1999 Toyota 4 Runner engine and engine cooling problems
12 owner complaints filed with NHTSA name the engine and engine cooling on the 1999 Toyota 4 Runner — 11% of all complaints for this model year.
What owners report
“Dt: the contact stated the vehicle stalls and the dealer has been unable to resolve. The contact is unsure if this is the engine and the transmission. The vehicle also has a continuous knocking sound, and a intermittent stalling problem. Also the vehicle has a vibration when it is accelerating over…”
filed Aug 2, 2006
“(1) high pitched engine squeak; assumed worn belt. (2) main pulley key locking main pulley to crank shaft had sheared into two pieces. One piece lost. Pulley moved out of position, stressing belt and causing noise. Remaining piece of the key was embedded and fused into the crank shaft. Pulley key…”
filed Jan 24, 2006
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
'99 4runner engine (3rz-fe) repair manual correction. *tt '00 4runner. 00400-rm720-u1. *tt
4614 · Service Bulletin/Repair Instructions · issued Mar 18, 2005
Engine and Engine Cooling problems in other 4 Runner years
| Year | Reports | Share |
|---|---|---|
| 2004 4 Runner | 18 | 27% |
| 2003 4 Runner | 75 | 45% |
| 2002 4 Runner | 5 | 16% |
| 2001 4 Runner | 8 | 26% |
| 2000 4 Runner | 6 | 6% |
| 1998 4 Runner | 15 | 13% |
| 1997 4 Runner | 11 | 9% |
| 1996 4 Runner | 24 | 27% |
| 1995 4 Runner | 77 | 62% |
| 1994 4 Runner | 20 | 38% |
Other reported problem areas on the 1999 Toyota 4 Runner
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.