Recalls for 1991 Kenworth T400

DEFECT #1 - SERVICE BRAKES, AIR

Posted on: 1991-03-21
Description
Air brake system was modified by adding a longer air line between the abs solenoid and the transfer tee to simplify manufacturing.  This modification caused the trucks to be in non-compliance with fmvss 121, brake timing test.

Consequence
The mistimed brake and abs system may cause the truck tofail the stopping distance requirement of the fmvss, which may lead to anaccident.

Corrective Action
Remove the extra length of air line and install the transfer tee at the abs solenoid.

Notes
System: air brake system and anti-lock air brakes; fmvss 121.vehicle description: trucks built with airglide 100 suspension and bosch absbrake system.

DEFECT #2 - VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES

Posted on: 1991-06-20
Description
Sprague wiper assembly pivot can seize due to galvanic corrosion between the zinc-plated steel shaft and the bronze bushings.

Consequence
This corrosion can cause wiper arm/blade assembly to stopwiping windshield, this could affect driver visibility and result in anaccident.

Corrective Action
Replace sprague wiper assembly pivot with an assembly not susceptible to galvanic corrosion.

Notes
System: wiper assembly pivot.veehicle description: heavy trucks equipped with sprague wiper assembly pivot.