How to service the drive belt on Toyota Prius?

The first step to service the drive belt involves taking off engine under cover RH and No. 1 air cleaner inlet by untightening their clamp then disconnecting both from the air cleaner case. The drive belt service starts with bolt A loosening followed by adjust bolt B operation to reduce tension before removing the belt. You should put the new belt onto each pulley before turning adjust bolt B to set the tension and then tightening nut A to 40 Nm (408 kgf-cm, 30 ft. lbs.). Check the drive belt tension before rehanging the No. 1 air cleaner inlet to the air cleaner case by clamping it firmly to 3.0 Nm (31 kgf-cm, 27 inch lbs.). Completion of the procedure requires reinstalling the engine under cover RH.

OEM Toyota Prius Drive Belt

Serpentine Belt

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Toyota Prius Serpentine Belt
Part Number: 99363-31120
$15.16 MSRP: $21.10
You Save: $5.94 (29%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Belt, V-Ribbed; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Belt, V(For Fan & Alternator)
- Manufacturer Note: MITSUBOSHI
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Serpentine Belt
Part Number: 90916-02570
$16.48 MSRP: $22.94
You Save: $6.46 (29%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, V-Ribbed; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Belt, V(For Fan & Alternator)
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2004-2009 Toyota Prius | Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Prius Serpentine Belt
Part Number: 99363-91120
$15.28 MSRP: $21.28
You Save: $6.00 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt, V-Ribbed; Serpentine Belt Drive Kit; Accessory Drive Belt; Drive Belt; V-Belt; Belt, V(For Fan & Alternator)
- Manufacturer Note: BANDO
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2003 Toyota Prius | Base | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)

Toyota Prius Drive Belt

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Toyota Prius Drive Belt Parts Questions & Experts Answers

Serpentine Belt
90916-02570
Q: How to service the drive belt on Toyota Prius?
A: The first step to service the drive belt involves taking off engine under cover RH and No. 1 air cleaner inlet by untightening their clamp then disconnecting both from the air cleaner case. The drive belt service starts with bolt A loosening followed by adjust bolt B operation to reduce tension before removing the belt. You should put the new belt onto each pulley before turning adjust bolt B to set the tension and then tightening nut A to 40 Nm (408 kgf-cm, 30 ft. lbs.). Check the drive belt tension before rehanging the No. 1 air cleaner inlet to the air cleaner case by clamping it firmly to 3.0 Nm (31 kgf-cm, 27 inch lbs.). Completion of the procedure requires reinstalling the engine under cover RH.