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Service bulletin MB700003

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 id620572
Published by NHTSA2001-08-14
Manufacturer's numberMB700003
Manufacturer's date2001-04-10
ReplacesMB700003
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

THIS BULLETIN HAS BEEN REISSUED BECAUSE THE WIRING DIAGRAM WAS CHANGED TO MAKE THE HEATER BLOWER MOTOR CIRCUIT EASIER TO UNDERSTAND, AND TO ELIMINATE THE TWO BLOWER MOTOR RELAYS. *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

Electrical system, Wiring and fuses

Vehicles listed
MACK CS SERIES
MACK MS SERIES

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