Construction and Road Equipment
Construction and Road Equipment repair questions? Ask a mechanic ASAP
Thanks for asking your question. I will try and help you out.
Yes it is possible you have a damaged valve. To verify. I like to remove the injectors and use a rubber tipped air nozzle to blow air into the cylinder. If a valve is damaged. The cylinder will not hold air and you will hear the air coming out the intake or exhaust.
You could also have a cam lobe failure. Cam lobe failures are common on these engines. You can run the engine with the valve covers off and watch all the rocker arms. If a cam lobe is damaged. One will not be going up and down that much.
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Yes it's best to run the overhead again to make sure it's right.
Here is the procedure you need.
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