to install tamper proof fasteners on the Positive Crankcase Ventilation (PCV) system. The
fasteners are destroyed during removal, and new tamper proof fasteners must be installed. To be Air Resources
Board (ARB) compliant, this bit will install a fastener only.
Application(s)
International
®
6.6 Engine
Additional Engine / Vehicle Applications May Apply
1
Read all safety instructions in the "Safety Information" section of the appropriate Engine Service or Diagnostic Manual.
Follow all warnings, cautions, and notes.
© 2018 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
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Summary of Contents for Navistar EN-50956-A
- Page 1 Additional Engine / Vehicle Applications May Apply Read all safety instructions in the "Safety Information" section of the appropriate Engine Service or Diagnostic Manual. Follow all warnings, cautions, and notes. © 2018 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 2 Replace any worn or damaged components as necessary. Tool Contents Table 1 Image Tool Number Description Tamper Proof Drive EN-50956-A Bit Set GR-6 Arnold Drive Set 4328597R1 Tool Instruction 4328597R1 © 2018 Navistar, Inc. All rights reserved. All marks are trademarks of their respective owners.
- Page 3 Replace any damaged components Contact Information If you would like to order additional tools or need replacement parts, please refer to the Navistar Service Tool Catalog. If you have questions, concerns, or feedback, please contact Navistar Service Tool Support Center: •...
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