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2003 GM 3.8 coolant leak
85k miles, tensioner failed last weekend. Vehicle has been
using ~2 quarts coolant every 5k miles for the last 10k
miles. ![]()
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| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2003 Pontiac Grand Prix GT 3.8L
| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |

8 Replies Received
8 Replies Received