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Service bulletin 3156-00

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 id10058382
Published by NHTSA2015-09-09
Manufacturer's number3156-00
Manufacturer's date2015-07-27
NHTSA componentEQUIPMENT

NHTSA's summary

ON SOME CT660 HIGHWAY TRUCKS THE CURRENT EXHAUST FLEX PIPES CAN CRACK, CAUSING LEAKAGE. *CN

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

Vehicles listed
CATERPILLAR CATERPILLAR

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