Heater:combustion(gas):defroster:defogger:hose:duc
Defect Summary
The connector tube that is located between the intake air blower and the combustion chamber may be cracked. Under total separation of the connector tube, in conjunction with the inadequate sealing or resealing of the exhaust tube at the vehicle skin, carbon monoxide gas could leak. This gas is a colorless, odorless product.
Corrective Action
The dealer will remove the furnace from the housing, remove the blower assembly and replace the connector tube and the exhaust gasket free of charge.
Similar Recalls
Other recalls from Suburban or involving Visibility.
FAQ: Recall 77E012000
Your rights, the repair process, and what each field on this page means.
What is recall 77E012000?
NHTSA recall 77E012000 was issued by Suburban on June 15, 1977. It addresses: Heater:combustion(gas):defroster:defogger:hose:duc. The recall affects approximately 85,000 vehicles, with the defect involving the Visibility component.
How do I get this recall repaired?
Contact any authorized Suburban dealer and reference NHTSA recall ID 77E012000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.