How to install the thermostat on 2009 Toyota Highlander?

Begin installing the thermostat by placing a new gasket on it while putting the jiggle valve in an upward position within 10 degrees from the defined setting. The 2 nuts for the water inlet should be tightened with a torque rating of 10 Nm (102 kgf-cm, 7 ft-lbf). Regardingly put on the V-ribbed belt and the generator assembly before connecting No. 2 radiator hose. Next put engine coolant in the system before conducting a coolant leak inspection. The last step includes the installation of the No. 1 engine under cover but before reattaching the negative battery cable check if system initialization is needed.

OEM 2009 Toyota Highlander Thermostat

Engine Coolant Thermostat

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2009 Toyota Highlander Thermostat
Part Number: 90916-A3002
$24.25 MSRP: $33.74
You Save: $9.49 (29%)
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Coolant
- Replaces: 90916-A3001, 90916-03140, 90916-03133
- Part Name Code: 16331A
- Item Weight: 1.40 Pounds
- Item Dimensions: 3.5 x 2.9 x 2.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90916-A3002
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2009 Toyota Highlander Submodels:
- Base, Hybrid, Hybrid Limited, LE, LE Plus, Limited, Plus, SE, Sport, XLE | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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2009 Toyota Highlander Water Inlet
Part Number: 90916-A3003
$22.69 MSRP: $31.59
You Save: $8.90 (29%)
Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat; Thermostat, Coolant
- Replaces: 90916-03129, 90916-03084
- Part Name Code: 16331A
- Item Weight: 0.70 Pounds
- Item Dimensions: 2.3 x 0.9 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90916-A3003
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2009 Toyota Highlander Submodels:
- Base, Hybrid, Hybrid Limited, LE, Limited, Plus, SE, Sport | 4 Cyl 2.4 L GAS, 4 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.3 L GAS

2009 Toyota Highlander Thermostat

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2009 Toyota Highlander Thermostat Parts Q&A

Q: How to install the thermostat on 2009 Toyota Highlander?
A: Begin installing the thermostat by placing a new gasket on it while putting the jiggle valve in an upward position within 10 degrees from the defined setting. The 2 nuts for the water inlet should be tightened with a torque rating of 10 Nm (102 kgf-cm, 7 ft-lbf). Regardingly put on the V-ribbed belt and the generator assembly before connecting No. 2 radiator hose. Next put engine coolant in the system before conducting a coolant leak inspection. The last step includes the installation of the No. 1 engine under cover but before reattaching the negative battery cable check if system initialization is needed.