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Service bulletin 839

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 id10015124
Published by NHTSA2005-05-25
Manufacturer's number839
Manufacturer's date2005-04-01
NHTSA componentVISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

NHTSA's summary

HEATER CORE FAILURE. THE HEATER CORE MAY FAIL IF TOO MUCH FORCE IS EXERTED ON THE HEATER CORE TUBES, OR IF A REPETITIVE SIDE-TO-SIDE OR UP-AND-DOWN FORCE IS EXERTED ON THE TUBES WHEN REMOVING OR INSTALLING THE HEATER HOSES. L-LINE, A-LINE AND ACTERRA MODELS. STERLING. *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

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
UNKNOWN UNKNOWN

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