Does the 1979 GMC C20 have any recalls?

2 recalls found in NHTSA data as of September 22, 2026, covering: service brakes, hydraulic, exterior lighting. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 1979 GMC C20 recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a GMC dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 1979 GMC C20?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

1979 GMC C20 recalls

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

2 recalls found in NHTSA data as of September 22, 2026

For the 1979 GMC C20. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your GMC been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A GMC dealer can also check your VIN. Recall repairs are free.

1979 GMC C20 recalls, newest first

January 13, 1981NHTSA 81V010000320,677 vehicles potentially affected

Service brakes, hydraulic › Power assist › Vacuum

Summary: Fatigue cracks may develop in the brake vacuum booster housing. This may cause a vacuum leak and reduce the effectiveness of the brakes. After prolonged use, the cracks may develop to the extent that the booster may separate from the vehicle.
Remedy: Vehicles will be inspected for fatigue cracks in the brake vacuum booster. Those without cracks will have a support brace installed. Those with evidence of cracking will have a new brake vacuum booster and support brace installed. This service will be provided at no charge.

This recall on nhtsa.gov

June 6, 1979NHTSA 79V14200015,328 vehicles potentially affected

Exterior lighting › Brake lights › Switch

Summary: On the involved vehicles the brake stoplight and cruise control switch which is operated by the brake pedal may have been assembled with an incorrect lubricant on the actuating plunger. This can cause the rear brake stoplights to become inoperative and the cruise control, if activated, to stay electrically engaged.
Remedy: Dealer will inspect and, if necessary, replace the brake stoplight and cruise control switch at no cost to owner.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 1979 GMC C20 were found in NHTSA’s complaint data.

Other GMC C20 years

Other 1979 GMC models

Questions

Does the 1979 GMC C20 have any recalls?: 2 recalls found in NHTSA data as of September 22, 2026, covering: service brakes, hydraulic, exterior lighting. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 1979 GMC C20 recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a GMC dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 1979 GMC C20?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.