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Service bulletin C0136

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 id10000536
Published by NHTSA2003-03-24
Manufacturer's numberC0136
Manufacturer's date2002-03-14
Replaces0136
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

SIGNATURE/ISX/QSX INTAKE ROCKER LEVER ADJUSTING SCREW. *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

Engine

Vehicles listed
CUMMINS ISX
CUMMINS QSK
CUMMINS SIGNATURE

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