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JOHN aka Eauto
JOHN aka Eauto, The Car Guy
Category: Chevy
Satisfied Customers: 16109
Experience:  ase tech
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I believe in maintenance before failure. My 2011 impala has

Customer Question

Customer: ***** ***** i believe in maintenance before failure. My 2011 impala has reached 119,000 miles. on Japanese zero clearance engines i believe in change the cam chains at about 100,000. what about the impala?
JA: Thanks. Can you give me any more details about your issue?
Customer: 3.5 Liter V-6 with AC
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Customer: yes
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Submitted: 1 year ago.
Category: Chevy
Expert:  JOHN aka Eauto replied 1 year ago.

they are non interference and rarely fail.. If you maintain your car and drive normal I do not forsee a failure.. Its the type of thing on a 3.5 if its not broken don't fix it..