1999 Chevrolet Suburban engine and engine cooling problems
33 owner complaints filed with NHTSA name the engine and engine cooling on the 1999 Chevrolet Suburban — 5% of all complaints for this model year.
What owners report
“Exhaust manifold bolts breaking leaving studs in the heads, heating up engine compartments, releases carbon monoxide, affects o2 sensor and catalytic converter. Will not pass emissions in some states. Gm not standing behind this 1999-2008 issue. It is a safety issue and is expensive to fix. Gm…”
filed Feb 16, 2012
“Tl*the contact owns a 1999 chevrolet suburban. Whenever the vehicle is at a stop, the rpm's decrease and the vehicle shuts off. When accelerating up a hill or slope, the vehicle begins to stall. The vehicle was taken to the dealer, but the failure could not be diagnosed. In addition, whenever the…”
filed Aug 27, 2008
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Suburban years
| Year | Reports | Share |
|---|---|---|
| 2024 Suburban | 6 | 16% |
| 2023 Suburban | 7 | 6% |
| 2022 Suburban | 4 | 4% |
| 2021 Suburban | 9 | 5% |
| 2020 Suburban | 1 | 2% |
| 2019 Suburban | 2 | 3% |
| 2015 Suburban | 1 | 0% |
| 2010 Suburban | 1 | 1% |
| 2009 Suburban | 2 | 2% |
| 2008 Suburban | 2 | 1% |
| 2007 Suburban | 6 | 2% |
| 2006 Suburban | 1 | 4% |
Other reported problem areas on the 1999 Chevrolet Suburban
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.