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Browse our collection of support documents and videos. We are here to support our customers for the long haul.

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How to Remove and Install Allison 1k/2k Valve Body

How to Record and Email an Allison DOC Snapshot File

New Install Fail: Allison 1000/2000

Allison Fourth Generation (4th Gen) Transmission Connector Repair

80-Way: How to Identify and Repair Allison 80 Way Connector (4th & 5th Gen)

Allison On-Highway Adaptation Measurement

AT545/542 Valve Body Removal and Replacement

Allison 3000/4000 Control Module Removal and Replacement

How to do a 3K/4K Allison Cooler Port Changeover

The Weller Way