Dodge Repair Questions? Ask a Mechanic for Answers ASAP
Hello, welcome and thanks for asking your question. My name is*****'m a Certified Auto Technician with 29+ years experience. I will do my best to assist you. please keep in mind that I may need to ask questions of you before I can answer. When you reply please feel free to add as much detailed information as possible pertaining to your concern.
Can you post the last 8 digits of the VIN and the miles on the odometer so that I can do some research on this concern for you?
Sorry for the delay, Thanks for the VIN and Milage.
Now I need to know exactly what happens when you try to start it? Does it crank and not start, Click or nothing at all? Do you have a compression tester so you can run a compression test?
Keep me posted...
What was the reason for replacing the cam in the first place?
When you removed the camshaft, did you notice damage to any of the lobes and corresponding rollers on the lifters??
Then likely, the cam or lifters are not the problem causing this. You said that there is a loud knocking. It seems that you in fact do have something going on in the bottom end. Cam or lifters do not make loud knocking sounds a bad lifter will make a tapping sound and usually when a lifter fails on these, it takes out the cam with it. Normally you will find a damaged roller on the bottom of a lifter and corresponding damaged to the cam lobe.
Did you inspect the cylinder heads for possible valve seat problems, these are known for dropping valve seats. Also I've seen these break valve springs.
IF you are 100% certain that all that is ok, then the only thing left is the possibility that you may have not timed the cam properly. Can you decsribe the procedure used to install the camshaft and timing chain?
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Thank you, ***** ***** and let me know if you need any info or have any questions.