Defect
THE NUT ON THE CARRIER SUPPORT BOLT ASSEMBLY MAY BREAK WHICH WOULD ALLOW THE ENTIRE WHEEL AND TIRE ASSEMBLY TO SEPARATE FROM THE VEHICLE.
Remedy
DEALER WILL REPLACE THE TIRE AND WHEEL CARRIER BOLT ASSEMBLY AT NO CHARGE.
1978 GMC C15 problems
Verdict · NHTSA data
Limited data — recalls on file
NHTSA has just one complaint on file for the 1978 GMC C15 — too few to judge reliability from owner reports alone — but one recall campaign applies to this year, so any used example should have its VIN checked for completed recall work.
1
NHTSA complaints
1
Recalls
0
Investigations
0
Crash-involved
0
Fires reported
0
Injuries
0
Deaths
—
NCAP overall
How does 1978 compare to other C15 years?
What are the most common 1978 GMC C15 problems?
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Transmission | 1 | 100% | new |
Does the 1978 GMC C15 have recalls?
1 NHTSA recall campaign on file. Recall repairs are free at franchised dealers.
1978 GMC C15 — common questions
Is the 1978 GMC C15 reliable?
The record is thin — 1 NHTSA complaint — so owner-report data can't strongly confirm reliability either way, though 1 recall should be verified as completed.
Does the 1978 GMC C15 have recalls?
Yes — NHTSA lists 1 recall campaign affecting the 1978 GMC C15. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.
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.