How to Replace Serpentine Belt Tensioner with Pulley 06-11 Chevy Impala

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1A Auto shows you how to repair, install, fix, change or replace a broken, noisy, squeaky, worn or groaning serpentine belt tensioner. This video is applicable to the Chevy Impala, model years 06, 07, 08, 09, 10, 11, and 12.
This process should be similar on the following vehicles:
2006 Chevrolet Impala
2007 Chevrolet Impala
2008 Chevrolet Impala
2009 Chevrolet Impala
2010 Chevrolet Impala
2011 Chevrolet Impala
2012 Chevrolet Impala
2013 Chevrolet Impala
🔧 List of tools used:
• 10mm Socket 1aau.to/oMd/1AXAA00017
• 13mm Socket 1aau.to/oS3/1AXAA00015
• 15mm Socket 1aau.to/oS3/1AXAA00015
• 3/8 Inch Breaker Bar
• 3/8 Inch Drive Ratchet 1aau.to/oS3/1AXAA00015
• A Piece of Pipe (for leverage)
• Ratchet 1aau.to/o6Q/1AXAA00016
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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

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[@FelipeGarcia-rg7dl]

What is the bolt size for the pulley tensioner??

[@calvinhelterbran3336]

Excellent video! My car made a horrible whining noise whenever I drove it. Decided to replace the belt and tensioner, and this video popped up. Not a gearhead but I was able to swap the old belt and tensioner out and replace them both. Great video, 1A Auto. Definitely recommend! 👍

[@hanriver8838]

Very useful and specific to my repair. Thank you!

[@jaytee5150]

You guys would pick the vehicles with the most people room to do these jobs

[@hewhohoosteen]

Awesome explanation guys! I love the detail on every step. 1aau is always useful when working on my 2007 Chevy Impala.

[@900044129]

Would you happen to have any videos on the 2012 chevy impala

[@georgesierra4146]

What was the problem leading you to change it? Thanks. Mine is making a knocking noise at idle if I push on the gas the noise picks up. It just started doing it yesterday thank you

[@neustkg]

Thanks for the information. I have a buzzing noise that increases when you rev the engine. I thought it was the belt tensioner, so since it was time to replace the belt, I replaced the tensioner as well. Unfortunately, this did not get rid of the buzzing sound. After listening more and watching more CZcams videos, I am pretty sure the noise is coming from the alternator. Wondering if a noisy alternator is a must to replace? The system seems to be charging adequately. I guess eventually the alternator pulley may seize, shredding the belt? What do you think?

[@McCucumber]

You loosen it going towards the inside of the car or the out?

[@user-uh2jf5ho3v]

Why is there two screws next to the tensioner hole? It’s so confusing… it definitely sounded like when I took the tensioner puller off I heard and seen a second bolt fall.

[@PwnBusiness]

thank you for the info.

[@1AAuto]

Thank you for watching. Please let us know how the repair comes out!
1aauto.com 888-844-3393

[@tobydyes]

Do that in the cold outside in 20° weather with a jacket

[@MichelBourque391]

Thank you a lot..

[@1AAuto]

Thanks for checking us out. 1aauto.com +Michel Bourque

[@MrNusouth]

How do you measure how many lbs to tighten the pulley to?

[@1AAuto]

You would need to use a torque wrench to tighten it down. 1aauto.com 866-403-3393

[@tracyt8356]

Is this the same for a 2006 3.9

[@1AAuto]

+TracyT___ Yes, this should be a similar installation but it will be a different part.

[@Slaughterproof]

Is this a similar process on a 3.4 2002?

[@1AAuto]

You may be able to apply some of the basic steps shown in this video to your vehicle. The belt routing may be different. However there should be a sticker near the radiator that shows you how to route the belt. 1aauto.com 888-844-3393

[@1AAuto]

We currently do not have an auto repair video specific to your vehicle. You might be able to apply some of the basic steps shown in this video to your application. +Slaughterproof

[@pokerman-ch8gm]

why would you replace a tensioner pulley and leave 3 idler pulleys of the same age and usage as the tensioner that has obviously gone bad. This video is very helpful and I thank you for it, but it should have included the idler pulleys and an explanation of the grooved and flat surfaced idler pulleys. That said you guys do have the best automotive how to's on you tube. I always go to your channel first . Thank you for your time and valuable content.

[@1AAuto]

+pokerman6977 Thanks for the feedback!