NHTSA lists 6 safety recalls and 234 owner complaints for the 1998 Pontiac Trans Sport. Most complaints involve engine and engine cooling (53) and exterior lighting (30). The EPA rates it 19 mpg combined.
CERTAIN DELPHI FUEL PRESSURE REGULATORS, P/NOS. FP10020-11B1, FP10026-11B1, AND FP10027-11B1, SOLD AFTER JANUARY 9, 2007, AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES LISTED ABOVE. THE UNIVERSAL PRESSURE REGULATORS (UPR) WERE PRODUCED WITHOUT AN O'RING AND RETAINER.
ON CERTAIN MINIVANS EQUIPPED WITH SECOND-ROW BUCKET SEATS OR CAPTAIN'S CHAIRS AND A POWER SLIDING DOOR ON THE PASSENGER SIDE OF THE VEHICLE, A PASSENGER USING THE INTERIOR HANDLE TO OPEN THE POWER SLIDING DOOR COULD BE INJURED.
CERTAIN PASSENGER VEHICLES AND MINI VANS HAVE LOWER PINION BEARINGS IN THE POWER RACK AND PINION ASSEMBLY IN WHICH THE RETAINER TABS WERE NOT CRIMPED PROPERLY. THESE AND SOME OTHER RETAINERS USED IN VEHICLES ASSEMBLED BETWEEN JANUARY 1, 1996 AND OCTOBER 31, 1997, COULD FAIL AND PERMIT THE BALL BEARINGS TO ESCAPE.
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
“AFTER I HAD THE RADIATOR REPLACED $350 JOB THE INTAKE GASKET SPRUNG A LEAK. THEREFORE I HAD TO HAVE NOT ONLY THIS REPLACED BUT THE VALVE COVER GASKET AS WELL WHICH COST A TOTAL OF $867. I ALSO HAD TO RENT A CAR FOR 3 DAY WHICH COST AN ADDITIONAL $30 PER DAY. MY MECHANIC SAID THAT THE RECOMMENDED DEXCOL COOLANT USED IN THIS MODEL CAR, OVER A PERIOD OF TIME, WILL EAT THRU THE GASKET THUS THE LEAK. I NEED TO KNOW IF THERE WAS A RE-CALL REGARDING THIS PROBLEM AND IF I CAN BE COMPENSATED. I AM A HARD WORKING INDIVIDUAL WITH LIMITED RESOURCES. I HAVE ALWAYS MAINTAINED REGULAR MAINTENANCE ON MY VEHICLES NOT FORESEEING THIS ISSUE THAT AROSE. PLEASE GET BACK IN TOUCH WITH ME AS SOON AS POSSIBLE REGARDING HIS MATTER. [XXX] *TR”
“PROBLEM: LAST FALL I NOTICED THAT THE CRUISE CONTROL WOULD TURN OFF WHEN I USED THE TURN SIGNAL? SLOWLY I LOST THE 'TRIP COMPUTER' THEN THE TURN SIGNALS WOULD FLASH QUICKLY WHEN THE BRAKES WERE APPLIED. I ASSUMED THAT THERE WAS A BAD BULB SOMEWHERE WITH THE BRAKES AND TURN SIGNALS. I WOULD ALSO NOTICE THAT THE CLOCK ON THE RADIO WOULD DIM WHEN THE TURN SIGNALS AND BRAKES WERE USED. LONG STORY- SHORT, MORE AND MORE THINGS SEEMED TO BE FAILING OVER TIME. I WAS STARTING TO THINK IT WAS RELATED TO THE ALTERNATOR. SOLUTION: I PULLED THE TAILLIGHTS AND TOOK A CLOSER LOOK. I PULLED THE PLUGS ON THE TOP OF THE LIGHTS AND I FOUND MELTED CONTACTS ON ONE OF THE SIX CONTACT POINTS. I WAS GOING TO TIN THE CONTACT POINTS PUT THAT DIDN'T WORK VERY WELL. I TOOK A SCREW DRIVER AND REALIGNED THE SOCKETS AND SCRAPPED OFF THE MELTED PLASTIC ON THE PINS. TESTED THE LIGHTS AND THEY WORKED PERFECTLY! ALL THE OTHER PROBLEMS WENT AWAY! :) WHAT I FIND STRANGE IS THIS IS THE SECOND GM VAN THAT I HAVE SEEN MELTED CONTACT POINTS EITHER ON THE PLUGS OR ON THE SOCKETS OF THE BULBS. SEEING THERE IS N O RECALL ON THIS I HOPE THIS INFO HELPS SOMEONE ELSE WITH THE SAME PROBLEM! *TR”
“WHILE DRIVING MY 1998 PONTIAC TRANS SPORT MONTANA, MY STEERING WHEEL LOCKED UP AND WOULDN'T TURN TO THE LEFT, ALMOST CAUSING AN ACCIDENT. WHEN I TOOK THE VEHICLE IN FOR INSPECTION, IT WAS DETERMINED THAT IT WAS A RACK AND PINION STEERING GEAR ASSEMBLY. *JB”
Towing, payload and dimensions aren’t in the EPA or NHTSA data, so we don’t list them.
| Version | City | Hwy | Comb. | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|
| Trans Sport 2WD Auto 4-spd, 6 cyl, 3.4 L · Front-Wheel Drive | 16 | 23 | 19 | $3,400 | 468 |
| Item | Miles | Time | Note |
|---|---|---|---|
| Engine oil & filter | 5,000–10,000 mi | 6–12 months | Follow the oil-life monitor if fitted |
| Tire rotation | 5,000–7,500 mi | Every oil change | Check pressure monthly |
| Engine air filter | 15,000–30,000 mi | 1–2 years | Sooner in dusty areas |
| Cabin air filter | 15,000–25,000 mi | 1–2 years | |
| Brake fluid | — | 2–3 years | Absorbs moisture over time |
| Coolant | 60,000–100,000 mi | 5–10 years | Long-life coolants last longer |
| Spark plugs | 60,000–100,000 mi | — | Iridium/platinum plugs at the long end |
| 12V battery | — | 3–5 years | Heat shortens battery life |
6 safety recalls as of Oct 27, 2026, according to NHTSA. Recall repairs are free at a dealer. Check your VIN to see whether your car is included and whether the repair was done.
Owners filed 234 complaints with NHTSA. The most-cited components are engine and engine cooling (53), exterior lighting (30), steering (26). Complaints are unverified owner reports and aren't adjusted for how many cars were sold.
The EPA rates the 1998 Pontiac Trans Sport at 19 mpg combined, depending on engine and drivetrain (1 version rated).