1994 Toyota 4 Runner engine and engine cooling problems
20 owner complaints filed with NHTSA name the engine and engine cooling on the 1994 Toyota 4 Runner — 38% of all complaints for this model year.
What owners report
“I own a 94 toyota 4runner with a 3vz-e motor. The head gasket was replace under the recall in 1997 when the vehicle had 45000 miles. The toyota dealership just replaced the head gasket and never resurfaced the heads. On september 20,2006 head gasket blow again.it is well known about the design flaw…”
filed Sep 27, 2006
“In short, I brought a 1994 toyota 4 runner with a warranty back in june 2002 from potamkin springfield auto world. In november 2003, the truck was deemed unsafe to drive because the head gaskets blew. I had the required maintenance done plus other repairs and took the truck to be serviced whenever…”
filed Feb 10, 2004
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Subject regarding cylinder head installation for vehicles equipped with the 3vz v6 engine. *yc
EG00298 · Service Bulletin/Repair Instructions · issued Feb 13, 1998Subject on special policy adjustment for the head gaskets. *yc
97121797017 · Service Bulletin/Repair Instructions · issued Dec 17, 1997
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% |
| 1999 4 Runner | 12 | 11% |
| 1998 4 Runner | 15 | 13% |
| 1997 4 Runner | 11 | 9% |
| 1996 4 Runner | 24 | 27% |
| 1995 4 Runner | 77 | 62% |
Other reported problem areas on the 1994 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.