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December 19, 2025 Service bulletin

This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle...

Workhorse technical service bulletin IK1600272 for 2011 Workhorse W22, 2013 Holiday Rambler Endeavor and 2013 Holiday Rambler Ambassador and others.

Bulletin number
IK1600272 (IK1600272)
Component
Structure: body
Summary
This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle cabs and windshields using an ultrasonic sound detector.

Owners of these vehicles have filed 16 complaints in the body category.

Vehicles covered

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