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Unexplained coolant loss
Customer claimed his car was losing coolant with no external leaks. No visible coolant in oil. He removed valve covers because the internet is full of talk about "Castec" heads having porosity issues. His head is not a Castec head. Casting number ends in 862, ... Login to read more.
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7 Replies Received
7 Replies Received
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2006 Chevrolet Suburban 1500 5.3L
| Engine | 5.3 L |
| Trans | 4-speed Automatic (Electronic) |
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