| Issue ID | 842797 |
| Internal NHTSA # | 10381945 |
| Manufacurer | CHRYSLER GROUP LLC |
| Brand | JEEP |
| Model | GRAND CHEROKEE |
| Model Year | 2006 |
| File date | 01/08/09 |
| Component | ENGINE AND ENGINE COOLING |
| Product type code | VEHICLE |
| Description of the problem | Driving highway speeds of 55 mph on august 1, 2009 and heard a popping noise, thought i had run over something, a few seconds later the entire jeep starting vibrating and awful beating and banging noises and totally lost power. Had to coast to stop alongside of road. Vehicle towed to mechanic. Found valve spring broke and total engine loss in 3. 7 l v-6 engine. Had to replace engine. Chose to replace with jasper engine for warranty. Engine replaced and received jeep back on august 20, 2009. On january 31, 2011 leaving driveway of place of employment and jeep starting shuttering as if it was going to stall and stalled out after engine light came on. Had towed to mechanic. 17 months into a 36 month warranty with 20,000 miles on this engine, valve spring broke causing entire engine damage. Jasper is replacing this engine under warranty. According to jasper, they have replaced three engines in last three months due to valve spring breakage. Valve spring has not been updated. Afraid this will happen again if chrysler does not update with newer stronger valve spring. |
| Vehicle Mileage at Failure | 60900 |
| Number of Occurences | |
| Source of the issue | PORTABLE SAFETY COMPLAINT FORM (PDF) |
| City and State | KINGSLEY, MI |
| VIN pattern | 1J4GR48K56CXXXXXX |
| Was vehicle invloved in a crash? | N |
| Was vehicle involved in a fire? | N |
| Was incedent reported to police? | |
| Was medical attention required? | |
| Was part original equipment? | |
| No. of injured persons | 0 |
| No. of fatalities | 0 |
| Date of purchase | 07/08/26 |
| Was original owner? | |
| Anti-lock brakes | |
| Cruise control | |
| Number of cylinders | |
| Drive train type | |
| Transmission type | |
| Vehicle speed | 55 |
| 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 |