vehicle signal
U.S. public vehicle records

1977 Porsche 911: complaints, problems and recalls

Explore the records behind recurring owner reports.

Key facts

0 owner complaints analyzed

2 distinct recall campaigns

Not available median reported failure mileage

Scope: 1977 model year. Data snapshot: . 0 complaints include usable failure mileage.

Owner-reported patterns

Most common problems

No owner complaints are recorded for this selection. A complaint can name multiple components.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

No usable records for this chart.

Component breakdown data
CategoryCount

No records.

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000
0
25,000 to 49,999
0
50,000 to 74,999
0
75,000 to 99,999
0
100,000 to 149,999
0
150,000 and above
0
Reported problems by failure mileage data
CategoryCount
Under 25,0000
25,000 to 49,9990
50,000 to 74,9990
75,000 to 99,9990
100,000 to 149,9990
150,000 and above0

Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0

No usable failure mileage is recorded. 0 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

No usable records for this chart.

Complaints over time data
CategoryCount

No records.

Pattern summary

There is not enough complaint evidence to summarize patterns.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Examples from the source records

Examples provide context, not a representative sample or a verified diagnosis.

Recall history

2 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.

77V166000 · Visibility:Defroster/Defogger/Hvac System:Heater Core

Reported: 1977-10-05 (October 5, 1977)

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.

NHTSA campaign record ↗
78V113000 · Equipment:Other:Labels

Reported: 1978-05-22 (May 22, 1978)

ON THE INVOLVED VEHICLES, THE IDENTIFICATION OF THE FUNCTIONS OF THE AUTOMATIC SPEED CONTROL SYSTEM WAS OMITTED. THIS FAILS TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 101, "CONTROLS AND DISPLAYS".

Remedy: A PLASTIC IDENTIFICATION LABEL WILL BE PERMANENTLY AFFIXED TO THE INSTRUMENT PANEL.

NHTSA campaign record ↗