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Hummer H2 For those who like a little more gleam to their Hummer, the H2 offers a similar rugged look as the H1, but as a lower cost, and with more added features, making it almost a massive luxury SUV.

Does my 2003 H2 require valves to be adjusted?

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Old 06-20-2023, 04:39 PM
Rrcade's Avatar
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Default Does my 2003 H2 require valves to be adjusted?
2003 h2 valves require adjustment?
 
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Old 06-20-2023, 07:32 PM
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Old 06-21-2023, 05:23 PM
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2003 GM LS 6.0L Engine rocker arms and lifters are non-adjustable,
Comp Cams has a good video on how to install them

How To: Set Pre-Load with Non-Adjustable Rockers

https://www.youtube.com/watch?v=LVJOACVJIQE
 
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