GeoStorm1993Overview/geo/storm/1993/base/

1993 Geo Storm

Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 1993 Storm.

Body PASSENGER CAR

Classified as a passenger car requiring 4.6 quarts of 10W-30 or 5W-30 API oil, the 1993 Geo Storm recorded 63 total owner complaints with zero recalls, primarily centered on the electrical system. Within the broader 1990-1995 model history, this variant sits between the generation's highest complaint count of 98 in 1991 and the lowest of 2 in 1995. This positioning places the 1993 model in the middle of the vehicle's reliability history, distinct from the peak issues of the early years and the minimal complaints of the final edition.

Model year199319921991

Quick specs

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

Engine oil capacity4.6 qtOEM · verified
Engine oil type10W-30 / 5W-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 25161877. Note the factory fuel filter and front wiper blades are now discontinued — plan on a superseded or quality aftermarket equivalent, which the part pages below list where known.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 filter25161877 alt 25013451
Engine air filter25322205
Fuel filter25121160 discontinued
Spark plug94328372 alt 19302733
Front wiper blades12363388 discontinued
Serpentine belt94137478 alt 94379597
Thermostat94332466 alt 94336069

Service quick specs OEM factory data

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

This engine holds 4.6 qt of 10W-30 / 5W-30 API engine oil, DOT 3 brake fluid.

Lubricants & capacities

Brake FluidDOT 3
Engine CoolantETHYLENE GLYCOL
Engine OilAPI · 10W-30 · 5W-30
Engine Oil Capacity4.6 qt
Engine OilAPI · 10W-30 · 5W-30
Engine Oil Capacity4.6 qt
Power Steering FluidUSE GM PART NO. 1052884 OR EQUIVALENT

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 30,000 mi; coolant every 30,000 mi. The big-interval services (every 30,000 mi for coolant, and the transmission fluid) are the ones owners most often skip — on a lower-mileage example, assume the original fluids are still in it and check them first.

At 7,500 miEngine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 7,500 miBody Latches, Locks & Hinges (inspect) · Clutch Release Lever Pivot Points (lubricate) · Engine Oil (drain & refill) · Exhaust System (Complete) (inspect) · Steering System (inspect) · Suspension System (inspect)
Every 15,000 miBrake System (inspect) · Engine Oil Filter (replace) · Engine Valves (inspect valve lash) · Fuel Line (inspect) · Fuel Tank (inspect) · Fuel Tank Filler Cap (inspect)
Every 22,500 miPower Steering System (drain & refill)
Every 30,000 miAccessory Drive Belt (inspect) · Engine Air Filter Element (replace) · Engine Coolant System (drain, flush & refill) · Oxygen Sensor (inspect) · PCV System (inspect) · Spark Plugs (replace)
Every 45,000 miPower Steering Line (replace)
Every 60,000 miTiming Belt (replace)
Every 100,000 miTransmission Assembly (drain & refill)

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 1993 Geo Storm marks a notable decline in federal complaints—dropping to 63 from the 98 reported in both 1991 and 1992—while also seeing no recalls or investigations, a first for the generation. This suggests a mid-cycle stabilization after the peak complaint volumes of the earlier years, though the absence of recalls in 1993 contrasts with the 3 issued in 1990 and 2 in 1991, indicating either resolved issues or fewer critical defects surfacing. Complaints remain concentrated in the electrical system (16) and engine/cooling (14), consistent with prior years, while crash-related reports (12) and fire incidents (2) remain relatively low. The trend implies that 1993 benefited from incremental refinements, though persistent electrical and engine concerns warrant scrutiny. With no recalls and a reduced complaint load, this year appears to be a comparatively reliable choice within the Storm’s production run.

0
Open recalls
NHTSA campaigns
1
Service bulletins
Manufacturer communications
0
ODI investigations
Office of Defects Investigation
63
Owner complaints
12 involved a crash · 2 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 63 complaints on record, top 8 components.

Electrical System16
Engine & Engine Cooling14
Air Bags7
Latches/Locks/Linkages4
Visibility3
Electrical System,Vehicle Speed Control2
Vehicle Speed Control2
Suspension2

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

No recall campaigns on record with NHTSA for this vehicle as of the last data refresh.

Technical service bulletins NHTSA · verified

Showing 1 of 1 bulletins on record with NHTSA.

BulletinDateComponentSummary
1300890092013-09-01Engine And Engine CoolingExpanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

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 Storm. 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 1993 Storm take?

4.6 qt of ABOVE 40 degrees F 30W API, ABOVE 0 degrees F 10W-30 API, ALL TEMPERATURES 5W-30 API, per the factory manual.

Does the 1993 Storm have open recalls?

NHTSA lists 0 recall campaign(s) for this model year. Check your specific vehicle by VIN.