ChevroletBlazer 4WD1989Overview/chevrolet/blazer-4wd/1989/base/

1989 Chevrolet Blazer 4WD

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1989 Blazer 4WD.

The 1989 Chevrolet Blazer 4WD takes 4 qt of 5W-30 engine oil.

Model year200319961989

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. Note the factory fuel filter is now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known. 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
Engine air filter06484235 alt 08996118
Fuel filter25171792 discontinued · alt 25011765
Spark plug19302741
Front wiper blades15184702 alt 12363297
Serpentine belt09433734 alt 09433764
Thermostat14077122 alt 10105135

Full specifications

Engine, drivetrain, dimensions and economy.

Dimensions & weight NHTSA vPIC

Overall length170.5 in
Overall width65.4 in
Overall height65 in
Wheelbase99.6 in
Curb weight3327 lb
Track (front / rear)56.7 / 55.1 in

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 Capacity4.5 qt
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity10.0 qt
Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
Engine Oil Capacity4 qt

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.

At 5,000 miUniversal Vehicle Operation (inspect idle speed)
Every 5,000 miBrake System (inspect) · Engine Oil Filter (replace)
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) · Differential (inspect fluid level) · Driveshaft U-Joint (lubricate)
Every 10,000 miAir Intake System (inspect) · Radiator Fan Assembly (inspect) · Tire & Wheel Assembly (rotate)
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) · Crankcase Depression Regulator Valve (inspect) · Distributor Cap (inspect) · Exhaust Pressure Regulator (inspect) · Fuel Filter (replace) · Fuel Line (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

Decode factory build data for a specific vehicle by VIN.

VIN
Decode a VIN to confirm the transmission and build data for a specific Blazer 4WD. 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.

Reference guides

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

Frequently asked

How much oil does the 1989 Blazer 4WD take?

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