How to replace the Coolant Temperature Sensor on 2005 Buick Rendezvous?

Begin ECT sensor replacement by switching off ignition power then draining coolant below the sensor's minimum level. Treating the coolant sensor gently remains crucial since any damage to it will reduce the fuel control system's functioning ability. Begin by disconnecting the sensor electrical connector then gently remove the ECT sensor from its position. Apply sealer (P/N 9985253) or a comparable product to the threads during new ECT sensor installation. Check that you select parts with the correct part number for your application but exercise caution when using thread locking agents because they can affect component operation. Tighten the ECT sensor to 20 N.m (15 lb ft) after installation. After reconnecting the ECT sensor electrical components you must refill the cooling system with fluid.

OEM 2005 Buick Rendezvous Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2005 Buick Rendezvous Coolant Temperature Sensor
Part Number: 12639899
$27.88 MSRP: $52.36
You Save: $24.48 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Replaces: 12566778
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.0 x 1.5 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12639899
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Rendezvous Submodels:
- CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
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2005 Buick Rendezvous Coolant Temperature Sensor
Part Number: 15326386
$27.19 MSRP: $51.06
You Save: $23.87 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Engine Coolant Temperature; Air Charge Temperature Sensor; Intake Air Temperature Sensor.; Temperature Sensor; Manifold Pressure Sensor; Oil Pressure Unit; Fan Switch; Other Sensors
- Replaces: 12146312, 25036979
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.0 x 1.2 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15326386
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Rendezvous Submodels:
- CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS

2005 Buick Rendezvous Coolant Temperature Sensor

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2005 Buick Rendezvous Parts Questions & Experts Answers

Q: How to replace the Coolant Temperature Sensor on 2005 Buick Rendezvous?
A: Begin ECT sensor replacement by switching off ignition power then draining coolant below the sensor's minimum level. Treating the coolant sensor gently remains crucial since any damage to it will reduce the fuel control system's functioning ability. Begin by disconnecting the sensor electrical connector then gently remove the ECT sensor from its position. Apply sealer (P/N 9985253) or a comparable product to the threads during new ECT sensor installation. Check that you select parts with the correct part number for your application but exercise caution when using thread locking agents because they can affect component operation. Tighten the ECT sensor to 20 N.m (15 lb ft) after installation. After reconnecting the ECT sensor electrical components you must refill the cooling system with fluid.

Related 2005 Buick Rendezvous Parts

Alternate Year Models

2004 Buick Rendezvous Coolant Temperature Sensor 2006 Buick Rendezvous Coolant Temperature Sensor