GMC Truck›C-Series Pickup›1994›Overview/gmc-truck/c-series-pickup/1994/base/

1994 GMC Truck C-Series Pickup

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1994 C-Series Pickup.

The 1994 GMC Truck C-Series Pickup takes 4 qt of 5W-30 engine oil.

Model year1996199419931991

Quick specs

Fluid capacities, tune-up values and fuel economy at a glance.

Engine oil capacity4 qtOEM · verified
Engine oil type5W-30 APIOEM · verified

Fitment & sizes

Replacement part sizes and factory part numbers — battery, bulbs, filters and belts.

From the factory this vehicle uses OE oil filter 25160561. Each part links to every other vehicle that shares it, so a part you already stock may fit more of your fleet than you'd expect.

OE service part numbers OEM · verified

Engine oil filter25160561 alt 12737090
Engine air filter06484235 alt 06419892
Fuel filter10154635 alt 25171792
Spark plug19302741
Front wiper blades15184702 alt 93441742
Serpentine belt10229101 alt 12551136
Thermostat10190925 alt 12559338

Service quick specs OEM factory data

Capacities, torques and tune-up values from the factory service manual.

This engine holds 4 qt of 5W-30 API engine oil, 80W-90 · GL-5 in the differential, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity14.0 qt
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity14.0 qt
Engine Oil5W-30 · API
Engine Oil Capacity4 qt
Engine Oil5W-30 · API

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter every 5,000 mi.

Every 3,000 miKing Pin (lubricate)
At 5,000 miDrive Axle Assembly (drain & refill)
Every 5,000 miBrake Hydraulic System (inspect fluid level) · Brake System (inspect) · Driveshaft U-Joint (lubricate) · Engine Oil Filter (replace) · Parking Brake Cable (lubricate) · Power Steering System (inspect)
At 6,000 miDrive Axle Assembly (drain & refill) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 6,000 miBody Latches, Locks & Hinges (inspect) · Brake Line (inspect) · Brake Linings (inspect) · Differential (inspect fluid level) · Engine Oil (drain & refill) · Parking Brake System (inspect)
Every 7,500 miExhaust System (Complete) (inspect)
Every 10,000 miRadiator Fan Assembly (inspect)
Every 12,000 miAir Cleaner Manifold Heat Control Actuator (inspect) · Engine Oil Filter (replace) · Tire & Wheel Assembly (rotate) · Underbody Splash Shield (inspect)
At 15,000 miDrive Axle Assembly (drain & refill)

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 C-Series Pickup. 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.

Vehicles with shared specs

Find every vehicle that shares this one's battery, bulbs, oil capacity, platform or parts.

Vehicles taking 4 qtEngine oil filter 25160561Engine air filter 06484235Fuel filter 10154635Spark plug 19302741

Reference guides

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

OBD-II trouble codesMaintenance schedulesFluid capacities & specs

Frequently asked

How much oil does the 1994 C-Series Pickup take?

4 qt of 5W-30 API, per the factory manual.