How to remove and install the drive belt on Toyota Prius?

The process of drive belt removal starts by loosening the tension pulley lock nut followed by adjusting the bolt for drive belt tension before the belt can be taken out. After installing the idle pulley lock nut with a torque of 2.5 N.m (25 kgf.cm, 22 in.lbf) users should place the drive belt into position before applying tension with the adjusting bolt while maintaining a new belt tension between 110 plus or minus 11 lbf and a used belt tension between 67 plus or minus 10 lbf. Complete the tightening process of the tension pulley lock bolt to achieve 40 N.m torque (410 kgf.cm and 30 ft.lbf).

How to service and repair the drive belt on Toyota Prius?

You should begin drive belt servicing for the 1NZ-FXE engine by removing the engine under cover RH. To commence the procedure remove the No. 1 air cleaner inlet by unfastening its clamp and detaching it from the air cleaner case. Begin the drive belt removal process by loosening nut A followed by turning adjust bolt B to let tension out of the belt before removing it.

OEM Toyota Prius Drive Belt

Serpentine Belt

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Toyota Prius Serpentine Belt
Part Number: 99363-31120
$16.24 MSRP: $22.60
You Save: $6.36 (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
$16.96 MSRP: $23.61
You Save: $6.65 (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
$16.36 MSRP: $22.77
You Save: $6.41 (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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Drive Belt in the Toyota Prius vehicles is useful in allowing the engine to engage other necessary parts including the alternator and the AC compressor. Usually a serpentine belt, they link these parts to the crankshaft pulley in order to transmit power. Usually, drive belts have a lifespan of about 100000 miles, and though they still may function optimally, cracks on the rubber are indicative of imminent failure; thus should be replaced to avoid straining other parts and damaging the engine. In mechanical systems there are mainly various types of Drive Belts among which are V-belts, multi-groove belts as well as timing belts that have enhanced features such as; traction, resists from wearing, and precise operation. These belts are cheap to obtain, require minimal maintenance, and can withstand misalignment; they are efficient in power transmission with ability to withstand high temperatures. Given that their uses have broadened with advancements, Drive Belts continue to be crucial pieces that help in the working of Toyota Prius cars.

Toyota Prius Drive Belt Parts and Q&A

Serpentine Belt
99363-31120
Q: How to remove and install the drive belt on Toyota Prius?
A:
The process of drive belt removal starts by loosening the tension pulley lock nut followed by adjusting the bolt for drive belt tension before the belt can be taken out. After installing the idle pulley lock nut with a torque of 2.5 N.m (25 kgf.cm, 22 in.lbf) users should place the drive belt into position before applying tension with the adjusting bolt while maintaining a new belt tension between 110 plus or minus 11 lbf and a used belt tension between 67 plus or minus 10 lbf. Complete the tightening process of the tension pulley lock bolt to achieve 40 N.m torque (410 kgf.cm and 30 ft.lbf).
Serpentine Belt
90916-02570
Q: How to service and repair the drive belt on Toyota Prius?
A:
You should begin drive belt servicing for the 1NZ-FXE engine by removing the engine under cover RH. To commence the procedure remove the No. 1 air cleaner inlet by unfastening its clamp and detaching it from the air cleaner case. Begin the drive belt removal process by loosening nut A followed by turning adjust bolt B to let tension out of the belt before removing it.