ChevroletBlazer1990Overview/chevrolet/blazer/1990/base/

1990 Chevrolet Blazer

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1990 Blazer.

Body SUV

The 1990 Chevrolet Blazer is a sport utility vehicle built on a body-on-frame platform, powered by an engine requiring 5.5 quarts of 5W-30 API-rated oil for maintenance and service intervals. Across its complaint history spanning 1990 to 2026, the 1990 model recorded 43 total owner complaints with service brakes and hydraulic systems as the top concern area, alongside four safety recalls—a figure modest in comparison to the 1,418 complaints logged for the 1995 model year. This positions the 1990 Blazer among the more reliable iterations in the model's lineage, with complaint levels significantly below the peak years that followed, suggesting this early-third-generation model represents a comparatively stable reference point for longitudinal ownership studies of the platform.

Model year202620252024202320222021202020191990

Quick specs

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

Engine oil capacity5.5 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
Lug nut torque88 ft-lbsOEM · verified

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 weight3591 lb
Track (front / rear)56.7 / 55.1 in

Performance & power Independent road tests

0–60 mph, quarter-mile, horsepower and torque from independent road tests.

Independent road tests for the Blazer of this era, listed by trim and engine — this page spans more than one engine, so no single horsepower figure is shown.

9.1–10.1 sec0–60 mph (tested)quickest 9.10 sec — 1995 LT
YearTrim / engine0–60¼ mileHPDrivetrain
1995LT 4.3L V69.10 sec17.00 sec190 hp4x4
1995LT 4.3L V69.40 sec17.10 sec190 hp4x4
1997LS 4.3L V69.30 sec17.10 sec190 hp4x4
1998LS 2-door 4.3L V610.10 sec17.30 sec190 hp4x4

Service quick specs OEM factory data

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

This engine holds 5.5 qt of 5W-30 API engine oil, 80W-90 · GL-5 in the differential, DOT 3 brake fluid. Torque lug nuts to 88 ft-lbs.

Lubricants & capacities

Brake FluidDOT 3
Differential Gear Oil80W-90 · GL-5
Differential Gear Oil Capacity14.0 qt
Engine Oil5W-30 · API
Engine Oil Capacity5.5 qt
Engine Oil15W-40 · 10W-30
Engine Oil Capacity7 qt

Chassis torques

Lug Nuts88 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 every 5,000 mi.

At 5,000 miDrive Axle Assembly (drain & refill) · Tire & Wheel Assembly (rotate) · Universal Vehicle Operation (inspect idle speed)
Every 5,000 miAccessory Drive Belt (inspect) · Brake Hydraulic System (inspect fluid level) · Brake System (inspect) · Driveshaft U-Joint (lubricate) · Engine Oil Filter (replace) · Parking Brake Cable (lubricate)
At 7,500 miEngine Oil Filter (replace)
Every 7,500 miBody Latches, Locks & Hinges (inspect) · Brake Line (inspect) · Brake Linings (inspect) · CV Joint Boot (inspect) · Differential (inspect fluid level) · Engine Coolant System (leak inspection)
Every 10,000 miAir Intake System (inspect) · Radiator Fan Assembly (inspect) · Tire & Wheel Assembly (rotate) · Underbody Splash Shield (inspect)
Every 15,000 miEngine Oil Filter (replace)
Every 30,000 miClutch Cross Shaft (lubricate) · Clutch Release Lever Pivot Points (lubricate) · EGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Fuel Evaporative Emission Control System (inspect)
Every 60,000 miCrankcase Depression Regulator Valve (inspect) · Exhaust Pressure Regulator (inspect) · Fuel Filter (replace) · Fuel Line (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect)

Reliability & federal safety record

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

The 1990 Blazer opens the federal record with 43 complaints, four recalls, nine investigations, and ten TSBs — figures that are the lowest of the entire 1990-2005 generation and a fraction of the 1991-1996 surge that saw complaints climb to 1,418 and recalls hold at seven to eleven annually. The 1991 model year alone records 245 complaints, nearly six times the 1990 total, and the complaint trajectory continues upward through the mid-1990s before declining after 1996; 1990 also shows the fewest TSBs (10 versus 11-74 in subsequent years through 1996). The data does not specify why 1990 is an outlier, but the pattern suggests either fewer early-reported defects or a smaller on-road population generating fewer filings. Leading 1990 complaint categories are service brakes hydraulic (10), engine and engine cooling (5), seat belts (5), and electrical system (4), with four crash and seven fire complaints recorded. Given its position at the nadir of the generation's complaint and recall arc, the 1990 model presents the cleanest federal record of the series, though age-related deterioration now dominates any remaining risk. This is a comparatively good year to buy if a well-maintained example can be found, but the low original numbers reflect reporting volume as much as inherent reliability.

4
Open recalls
NHTSA campaigns
10
Service bulletins
Manufacturer communications
9
ODI investigations
Office of Defects Investigation
43
Owner complaints
4 involved a crash · 7 a fire

Owner complaints filed with NHTSA, by component

All 43 complaints on record, top 8 components.

Service Brakes, Hydraulic10
Engine & Engine Cooling5
Seat Belts5
Electrical System4
Tires3
Suspension3
Seats3
Power Train3

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 4 campaigns on record for this vehicle.

06E026000Exterior LightingReported 23/03/2006

CERTAIN PRO-A MOTORS CORNER LAMPS, TURN SIGNALS, AND HEADLIGHTS SOLD AS REPLACEMENT LAMPS FOR USE ON CERTAIN PASSENGER VEHICLES LISTED ABOVE. SOME COMBINATION LAMPS THAT ARE NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL… Remedy: PRO-A MOTORS WILL NOTIFY OWNERS AND OFFER TO REPURCHASE THE LAMPS. THE RECALL BEGAN ON APRIL 3, 2006. OWNERS MAY CONTACT PRO-A MOTORS AT 323-838-2988.

06E043000Fuel System, GasolineReported 19/05/2006

CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18… Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION…

Technical service bulletins NHTSA · verified

Showing 5 of 10 bulletins on record with NHTSA.

BulletinDateComponentSummary
020730024A2005-08-01Power TrainDIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY…
020152004-01-01SuspensionPOP SNAP NOISE IN THE FRONT SUSPENSION WHEN BRAKING. *MR
990730016A2002-10-01Power TrainDIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR…
9909410042000-01-01Air BagsINFORMATION REGARDING SWITCHES TO TURN OFF AND ON FRONTAL AIR BAGS FOR PASSENGER CARS AND…
9909400042000-01-01SeatsGENERAL MOTORS BEGAN PROVIDING CHILD RESTRAIN SEAT TOP TETHER HARDWARE PACKAGES TO…

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. 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 1990 Blazer take?

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

Does the 1990 Blazer have open recalls?

NHTSA lists 4 recall campaign(s) for this model year. Check your specific vehicle by VIN.