PontiacTrans Sport1990Overview/pontiac/trans-sport/1990/base/

1990 Pontiac Trans Sport

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

Body VANTransmission Automatic 3-spd

The 1990 Pontiac Trans Sport is a full‑size van built on a shared platform with the Pontiac Grand Prix, powered by a 4‑quart engine that requires 5W‑30 API oil for optimal performance; its EPA‑rated fuel economy of 16/21/18 mpg and a three‑speed automatic transmission reflect the era’s design priorities. In the broader 1990‑2003 reliability window, this model year sits near the lower end of owner complaint activity, with only 70 total complaints and a modest five recalls, although the structure of the vehicle remains the most frequently cited issue. Compared to the peak of 259 complaints in 1998 and a low of two in 2000, the 1990 Trans Sport’s relatively mild complaint profile suggests a relatively stable early‑model reliability record within the series.

Model year199819971996199519941993199219911990

Quick specs

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

Engine oil capacity4 qtOEM · verified
Engine oil type5W-30 APIOEM · verified
EPA fuel economy16/21/18 mpgEPA · verified

Full specifications

Engine, drivetrain, dimensions and economy.

Engine & drivetrain NHTSA vPIC

TransmissionAutomatic 3-spd

Dimensions & weight NHTSA vPIC

Overall length194.5 in
Overall width74.4 in
Overall height65.7 in
Wheelbase109.8 in
Curb weight3508 lb
Track (front / rear)59.4 / 61.8 in
Weight distribution (front / rear)58/42

Ratings & economy EPA / vPIC

EPA city / highway / combined16 / 21 / 18 mpg
DrivetrainFront-Wheel Drive
Recommended fuelRegular Gasoline

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.

Lubricants & capacities

Engine CoolantETHYLENE GLYCOL
Engine Oil5W-30 · API
Engine Oil Capacity4 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 60,000 mi; coolant every 7,500 mi. The big-interval services (every 7,500 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) · Throttle Body (torque) · Tire & Wheel Assembly (rotate)
Every 7,500 miBody Latches, Locks & Hinges (lubricate) · Brake System (inspect) · Engine Coolant System (leak inspection) · Engine Oil (drain & refill) · Parking Brake Cable (lubricate) · Shift Linkage (inspect)
Every 15,000 miEngine Oil Filter (replace) · Tire & Wheel Assembly (rotate)
Every 30,000 miEGR System (inspect) · Engine Air Filter Element (replace) · Engine Breather Filter (replace) · Fuel Filter (replace) · Fuel Line (inspect) · Fuel Tank (inspect)
Every 60,000 miAccessory Drive Belt (inspect) · Ignition Timing (inspect) · PCV System (inspect) · Spark Plug Wires (inspect)
Every 100,000 miTransmission Fluid & Filter (replace)

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 Pontiac Trans Sport opens the model run with 70 complaints, 5 recalls, and 10 investigations—representing the highest investigation count in the thirteen-year federal record and recall activity exceeded only by the six campaigns launched in 1997 and 1998. While owner complaints remained moderate compared to the generation’s distress peak of 254–259 filings in 1997–1998, this inaugural year attracted disproportionate regulatory scrutiny that subsequently declined to zero investigations by 1995, even as technical service bulletins grew from just 8 in 1990 to 40 by 1995 and 229 by 2001. Structural issues dominated the 1990 complaint portfolio with 22 filings, followed by seat belts (9) and engine cooling (8), though the data does not specify underlying causes; notably, the year recorded zero crash complaints and only one fire complaint. Positioned at the genesis of a trend line that shows escalating service bulletins and mid-generation complaint spikes, the 1990 model offers lower absolute complaint volume than the troubled peak years, making it a relatively reasonable candidate for purchase among early production examples, contingent upon thorough inspection of the documented structural and restraint system concerns.

5
Open recalls
NHTSA campaigns
8
Service bulletins
Manufacturer communications
10
ODI investigations
Office of Defects Investigation
70
Owner complaints
0 involved a crash · 1 a fire
Owner complaints by model year NHTSA · this generation & adjacent

Owner complaints filed with NHTSA, by component

All 70 complaints on record, top 8 components.

Structure22
Seat Belts9
Engine & Engine Cooling8
Visibility6
Seats4
Unknown Or Other4
Steering2
Equipment2

Source: NHTSA Office of Defects Investigation complaint database.

Recalls NHTSA · verified

Showing 2 of 5 campaigns on record for this vehicle.

91V046000Seat Belts:Front:AnchorageReported 15/03/1991

A RIGHT HAND SEAT/SHOULDER BELT RETRACTOR MAY HAVE BEEN INSTALLED IN THE SECOND ROW LEFT HAND SEAT POSITION (DIRECTLY BEHIND DRIVER). Remedy: REPLACE SHOULDER BELT ASSEMBLY.

97V058000StructureReported 08/04/1997

VEHICLE DESCRIPTION: PASSENGER VEHICLES AND MINI VANS ORIGINALLY SOLD OR CURRENTLY REGISTERED IN THE FOLLOWING STATES: CONNECTICUT, ILLINOIS, INDIANA, MAINE, MASSACHUSETTS, MICHIGAN, NEW HAMPSHIRE, NEW JERSEY, NEW YORK… Remedy: DEALERS WILL REPLACE THE REAR CRADLE BOLTS AND RETAINERS.

Technical service bulletins NHTSA · verified

Showing 5 of 8 bulletins on record with NHTSA.

BulletinDateComponentSummary
018802004-01-01Power TrainNO TCC APPLY, MALFUNCTION INDICATOR LAMP (MIL) ON, TCC SURGE, POSSIBLE P0740, P1870, 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…
990866002A2000-01-01Latches/Locks/LinkagesTHIS BULLETIN INFORMS DEALERSHIPS ABOUT THE TRAP RESISTANT REAR COMPARTMENT (TRUNK) KIT…
876002A1998-07-01Engine And Engine CoolingSOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS…

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 Trans Sport. 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 Trans Sport take?

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

Does the 1990 Trans Sport have open recalls?

NHTSA lists 5 recall campaign(s) for this model year. Check your specific vehicle by VIN.

What gas mileage does the Trans Sport get?

EPA figures are 16 city / 21 highway / 18 combined mpg.