Western Star 4900: Engine and engine cooling

Affects Western Star 4900 · 2008–2010 — about 88 vehicles.

The hazard

THIS COULD RESULT IN A FIRE.

What to do

CATERPILLAR IS HANDLING THE OWNER NOTIFICATION AND REMEDY FOR THIS CAMPAIGN. PLEASE SEE CATERPILLAR'S DEFECT REPORT 11E-006. CATERPILLAR WILL REPLACE THE SINGLE PIECE COMBUSTION TUBE WITH A THICK WALL COMBUSTION TUBE WHICH WON'T ALLOW THE HEAT TO BREAK THROUGH. THIS SERVICE WILL BE PERFORMED FREE OF CHARGE. THE SAFETY RECALL BEGAN IN AUGUST 2011. OWNERS MAY CONTACT CATERPILLAR TOLL-FREE AT 1-800-447-4986.

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