Backfiring blowing the valve cover gasket's out. Combustion fumes in my crank case.
Oct 14, 2017 at 11:17 AM
SUV is backfiring
2007 CHEVROLET SUBURBAN
AAGINVAB
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more information on when the back fire happens, has any work been done on the ignition system? An inlet back fire often is a cross firing ignition or even a burnt inlet valve. have you done a compression test as yet to prove cylinder integrity?
Oct 14, 2017 at 9:52 PM
Hello AAGINVAB,
If you decide to conduct the compression test yourself here is a link to an article from our site with written step by step instructions, with pictures and video to guide you:
https://www.2carpros.com/articles/how-to-test-engine-compression
If you have any questions or need further advice please reply to your post and one of experts will be happy to help you.
Thank you for visting 2CarPros and have great rest of your day!
Renee
Admin
If you decide to conduct the compression test yourself here is a link to an article from our site with written step by step instructions, with pictures and video to guide you:
https://www.2carpros.com/articles/how-to-test-engine-compression
If you have any questions or need further advice please reply to your post and one of experts will be happy to help you.
Thank you for visting 2CarPros and have great rest of your day!
Renee
Admin
Oct 15, 2017 at 3:38 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.