How to replace the Coolant Temperature Sensor on 2005 GMC Envoy?

Begin by first turning off the engine and the negative battery terminal should be disconnected. When performing a battery disconnect, precautions should be followed. Drain the coolant down below the ect sensor, and then remove the ect sensor electrical connector. Take off the Drive Belt and thegenerator before carefully uninstalling the ectsensor. For installation, if the original sensor or another sensor with no sealant is used, apply thread sealer (P/N 12346004 or equivalent) as it is the ect sensor being installed. Tighten ect sensor by 16 n.m (12 lb ft) and join the ect electrical connector. Replace the generator and Drive Belt, connect the negative battery connection, and add the engine coolant. Make sure that replacement parts are correct part number for its application and the right torque values are garbage to avoid damage.

OEM 2005 GMC Envoy Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2005 GMC Envoy Coolant Temperature Sensor, Black Part Number: 12608814
$30.66 MSRP: $57.58
You Save: $26.92 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Engine Coolant Temperature *Ite Or Black; Engine Coolant Temperature Sensor; Temperature Sensor; Temperature Sending Unit; Coolant Temperature Sensor; Engine Oil Pressure/Temperature Sensor; Computer Control Sensors
- Replaces: 15369305, 25037062, 12191170, 15326388
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.8 x 1.6 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12608814
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 GMC Envoy Submodels:
- Denali | 8 Cyl 5.3 L GAS
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2005 GMC Envoy Coolant Temperature Sensor Part Number: 19244715
$43.71 MSRP: $81.56
You Save: $37.85 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Engine Coolant Temperature; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit); Sensor, Computer Control Sensors
- Replaces: 12564512
- Item Weight: 0.40 Pounds
- Item Dimensions: 7.5 x 7.6 x 1.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19244715
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS

2005 GMC Envoy Coolant Temperature Sensor

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2005 GMC Envoy Coolant Temperature Sensor Parts and Q&A

Q: How to replace the Coolant Temperature Sensor on 2005 GMC Envoy?
A: Begin by first turning off the engine and the negative battery terminal should be disconnected. When performing a battery disconnect, precautions should be followed. Drain the coolant down below the ect sensor, and then remove the ect sensor electrical connector. Take off the Drive Belt and thegenerator before carefully uninstalling the ectsensor. For installation, if the original sensor or another sensor with no sealant is used, apply thread sealer (P/N 12346004 or equivalent) as it is the ect sensor being installed. Tighten ect sensor by 16 n.m (12 lb ft) and join the ect electrical connector. Replace the generator and Drive Belt, connect the negative battery connection, and add the engine coolant. Make sure that replacement parts are correct part number for its application and the right torque values are garbage to avoid damage.