2003 Toyota 4RUNNER engine and engine cooling problems
14 owner complaints filed with NHTSA name the engine and engine cooling on the 2003 Toyota 4RUNNER — 3% of all complaints for this model year.
What owners report
“I bought my 2003 toyota 4runner less than a year ago from an auto group (toyota, honda, ect) and had them perform a safety inspection. Since it was used I knew there would be some issues, the only problem it had was the recommended service wasn't completed at 90k miles (timing belt, water pump…”
filed Feb 18, 2015
“While in process of replacing serpentine belt and idler pulleys on engine, I noticed (after removing lower engine shield under vehicle) significant rust damage to front frame segment under radiator support. The right side tow hook and corner of frame it was mounted to fell off in my hand when I…”
filed Apr 7, 2014
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other 4RUNNER years
| Year | Reports | Share |
|---|---|---|
| 2022 4RUNNER | 1 | 3% |
| 2009 4RUNNER | 2 | 9% |
| 2008 4RUNNER | 2 | 2% |
| 2007 4RUNNER | 7 | 5% |
| 2006 4RUNNER | 11 | 3% |
| 2005 4RUNNER | 6 | 1% |
| 2004 4RUNNER | 7 | 1% |
| 2002 4RUNNER | 7 | 4% |
| 2001 4RUNNER | 5 | 3% |
| 2000 4RUNNER | 7 | 2% |
| 1999 4RUNNER | 3 | 1% |
| 1998 4RUNNER | 1 | 1% |
Other reported problem areas on the 2003 Toyota 4RUNNER
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.