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HDGENE, ASE Master Tech
Category: Chevy
Satisfied Customers: 6906
Experience:  28 years Auto experience, Ford, GM, Chrysler, Asian & European
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Putting heads back in. I have just put all the rockers and

Customer Question

putting heads back in. I have just put all the rockers and push rods back in, and was wondering if I can simply tighten then to spec? or do i have to rotate the crank until they're at bottom dead center? What will happen if i just tighten the rockers since i can see that my exhaust and intake valves have opened accordingly
JA: How many miles are on the car? How has your mileage been lately?
Customer: 166,000 miles. it a 2007 5.3L v8 silverado
JA: What year is your Silverado?
Customer: 2007
JA: Are you fixing your Silverado yourself? What have you tried so far?
Customer: yes alone
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 8 months ago.
Category: Chevy
Expert:  HDGENE replied 8 months ago.

Hello, and thank you for using Just Answer! My name is***** me a few moments to review your question and Ill do my best to assist you.

Expert:  HDGENE replied 8 months ago.

Hello, its important to follow procedure, if you tighten down the rocker arm and it forces the valve open at the wrong time it can cause damage.

Expert:  HDGENE replied 8 months ago.

If you need more help or information please let me know. If I was helpful, please use the 5 stars above to leave a positive rating.