Vehicle recall 77V166000 · October 5, 1977

1975-1977 Porsche 911

The installation of the vpc air conditioner requires replacement of the standard heater hose with a special hose.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary: The installation of the vpc air conditioner requires replacement of the standard heater hose with a special hose. This hose may have been pushed too far into the heat exchanger and may come into contact with the exhaust pipe.
Remedy: Dealer will replace the aluminum-paper-aluminum hose with an all-aluminum hose without charge to owner.
Notes: Vehicle description: passenger vehicles equipped with vpc air conditioners.system: exhaust manifold; heater hose.consequences of defect: the temperature in the special aluminum-paper-aluminumhose can approach the ignition point of the paper, possibly leading to avehicle fire and serious injury to passengers.

Recall details

NHTSA campaign: 77V166000
Reported to NHTSA: October 5, 1977
Filed by: PORSCHE CARS N.A. INC.
Owner notification: October 21, 1977
Vehicles potentially affected: 2,800
Initiated by: the manufacturer
Components: Visibility › Defroster/defogger/HVAC system › Heater core

Recall 77V166000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Porsche 911 (1975-1977): 1977, 1976, 1975

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