Vehicle recall 87V071000 · May 27, 1987

1985-1986 Isuzu I-Mark

Vehicle may experience perforation of the fuel pump diaphragm.

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

Summary: Vehicle may experience perforation of the fuel pump diaphragm. Excessive alcohol content in the fuel promotes degradation of the diaphragm coating resulting in radial cracking of the diaphragm.
Consequence: A perforated diaphragm can allow fuel to leak from thefuel pump into the underhood area. This could ultimately result in anunderhood fire without prior warning. Such a fire could spread to thepassenger compartment.
Remedy: A fuel ventalation hose kit will be installed to prevent fuel from escaping into the engine compartment if the fuel pump diaphragm leaks and thereby reduce the possibility of an underhood fire.
Notes: System: fuelvehicle description: passenger cars.

Recall details

NHTSA campaign: 87V071000
Reported to NHTSA: May 27, 1987
Filed by: ISUZU MOTORS LIMITED
Owner notification: May 21, 1987
Vehicles potentially affected: 28,509
Initiated by: the manufacturer
Components: Fuel system, gasoline › Delivery › Fuel pump

Recall 87V071000 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.

Isuzu I-Mark (1985-1986): 1986, 1985

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