ChevroletBlazer 4WD1994Overview/chevrolet/blazer-4wd/1994/base/

1994 Chevrolet Blazer 4WD

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1994 Blazer 4WD.

The 1994 Chevrolet Blazer 4WD takes 4 qt of 5W-30 engine oil.

Model year200219941983

Quick specs

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

Engine oil capacity4 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque120 ft-lbsOEM · verified

Fitment & sizes

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

From the factory this vehicle uses OE oil filter 12737090. 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 filter12737090 alt 25160561
Engine air filter19259103 alt 06484235
Fuel filter10154635 alt 25171792
Spark plug19302741
Front wiper blades93441742 alt 15184702
Serpentine belt12551136 alt 10085747
Thermostat10190925 alt 12559338

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length188.2 in
Overall width77.2 in
Overall height72 in
Wheelbase111.4 in
Curb weight4742 lb
Track (front / rear)64.2 / 63.8 in
Weight distribution (front / rear)53/47

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. Torque lug nuts to 120 ft-lbs.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity4.5 qt
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity10.0 qt
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity5.5 qt
Engine CoolantETHYLENE GLYCOL

Chassis torques

Lug Nuts120 ft-lbs

Factory maintenance schedule OEM · verified

Normal service, condensed from the factory interval matrix.

Under the factory schedule, replace the engine oil and filter at 7,500 mi; spark plugs every 60,000 mi.

Every 5,000 miBrake Hydraulic System (inspect fluid level) · Brake System (inspect) · Differential (inspect fluid level) · Power Steering System (inspect) · Throttle Linkage (inspect)
At 7,500 miDrive Axle Assembly (drain & refill) · Engine Oil Filter (replace) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miBody Latches, Locks & Hinges (inspect) · Brake Line (inspect) · Brake Linings (inspect) · CV Joint Boot (inspect) · Driveshaft U-Joint (lubricate) · Engine Coolant System (leak inspection)
Every 10,000 miAir Intake System (inspect) · Radiator Fan Assembly (inspect)
Every 15,000 miEngine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 30,000 miClutch Cross Shaft (lubricate) · Clutch Release Lever Pivot Points (lubricate) · EGR System (inspect) · Early Fuel Evaporation System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace)
Every 60,000 miAccessory Drive Belt (inspect) · Exhaust Pressure Regulator (inspect) · Ignition Timing (inspect) · PCV System (inspect) · Spark Plug Wires (inspect)

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

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Vehicles with shared specs

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Reference guides

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

Frequently asked

How much oil does the 1994 Blazer 4WD take?

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