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Discussion Starter · #1 ·
I recently bought a 2006 3500 with a reviva block with only 80k on the motor.

I recently got a ticking noise once the engine is warmed up and it’s slowly started to get louder so I changed the oil and added some additive to the fuel thinking maybe it’s an injector or cp3 tick and I haven’t driven the truck yet to see if that helped out at all yet.

That’s because I went to adjust the valves and I got TDC and the exhaust valve rocker on the #1 cylinder was lose and the intake was tight. I then rotated the crank 1 turn and back at TDC both rockers are now tight.

No matter how many times I rotate the crank a majority of all rockers are to tight to move. The previous owner said he adjusted them before I bought it but I’m thinking he might have done it wrong.

is there something else I should be doing or does it just sound like they are that far out of adjustment?

truck does smoke a lot of grayish smoke until it’s fully warmed up and seems to be getting worse too. 3k miles on new injectors also
 
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Your post is concerning...

Here is a procedure for adjusting the valves on a 5.9L CR Cummins..
 

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Discussion Starter · #3 ·
Your post is concerning...

Here is a procedure for adjusting the valves on a 5.9L CR Cummins..
Thanks for that but I have followed those instructions and I haven’t touched the valves yet because I can’t figure out how to tell if I’m at the right TDC.

I see 1 and 6 are the same so I did turn it over until both rockers on number 6 were loose so I turned it over again and that should put number 1 right where it needs to be. Even with that the intake rocker is to tight to move and so are about 2/3 of the corresponding valves to be adjusted.
 

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2006 2500 Big Horn QCSB auto 4x4
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Your vibration damper should have a line and a "TDC" mark on it. If it's not original or Cummins brand, it may not have one, though.
 
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So get #1 at TDC and adjust as you should. It’s not difficult, just adjust per sequence and then spin it over and adjust those.
 
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