The 1998 Acura Slx has 1 NHTSA recall campaign affecting an estimated 3,062 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 6 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES. THE TRANSFER GEARBOX FLANGE NUTS WERE NOT PROPERLY INSTALLED, CAUSING THE NUTS TO LOOSEN.
IF THE FLANGE NUTS LOOSEN, THE PROPELLER SHAFT CAN SEPARATE, RENDERING THE VEHICLE INOPEATIVE.
DEALERS WILL INSPECT FRONT AND REAR FLANGE NUTS AND, IF FOUND LOOSE, TIGHTEN TO SPECIFIED TORQUE AND SECURED STAKED AT TWO PLACES.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“My 1998 acura slx, with 122,000 miles, requires a new engine. The car developed a loud slapping noise and was diagnosed by 2 mechanics as a broken piston skirt. I was told that this is a common issue with these cars - a result of a mismatch between the isuzu engine and the acura transmission. *nm”
“In june of 2003, we took our 1998 acura slx w/45k miles on it into stevens creek isuzu dealership for a major service and to check out the "pinging/grinding" noise that we had been hearing for a long time. We were told they couldn't duplicate the noise. In june 2004, we took it to the reno isuzu…”
“Consumer stated she heard knocking and a loud pinging noise coming from the engine. She then pulled over and her husband checked the vehicle and saw that the oil was empty although she had an oil change before the trip. All of the oil spilled from the engine. Engine had blown. *ak *sc *jb”
“Unable to steer straight line at 70 mph 95 degrees, wanders over road, okay when tires cold. *ak( dot number: cll417 tire size: p245/70r16 )”
“The quick disconnect gas tank connection came loose on the highway. Driver is unaware of leak until made aware of it by someone else.”
“Throttle sucked to the ground and would not release when brakes applied, when emergency brake was extended. *ak”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1998 Acura Slx as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.