Belt tensioner bolt

1995 PONTIAC BONNEVILLE
190,000 MILES • 2.0L • V6 • 2WD • AUTOMATIC
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CJISTOOOLD
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What is the exact size of the socket needed to move the tensioner to relieve the spring load to replace the serpentine belt?
Sep 26, 2021 at 10:26 AM
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SQM
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Hello,

You will need a 15 mm socket for that bolt. Keep in mind that is the factory size bolt for these year vehicles. If the tensioner was replaced with a aftermarket component it could be a different size.

https://www.2carpros.com/articles/replace-serpentine-belt
https://www.2carpros.com/articles/how-a-serpentine-belt-tensioner-works

Please let me know of any questions.
Thank you.
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Sep 26, 2021 at 10:35 AM
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CJISTOOOLD
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Thank you. I replaced the tensioner a while back but can't remember the size bolt and I used the original bolt on the reinstall. I had a couple of sockets that fit but did not want to strip the bolt pattern. Thanks again. CJ
Sep 26, 2021 at 10:46 AM
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SQM
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You are welcome. Let me know if you have any questions.
Sep 26, 2021 at 10:55 AM