Mack LR, Terrapro: Engine

Affects Mack LR, Terrapro · 2024 — about 10 vehicles.

The hazard

Issue: On a small number of trucks equipped with a Cummins L9N natural gas engine, when the engine is lifted, the rear lifting bracket attached to the cylinder head could detach. If this happens, the engine could swing or fall. Safety Risk: An engine that swings or falls could create a risk of injury. Corrective Actions: Cummins will notify owners by mail and advise you to take your truck to a Cummins authorized service center to inspect and, if necessary, replace the studs on the rear lifting bracket.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational