| Issue ID | 1040763 |
| Internal NHTSA # | 10565012 |
| Manufacurer | General Motors LLC |
| Brand | CHEVROLET |
| Model | TAHOE |
| Model Year | 2004 |
| File date | 01/12/11 |
| Component | ENGINE |
| Product type code | VEHICLE |
| Description of the problem | Gm used defective engine cylinder heads for millions of 4. 8/5. 3 liter v8 engines from 2001-2006. The cylinder heads crack causing coolant to flow into the oil and cause excessive sludge to form and cause engine failure. Gm knows about the problem and issued tsb to it's service departments:1 information on gradual coolant loss over time with no evidence of leak found #06-06-01-019b - (06/12/2007). These defective cylinder heads can cause overheating and complete engine failure. |
| Vehicle Mileage at Failure | 122562 |
| Number of Occurences | 1 |
| Source of the issue | NHTSA WEB SITE |
| City and State | KELLER, TX |
| VIN pattern | 1GNEC13Z84RXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | N |
| Was medical attention required? | |
| Was part original equipment? | |
| No. of injured persons | 0 |
| No. of fatalities | 0 |
| Date of purchase | 06/08/26 |
| Was original owner? | N |
| Anti-lock brakes | N |
| Cruise control | N |
| Number of cylinders | 8 |
| Drive train type | |
| Transmission type | |
| Vehicle speed | |
| DoT tire identifier | |
| Tire size | |
| Location of tire code | |
| Type of tire failure code | |
| Was defective tire repaired? | |
| Date of manufacture | |
| Type of child seat code | |
| Type of restraint | |
| Dealer's name | |
| Dealer's telephone number | |
| Dealer's city | |
| Dealer's state code | |
| Dealer's ZIP code |