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Number 5 and number 8 cylinder have low compression. 2007…

Customer Question
Number 5 and number...

Number 5 and number 8 cylinder have low compression

Mechanic's Assistant: What is the model/year of your Chevy?

2007 Chevy Suburban 1500 LTZ

Mechanic's Assistant: Are you fixing your Suburban 1500 yourself? What have you tried so far?

Yes

Submitted: 4 months ago.Category: Chevy
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Answered in 5 minutes by:
3/18/2018
Chevy Mechanic: Gary, Chevy Technician replied 4 months ago
Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 18,018
Experience: 15 years GM master tech
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Welcome! My name is ***** ***** I will do my best to assist you with this problem.Ask me about added features such as phone contact anytime if you wish !

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Chevy Mechanic: Gary, Chevy Technician replied 4 months ago

how low are they ?

was anything done to where now you have this issue ?

what has been done to fix this issue so far ?

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Customer reply replied 4 months ago
Number 8 is real low
Chevy Mechanic: Gary, Chevy Technician replied 4 months ago

have you done a leak down test yet ?

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Customer reply replied 4 months ago
Change one injector
Chevy Mechanic: Gary, Chevy Technician replied 4 months ago

ok and the compression is still low correct ?

then the valve cover needs to come off to inspect the valve train and do a leak down test

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