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Service bulletin 9708010135K

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id54266
Published by NHTSA1998-03-30
Manufacturer's number9708010135K
Manufacturer's date1997-08-01
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

VEHICLES HAVING POOR DEFROST PERFORMANCE AND TEMPERATURE DIFFERENCES LEFT-TO-RIGHT FROM THE CAB HVAC UNIT. *YC

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
KENWORTH T20001997

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
02-1602021-03-10. Service bulletin. Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter.
01411999-02-18. Service bulletin. TECHNICAL INFORMATION REGARDING FAILURE OF THE CAB OR SLEEPER HEATER RELAY. *TT
0142A1999-02-08. Service bulletin. SOME VEHICLES HVAC UNITS MAY HAVE HEATING AND AIR CONDITIONING PERFORMANCE ISSUES AND/ OR INTERMITTENT OPERATION. *YC