Drive (serpentine) belt replacement instructions needed

IMAGING

MEMBER
2005 TOYOTA SIENNA
3.3L
V6
4WD
AUTOMATIC
127,000 MILES

When replacing the drive (serpentine) for the alternator, should I disconnect the battery terminals. Also, what torque setting is recommended for the bolts to tighten the drive belt.
And lastly, is it easy to install a new drive belt.

Monday, November 8th, 2021 AT 12:02 PM

5 Replies

SQM

MECHANIC
6,383 POSTS

Hello,

In order to replace the drive belt, you will have to remove the right hand side wheel as well as the liner inside the fender well to access.

Disconnecting the battery is not necessary.

https://www.2carpros.com/articles/replace-serpentine-belt

I have attached the replacement procedures for both belts as well as all the torque specifications below.

Please let me know of any questions.
Thank you.

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Monday, November 8th, 2021 AT 1:22 PM

IMAGING

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151 POSTS

In the pic below, under replacement, what is #1 and #2?

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Monday, November 8th, 2021 AT 8:53 PM

SQM

MECHANIC
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Number 1 talks about removing the passenger side wheel (you will have to jack up the vehicle and secure it with jack stand).

https://www.2carpros.com/articles/jack-up-and-lift-your-car-safely

Number 2 is for removing the inner fender liner inside the wheel well (see picture below).

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Monday, November 8th, 2021 AT 10:40 PM

IMAGING

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151 POSTS

Can I just lift the hood and loosen the bolts and remove the drive belt?

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Tuesday, November 9th, 2021 AT 7:29 AM

SQM

MECHANIC
6,383 POSTS

When you access from the top, you might not be able to access the bottom pulleys when installing the new belt. This will prevent you from routing the belt through all the pulleys.