GMC TruckK151978Overview/gmc-truck/k15/1978/base/

1978 GMC Truck K15

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1978 K15.

The 1978 GMC Truck K15 is a truck model whose broader reliability history from 1990 to 1996 includes a low of one complaint in 1990 and a peak of 11 in 1994. Since the provided data covers only the 1990-1996 window, the 1978 model year sits outside this specific reliability record. This means that the reported issues for this particular model year are not captured in the available statistics.

Model year19781977

Reliability & federal safety record

Owner-reported issues, recalls, investigations and service bulletins on record with NHTSA — an unfiltered look at what owners actually experience.

2
Open recalls
NHTSA campaigns
0
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
0
Owner complaints
0 involved a crash · 0 a fire
Owner complaints by model year NHTSA · this generation & adjacent

No owner complaints on record with NHTSA for this vehicle.

Recalls NHTSA · verified

Showing 2 of 2 campaigns on record for this vehicle.

78V177000Equipment:Mechanical:Carrier/RackReported 15/08/1978

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.

78V166000Steering:Linkages:Knuckle:Spindle:ArmReported 07/08/1978

THE FRONT NUTS MAY NOT HAVE BEEN TIGHTENED TO SPECIFICATIONS. THESE NUTS COULD LOOSEN DURING VEHICLE OPERATION AND CAUSE THE FRONT HUB AND ROTOR ASSEMBLY TO SEPARATE FROM THE WHEEL AND TIRE ASSEMBLY. Remedy: THE DEALER WILL TIGHTEN THE NUTS TO SPECIFICATIONS ON ALL AFFECTED VEHICLES AT NO COST TO OWNER.

Common OBD-II trouble codes

The most common OBD-II codes for this vehicle's emissions system. These are standardized SAE J2012 definitions, not vehicle-specific fault reports.

P0420
Catalyst system efficiency below threshold — Bank 1
P0300
Random / multiple cylinder misfire detected
P0171
System too lean — Bank 1
P0455
Evaporative emission system leak detected — large leak
P0128
Coolant thermostat below regulating temperature
P0442
Evaporative emission system leak detected — small leak

VIN tools

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific K15. OEM
Build data
Plant, GVWR class, engine and body data for any 17-character VIN.
Recalls
Check open recall campaigns against a specific vehicle by VIN.

Reference guides

Cross-vehicle references for the kinds of data on this page.

Frequently asked

Does the 1978 K15 have open recalls?

NHTSA lists 2 recall campaign(s) for this model year. Check your specific vehicle by VIN.