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Service bulletins for the 2007 Hummer H3

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.

822 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Radiator are shown. Show all

Bulletins, newest first
PIE03542017-08-31. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This engineering informational bulletin is requesting information from the field of vehicles that have the conditon of coolant leak from radiator
PIE0354A2017-07-18. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. This engineering informational bulletin ends the need for information from the field on vehicles with the condition of a leaking radiator.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.