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Engine oil analysis
Posted to Technical Discussion Forum on 12/2/2016 8 Replies

Hello everyone, I have this 5.3 which I believe has the cracked head condition with the 706 heads per the TSB.

No gross leaks are found.

Nothing obvious in the oil but it has been tested and confirmed positive for antifreeze. This truck has 100k on it and ... Login to read more.

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car Vehicle Data

2004 Chevrolet Silverado 1500 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2004 Chevrolet Silverado 1500 5.3L

Engine5.3 L
Trans4-speed Automatic (Electronic)