1999 Oldsmobile 88 engine and engine cooling problems
30 owner complaints filed with NHTSA name the engine and engine cooling on the 1999 Oldsmobile 88 — 39% of all complaints for this model year.
What owners report
“1999 oldsmobile 88 plastic intake manifold cracked due to hot pipe routed near it (per the mechanic). This allowed coolant and oil into the engine. Engine is making bad clanking noise. Cost to replace intake, replace plugs, new sensor was $1096. It appears from reading arfc website that this is a…”
filed Oct 7, 2010
“My oldsmobile 88 year 1999 had engine failure in 2005 with only 59,930 miles. The upper plemum desintegrated allowing coolant into the cylinders, locking up engine. No warning except rapid raise in engine temperature only about a minute to pull over into a parking lot. *tr”
filed Feb 15, 2010
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
130089009 · Service Bulletin/Repair Instructions · issued Sep 1, 2013Engine coolant consumption or coolant leak (inspect for material degradation/replace intake manifolds) *tt updated 11/02/07 *nj
010601007 · Service Bulletin/Repair Instructions · issued Sep 1, 2007
Engine and Engine Cooling problems in other 88 years
| Year | Reports | Share |
|---|---|---|
| 1998 88 | 76 | 46% |
| 1997 88 | 27 | 27% |
| 1996 88 | 23 | 25% |
| 1995 88 | 21 | 18% |
| 1994 88 | 11 | 17% |
| 1993 88 | 11 | 15% |
| 1992 88 | 9 | 12% |
| 1990 88 | 5 | 21% |
| 1989 88 | 2 | 7% |
| 1988 88 | 5 | 14% |
| 1986 88 | 3 | 16% |
Other reported problem areas on the 1999 Oldsmobile 88
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.