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  1. Drock

    optimizer long block - hummer 24V or cucv 24v

    Yeah the pushrods need to go back at least in the proper orientation as far as top & bottom. One end of them is heat treated. Here's a really good video https://www.youtube.com/watch?v=20FBN3tdJUg
  2. Drock

    optimizer long block - hummer 24V or cucv 24v

    I don't know what brand of roller rockers you used but I saw this video a couple years ago. https://www.youtube.com/watch?v=5eYJdVuPkckhttps://www.youtube.com/watch?v=A1HpFu4xP9M
  3. Drock

    optimizer long block - hummer 24V or cucv 24v

    Agree I'd pull the valve covers sense their leaking anyways. Might be rocker shaft came loose or a pushrod not seated properly. BTW permatex right stuff is what you want for the valve...
  4. Drock

    optimizer long block - hummer 24V or cucv 24v

    Well the gauge thing is easy. I've broken the line 3 or 4 times while working under the hood. It's just a line coupler, advanced sells them on the little spinning rack on their fastener isle.
  5. Drock

    optimizer long block - hummer 24V or cucv 24v

    Well did some digging, in the comments section on Summit's site this seems to be a common problem. They were either returned or "made to fit". Also the heater core lines size were mentioned as an issue. Is it possible for you to return it?
  6. Drock

    optimizer long block - hummer 24V or cucv 24v

    Yeah when you turn over the motor with no glow plugs installed, the starter is MUCH louder for some reason! Also in the truck, with the bell housing will quite it down as well.
  7. Drock

    optimizer long block - hummer 24V or cucv 24v

    Not sure if this applies to our diesel starters, but this video shows how the gears should mesh.......https://www.youtube.com/watch?v=r5a8kVUKht4
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