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Service bulletin SL-PI-70310

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 id10031011
Published by NHTSA2009-12-30
Manufacturer's numberSL-PI-70310
Manufacturer's date2009-06-09
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA's summary

CATERPILLAR: PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REWORKING OR9749, OR9750, AND 148-2144 CYLINDER HEADS IN DEALER PARTS STOCK. SOME CYLINDER HEADS WERE ASSEMBLED WITH INTAKE AND EXHAUST VALVES IN THE INCORRECT POSITION. NO MODEL YEARS LISTED. *PE

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

Equipment and accessories, Labels and manuals

Vehicles listed
CATERPILLAR C101998 to 1999
CATERPILLAR C121998 to 1999
CATERPILLAR CATERPILLAR

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