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Service bulletin PI540

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 id622248
Published by NHTSA2001-10-16
Manufacturer's numberPI540
Manufacturer's date2001-08-14
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

SUBJECT REGARDING HEATER BLOWER MOTOR REPLACEMENT. *TT

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
MACK CH2000, 2001
MACK CV2000 to 2001
MACK CX2000 to 2001

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