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Service bulletin PI536

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 id621730
Published by NHTSA2001-10-01
Manufacturer's numberPI536
Manufacturer's date2001-05-11
ReplacesPI536
NHTSA componentSUSPENSION

NHTSA's summary

SUBJECT REGARDING HENDRICKSON HN SUSPENSION 18-1/2 INCH SADDLE INSPECTION ON CERTAIN WASTE MANAGEMENT, INC. MODEL CHASSIS. *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

Suspension

Vehicles listed
MACK DM
MACK LE
MACK MR
MACK RD

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