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Service bulletin K93039325

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 id10129915
Published by NHTSA2018-03-12
Manufacturer's numberK93039325
Manufacturer's date2018-01-02
NHTSA componentFUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL

NHTSA's summary

Mack Chassis - Diesel Exhaust Fluid ( DEF ) Contamination In Fuel System, Inspection And Repair - US10 And Newer; Includes US17 Chassis (GHG17 Only document in development)

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Vehicles listed
MACK ASET
MACK CH
MACK CHK SERIES
MACK CHU
MACK CL
MACK CLASS 6
MACK CLASS 7
MACK CLASS 8
MACK CRD SERIES
MACK CRD112/113
MACK CRD200
MACK CRD92/93
MACK CS 300
MACK CS 300P
MACK CS SERIES
MACK CV
MACK CX
MACK CXU
MACK DM
MACK DM SERIES
MACK DM400
MACK DM600
MACK DM807
MACK DM809
MACK DM811
MACK DMM SERIES (the catalog's model; the bulletin names a series or trim of it)
MACK E6
MACK E7
MACK F SERIES
MACK FDM
MACK FREEDOM
MACK GU
MACK J-TECH
MACK LE
MACK LR
MACK M35AK
MACK M65BX
MACK MACK
MACK MB SERIES
MACK MC400
MACK MC600
MACK MH
MACK MIDLINER
MACK MIDR
MACK MR
MACK MR SERIES
MACK MR400
MACK MR600
MACK MS SERIES
MACK MS200P
MACK MS300
MACK MS300P
MACK R
MACK RB
MACK RD
MACK RD SERIES
MACK RM SERIES
MACK RW SERIES (the catalog's model; the bulletin names a series or trim of it)
MACK SR70
MACK T200
MACK T2060A
MACK T2090L
MACK T2090LR
MACK T300
MACK TD
MACK U
MACK V-MAC
MACK V-MAC III
MACK WL
MACK WS

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