1998 Toyota Sienna problems & reliability
294 owner complaints filed with NHTSA for the 1998 Toyota Sienna, alongside 1 safety recall campaign. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
13 complaints report injuries (17 injured).
Federal crash records (FARS 2020–2023): 1998 Toyota Sienna vehicles were involved in 16 fatal crashes with 7 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Latches/locks/linkages | 40 | 14% |
| Service Brakes, Hydraulic | 39 | 13% |
| Tires | 38 | 13% |
| Structure | 35 | 12% |
| Engine and Engine Cooling | 33 | 11% |
| Steering | 25 | 9% |
| Power Train | 23 | 8% |
| Visibility | 17 | 6% |
| Electrical System | 14 | 5% |
| Air Bags | 12 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 79,700 miles (middle 50% between 50,004 and 114,000 miles), based on 71 complaints that included mileage.
Complaints by incident year
What owners report
“Gear shifter mount unit on the steering column broke apart, stranding the vehicle in the middle of the road.”
Steering · filed Jun 15, 2019
“Air bags did not deploy in a front end collision. We were traveling at about 65mph on the interstate when another vehicle lost control, wrecked, and came to a complete stop in our lane and facing us. My husband braked hard but we could not avoid the vehicle. We truly have no idea how fast we were going at impact but I…”
Air Bags · filed Nov 2, 2017
“Started to get clunking/rattling noises on highway that sounded like it was coming from front left driver's side. Reduced speed to 50 mph. About 5 miles from home brake light came on. Pulled over and found brake fluid leaking around front drivers side tire (about 9pm). Slowly drove to mechanic about 2 miles away and…”
Suspension · filed Nov 30, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- ENGINE SEIZURE
Defect Petition DP02004 · opened Apr 30, 2002 · closed Jun 20, 2002
- STEERING WHEEL TO RETURN TO CENTER
Preliminary Evaluation PE99070 · opened Nov 17, 1999 · closed Apr 12, 2000
Technical service bulletins
92 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1998 Toyota Sienna. The 10 most recent:
OBSOLETE NOTICE January 22, 2024: This bulletin is now obsolete. Please see T-SB-0057-18.
T-SB-0043-14 · Service Bulletin/Repair Instructions · issued Jan 22, 2024
TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2023 model year vehicles may be…
TSB003220 · Service Bulletin/Repair Instructions · issued Aug 17, 2023
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions
TTT063620 · Service Bulletin/Repair Instructions · issued Mar 17, 2022
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be…
Toyota PRO19-02 · Service Bulletin/Repair Instructions · issued Jan 12, 2022
Toyota Safety Recall and Service Campaign - Technician Certification Requirements
Toyota Safety Re · Service Bulletin/Repair Instructions · issued Mar 17, 2021
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-20 Rev · Service Bulletin/Repair Instructions · issued Mar 12, 2021
TSB: Replacement certification labels (the vinyl label installed on the driver door or door post) and VIN plates (the metal plate riveted to dashboard) (see Figure 1) for most 1979 ? 2021 model year vehicles may be…
T-SB-0032-20 Rev · Service Bulletin/Repair Instructions · issued Feb 3, 2021
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-20 · Service Bulletin/Repair Instructions · issued Dec 14, 2020
TT: Some Toyota vehicles installed with Toyota Complete Maintenance Care (TCMC) brake pads may exhibit a groan or squeak noise in various driving conditions.
T-TT-0636-20 · Service Bulletin/Repair Instructions · issued Dec 14, 2020
TSB: OBSOLETE NOTICE April 07, 2020: This bulletin is now obsolete. Please see T-SB-0032-20. Replacement Certification Labels and VIN Plates
T-SB-0304-17 Obs · Service Bulletin/Repair Instructions · issued Apr 7, 2020
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 1998 Toyota Sienna has 1 NHTSA recall campaign — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1998 Toyota Sienna?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 79,700 miles — budget accordingly if the car is approaching that mileage.