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April 8, 2020 Service bulletin

Customer Advisory Letter for Tailpipe Adaptation to Protect Right-Hand Brake Chamber

Freightliner technical service bulletin CALFTL49-001 for 2016 Freightliner Business Class M2.

Bulletin number
CALFTL49-001
Component
Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
Summary
Customer Advisory Letter for Tailpipe Adaptation to Protect Right-Hand Brake Chamber. Some Business Class M2 vehicles have a horizontal tailpipe with an outlet too close to the forward drive axle, which, over time, may overheat and thereby damage the right-hand brake chamber on that axle.

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