1998 Toyota 4RUNNER Engine cooling Problems
- Complaints
- 16about this part
- Share
- 6%of 250 total for the year
- Median mileage
- 58,250miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 16 complaints about the engine cooling of the 1998 Toyota 4RUNNER, 6% of the 250 complaints for this model year. Where a mileage was given, the median is 58,250 miles. 1 of these say a crash was involved and 1 a fire, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving on hwy. 45 about 65 MPH. My sister and nephew were in the vehicle with me. All of a sudden, we heard a loud pop. I felt the power go out of the vehicle and proceeded to pull over to the shoulder of the freeway - almost hitting another vehicle. My nephew said it sounded like we got a flat tire. Then we noticed smoke coming out from under the hood of the vehicle. When we go tout, we noticed oil on the ground -under the vehicle. We lifted the hood - and noticed a hole in the engine block. …”
NHTSA complaint #10122412, filed 2005-05, 57,000 miles“We were on vacation driving from atlanta, ga to damariscotta, me. On the morning of saturday august 7, we began our second day of travel just outside of harrisburg, pa. We were entering the interstate when we heard a loud pop and the car began to shake badly. We immediately took the car, a 1998 Toyota 4runner with fewer than 60,000 miles on it, to harrisburg Toyota. The dealer eventually told us we had a broken rod and need a short block replacement, for which we were charged $5500, including $3900 in parts.”
NHTSA complaint #10090768, filed 2004-09, 59,500 miles“With 50 000 miles, connecting rod broke while during normal use, shot out the engine block, fluid spilled, engine seized and catastrophic damage to engine block; new engine required.”
NHTSA complaint #10110703, filed 2005-02, 51,700 miles“The contact owns a 1998 Toyota 4runner. During deceleration, the vehicle stalls and accelerates both at the same time. The dealer replaced the idle switch valve twice, which corrected the failure for a few months. On august 21, 2008 while driving 40 MPH, the vehicle shut down. The contact will take the vehicle to the dealer for a diagnosis. The failure mileage was 72,100 and current mileage was 90,000.”
NHTSA complaint #10239661, filed 2008-08, 72,100 miles“While consumer was driving on a mountain/coming down and exiting, vehicle completely shutdown, this has happened twice. Consumer was told by dealer that vehicle was fine. It just needs to get used to mountain drivingb (note: the vehicle has a supercharger that the dealer added when the vehicle was new, its a trd supercharger).”
NHTSA complaint #8016777, filed 2002-08Related service bulletins
- 10061567Apr 23, 2013Summary to be provided on a future date.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2022 | 1 | 3% |
| 2015 | 1 | 1% |
| 2009 | 2 | 9% |
| 2008 | 2 | 2% |
| 2007 | 7 | 5% |
| 2006 | 11 | 3% |
| 2005 | 10 | 2% |
| 2004 | 25 | 4% |
| 2003 | 89 | 13% |
| 2002 | 12 | 5% |
| 2001 | 13 | 7% |
| 2000 | 13 | 3% |
| 1999 | 15 | 5% |
| 1998 | 16 | 6% |
| 1997 | 14 | 5% |
| 1996 | 25 | 16% |
| 1995 | 107 | 62% |
| 1994 | 26 | 41% |
| 1993 | 20 | 39% |
| 1992 | 18 | 34% |
| 1991 | 20 | 47% |
| 1990 | 38 | 49% |
| 1989 | 2 | 33% |
| 1988 | 2 | 22% |
| 1986 | 2 | 25% |
Other parts of the 1998 Toyota 4RUNNER
78 complaintsSuspension
60 complaintsTires
30 complaintsOther or unknown
16 complaintsBrakes
13 complaintsSteering
12 complaintsTransmission and drivetrain
12 complaintsElectrical system
11 complaintsSeat belts
9 complaintsVehicle speed control
8 complaintsAir bags
7 complaintsExterior lighting
6 complaints
← All problems reported for the 1998 Toyota 4RUNNER
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology