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February 3, 2026 Service bulletin

The gasket thickness was increased from 1.5 mm to 3 mm to prevent interference between the collar ends,...

Prevost technical service bulletin MI26-00 for 2007-2026 Prevost H3-45, 2007-2013 Prevost H3-40 and 2007-2026 Prevost H3-45 Vip and others.

Bulletin number
MI26-00 (MI26-00)
Component
Engine
Summary
The gasket thickness was increased from 1.5 mm to 3 mm to prevent interference between the collar ends, which previously made it impossible to reach the specified tightening torque. Increasing the gasket thickness ensures sufficient clearance between the collar ends and thus guarantees optimal tightening.

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