How to service the Coolant Reservoir system on 2006 Toyota Prius?

In order to service the coolant reservoir, lift the floor boards at the rear and disconnect the battery. Do not spill the coolant, drain it, and then detach the reservoir assembly by disconnecting hoses and connectors. Install a new assembly, reconnect all, and make sure there are no leaks. Last but not the least, do the startup when the battery is reconnected.

OEM 2006 Toyota Prius Coolant Reservoir

Coolant Tank Reservoir

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1 Coolant Reservoir found

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2006 Toyota Prius Reserve Tank
Part Number: 16660-21011
$1433.51 MSRP: $2100.82
You Save: $667.31 (32%)
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Product Specifications
- Other Name: Tank Assembly, Coolant Heat Storage; Drive Motor Inverter Coolant Reservoir; Coolant Reservoir
- Replaces: 16660-21010
- Part Name Code: 16660
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16660-21011
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2006 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)

2006 Toyota Prius Coolant Reservoir

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2006 Toyota Prius Coolant Reservoir Parts Q&A

Q: How to service the Coolant Reservoir system on 2006 Toyota Prius?
A: In order to service the coolant reservoir, lift the floor boards at the rear and disconnect the battery. Do not spill the coolant, drain it, and then detach the reservoir assembly by disconnecting hoses and connectors. Install a new assembly, reconnect all, and make sure there are no leaks. Last but not the least, do the startup when the battery is reconnected.