The 1978 Pontiac Bonneville has 2 NHTSA recall campaigns affecting an estimated 338,123 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 4 complaints with NHTSA, most often about the tires. Last updated July 5, 2026.
Recall campaigns
ENGINE AND ENGINE COOLING78V1390001978-06-13333,619 affected
Defect
THE HUB PORTION OF THE FAN BLADE ASSEMBLY COULD CRACK DUE TO HIGH STRESS LEVELS GENERATED DURING ENGINE OPERATING CONDITIONS. EVENTUALLY, THE BLADE COULD BREAK APART AT THE HUB AND BLADE PIECES COULD BE PROPELLED INTO THE ENGINE. IF THE HOOD IS OPEN WHILE THE ENGINE IS RUNNING, THE FRAGMENTS WOULD BE FREE TO FLY FROM…
Remedy
DEALER WILL REPLACE THE FAN BLADE ASSEMBLY WITHOUT CHARGE TO OWNER.
WHEELS77V2000001977-11-164,504 affected
Defect
THE REAR WHEEL MOUNTING BOLTS ON THE AFFECTED VEHICLES, ARE BRITTLE AND THEREFORE MAY FRACTURE. THIS BRITTLENESS IS DUE TO IMPROPER HEAT TREATMENT DURING MANUFACTURE. IF THE BOLTS BREAK, THE TIRE AND WHEEL ASSEMBLY MAY SEPARATE FROM THE VEHICLE.
Remedy
DEALER WILL INSPECT AND, IF NECESSARY, WILL REPLACE DEFECTIVE BOLTS ON ALL AXLES AND THE TEN REAR AXLE WHEEL MOUNTING BOLTS, FREE OF CHARGE.
Complaints by component
TIRES:TREAD/BELT
2
POWER TRAIN
1
VEHICLE SPEED CONTROL
1
Total complaints4
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Cruise control failed.”
“Speedometer failed.”
“Uniroyal tire blew out due to premature tread damage. *skd”
“The firestone fr721 p215/75r15 ms tires on the vehicle experienced over nine occasions of tire defects, most of which were tread separations, all failures occurred between the mileages of 42,000 to 94,638 miles. *mjs”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1978 Pontiac Bonneville as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.