1999 Chevrolet Tahoe engine and engine cooling problems
27 owner complaints filed with NHTSA name the engine and engine cooling on the 1999 Chevrolet Tahoe — 5% of all complaints for this model year.
What owners report
“Continuously having to fill with coolant due to leak. No leak from hoses etc. The problem comes from a defect in heads that are produced by castech. Went on line to research this and found numerous complaints about this and gm/chevrolet will not fix. Extended warranty companies will not fix because…”
filed May 23, 2011
“Tl* the contact owns a 1999 chevrolet tahoe. The contact stated the engine failed while driving 5 mph. The vehicle was taken to the dealer who replaced the engine but shortly after, the replacement engine also failed. The manufacturer was not contacted to report the failure. The failure mileage was…”
filed Mar 28, 2011
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Tahoe years
| Year | Reports | Share |
|---|---|---|
| 2026 Tahoe | 2 | 11% |
| 2025 Tahoe | 1 | 3% |
| 2024 Tahoe | 9 | 15% |
| 2023 Tahoe | 17 | 8% |
| 2022 Tahoe | 8 | 5% |
| 2021 Tahoe | 17 | 4% |
| 2019 Tahoe | 1 | 1% |
| 2018 Tahoe | 3 | 3% |
| 2017 Tahoe | 1 | 1% |
| 2015 Tahoe | 2 | 0% |
| 2011 Tahoe | 1 | 0% |
| 2009 Tahoe | 2 | 1% |
Other reported problem areas on the 1999 Chevrolet Tahoe
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.