Kenworth C500, T800 +2 more: Other

Affects Kenworth C500, T800, T600, W900 · 2001 — about 520 vehicles.

The hazard

Certain heavy duty trucks built between March 5, 2001 and June 4, 2001. Fail to comply with the requirements of C.M. V. S.S. 103, "windshield defrosting and defogging systems." the mode door in a HVAC system can become inoperable. The mode door cam and actuator could bind, causing the cam retaining tabs to shear off. This failure may inhibit the ability to direct air blowing from the HVAC system to the windshield, potentially reducing the driver's visibility. Correction: Dealers will inspect the mode door operation and replace the HVAC cab mode housing assembly if necessary.

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