VehicleVerdict

1977 Mercury Cougar problems

Verdict · NHTSA data

Limited data — recalls on file

NHTSA has just 0 complaints on file for the 1977 Mercury Cougar — too few to judge reliability from owner reports alone — but 4 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.

0

NHTSA complaints

4

Recalls

0

Investigations

0

Crash-involved

0

Fires reported

0

Injuries

0

Deaths

—

NCAP overall

How does 1977 compare to other Cougar years?

Cougar NHTSA complaints by model year, 1977 highlighted740 complaints1962: 1 complaints1967: 0 complaints1968: 0 complaints1969: 0 complaints1970: 0 complaints1971: 0 complaints1972: 0 complaints1973: 3 complaints1974: 0 complaints1975: 0 complaints1976: 0 complaints1977: 0 complaints1978: 2 complaints1979: 0 complaints1980: 3 complaints1981: 0 complaints1982: 2 complaints1983: 2 complaints1984: 25 complaints1985: 22 complaints1986: 20 complaints1987: 49 complaints1988: 72 complaints1989: 104 complaints1990: 104 complaints1991: 98 complaints1992: 122 complaints1993: 236 complaints1994: 178 complaints1995: 160 complaints1996: 77 complaints1997: 112 complaints1998: 1 complaints1999: 740 complaints2000: 283 complaints2001: 103 complaints2002: 127 complaints
Cougar NHTSA complaints by model year, 1977 highlighted. Red bars are years to avoid.

See all Cougar years to avoid →

Does the 1977 Mercury Cougar have recalls?

4 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.

08E019000Fuel SystemMarch 6, 2008 · 1,937 units

Defect

INTERCONTINENTAL AUTO PARTS IS RECALLING 1,937 FUEL FILTERS, P/NOS ALG 44/1 AND PUROLATOR F10024, SHIPPED BETWEEN JANUARY 14 AND FEBRUARY 13, 2008, SOLD FOR USE ON THE VEHICLES LISTED ABOVE. THE FILTER'S OUTLET CAP MAY NOT BE SECURELY CRIMPED TO THE HOUSING. THIS COULD RESULT IN A SEPARATION OF FILTER'S OUTLET CAP FROM THE HOUSING.

Consequence

IF THIS CONDITION OCCURS WHILE ATTEMPTING TO START THE VEHICLE, A NO START CONDITION MAY RESULT AND FUEL MAY BE PUMPED ONTO THE GROUND. IF THIS OCCURS WHILE THE VEHICLE IS IN MOTION, THE ENGINE MAY STOP DUE TO INADEQUATE FUEL SUPPLY. IF AN IGNITION SOURCE WERE PRESENT, FUEL LEAKAGE MAY RESULT IN A FIRE.

Remedy

INTERCONTINENTAL WILL REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING MARCH 2008. OWNERS MAY CONTACT INTERCONTINENTAL AT 800-451-2593.

84V078000EngineJune 26, 1984 · 810,000 units

Defect

BLADES MAY CRACK AND MAY, OVER A PERIOD OF TIME, LOOSEN FROM FAN ASSEMBLY.

Remedy

FAN ASSEMBLY WILL BE REPLACED WITHOUT CHARGE.

80V144000EngineNovember 7, 1980 · 209,100 units

Defect

SOME OF THE FLEXIBLE FIVE-BLADE ENGINE COOLING FANS MAY BE SUBJECT TO HIGH BLADE STRESSES THAT CAN RESULT FROM RESONANT VIBRATION INPUTS OCCURRING DURING NORMAL VEHICLE OPERATION. THIS CAN LEAD TO FATIGUE CRACKING OF THE BLADES. PORTIONS OF THE BLADE MAY SEPARATE FROM THE FAN ASSEMBLY WITHOUT PRIOR WARNING.

Remedy

DEALER WILL REPLACE FAN WITH AN IMPROVED FIVE-BLADED VERSION WITHOUT CHARGE TO OWNER.

77V141000Fuel SystemSeptember 13, 1977 · 60,000 units

Defect

THE INVOLVED VEHICLES MAY EXPERIENCE FUEL LEAKAGE AT THE RUBBER HOSE CONNECTING THE FUEL INLET TUBE TO THE CARBURETOR FILTER. THIS LEAKAGE CONDITION IS DUE TO INSUFFICIENT INSERTION OF THE FUEL TUBE INTO THE HOSE OR IMPROPER POSITIONING OF THE HOSE CLAMP, CAUSING THE CLAMP TO BE CRIMPED DIRECTLY OVER THE FUEL TUBE BEAD.

Remedy

DEALER WILL REPLACE THE EXISTING FUEL HOSE CLAMP WITH A SPRING-TYPE CLAMP AT THE HOSE-TO-FUEL INLET TUBE CONNECTION, AND ADJUST THE CONNECTION WHERE NECESSARY, WITHOUT CHARGE.

1977 Mercury Cougar — common questions

Is the 1977 Mercury Cougar reliable?

The record is thin — 0 NHTSA complaints — so owner-report data can't strongly confirm reliability either way, though 4 recalls should be verified as completed.

Does the 1977 Mercury Cougar have recalls?

Yes — NHTSA lists 4 recall campaigns affecting the 1977 Mercury Cougar. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.

Which Mercury Cougar years should you avoid?

Based on complaint rates and open investigations, the Cougar years to avoid are 1999, 2000, 1993, 1994, 1995, 2002, 1992, 1997, 1989, 1990, 2001, 1991, 1996, 1988, 1987. The cleanest record among Cougar years belongs to 1981.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.