How to replace the engine coolant thermostat in LLV and LLR engines (2.9L, 3.7L) on GMC Canyon?

To replace the engine-coolant Thermostat in vehicles with llv and llr engines (2.9L, 3.7L), start with draining the cooling system. Lift and stabilize the vehicle enough to reach the Thermostat Housing wheezing through the wheelhouse, then pop the leftover wheelhouse liner. It is recommended to remove the radiator inlet hose from the Thermostat by using hose clamp pliers, i.e., a j 38185 hose clamp pliers. Secondly, you need to remove the Thermostat Housing bolts and loosen the Thermostat Housing from the engine block. Clean and inspect the engine block's sealing surface and the Thermostat Housing. For installation, place the Thermostat Housing onto the engine block while making sure the Thermostat Housing bolts are properly installed and tightened immediately to 10 nm (89 lb in). Replace the radiator inlet hose using the j 38185 hose clamp pliers, replace the left wheelhouse liner, and lower the vehicle. Lastly, cool down the system and check all the sealing points for leakages after the ignition of the engine.

OEM GMC Canyon Thermostat

Engine Coolant Thermostat

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5 Thermostats found

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GMC Canyon Thermostat Part Number: 89018168
$36.41 MSRP: $72.25
You Save: $35.84 (50%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat, Engine Coolant Temperature
- Replaces: 89017851
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2012 GMC Canyon | SLE, SLT | 8 Cyl 5.3 L GAS
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GMC Canyon Thermostat Housing Part Number: 12678784
$47.49 MSRP: $88.60
You Save: $41.11 (47%)
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Thermostat Gasket; Thermostat Unit; Housing, Engine Coolant Thermostat
- Replaced by: 12741007
- Replaces: 12673280, 12647180, 12670209
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 GMC Canyon | All Terrain, AT4, Base, Denali, Elevation, Elevation Standard, SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Canyon Thermostat Housing Part Number: 12622316
$85.94 MSRP: $160.38
You Save: $74.44 (47%)
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Product Specifications
- Other Name: Housing, Engine Coolant Thermostat; Thermostat Housing Cover; Water Outlet
- Replaces: 12620113, 12579956
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2012 GMC Canyon | SL, SLE, SLT, WT, Z71 Fleet, Z71 SL, Z71 SLE, Z85 SL, Z85 SLE | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS
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GMC Canyon Thermostat Housing Part Number: 24588515
$84.41 MSRP: $167.54
You Save: $83.13 (50%)
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Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat Housing Cover; Thermostat Unit; Thermostat; Thermostat, Engine Coolant Temperature
- Replaces: 12642691
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2022 GMC Canyon | All Terrain, AT4, Denali, Elevation, SLE, SLT | 4 Cyl 2.8 L DIESEL
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GMC Canyon Thermostat Housing Part Number: 12698362
$94.46 MSRP: $194.12
You Save: $99.66 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing, Engine Coolant Thermostat; Thermostat Housing Cover
- Replaces: 12681135, 12660976
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 GMC Canyon | Base, SLE, SLT | 6 Cyl 3.6 L GAS

GMC Canyon Thermostat

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The Thermostat in GMC Canyon vehicles assist in controlling the temperature of the engine for efficiency. Usually situated close to the radiator, thermostat works in a way of a closed-loop control unit that assists to maintain the optimum temperature range for the engine. Through time, various types of Thermostats have been employed, these are the mechanical Thermostats that can include bimetallic strips or wax pellet and pneumatic employed through air filled control tubes. These Thermostats can operate by either turning the heating or cooling devices on or off, or can control the rate of heat transfer fluids; these help in better management of temperatures and also increase effectiveness in operation in many applications.

GMC Canyon Thermostat Parts and Q&A

Thermostat Housing
12622316
Q: How to replace the engine coolant thermostat in LLV and LLR engines (2.9L, 3.7L) on GMC Canyon?
A:
To replace the engine-coolant Thermostat in vehicles with llv and llr engines (2.9L, 3.7L), start with draining the cooling system. Lift and stabilize the vehicle enough to reach the Thermostat Housing wheezing through the wheelhouse, then pop the leftover wheelhouse liner. It is recommended to remove the radiator inlet hose from the Thermostat by using hose clamp pliers, i.e., a j 38185 hose clamp pliers. Secondly, you need to remove the Thermostat Housing bolts and loosen the Thermostat Housing from the engine block. Clean and inspect the engine block's sealing surface and the Thermostat Housing. For installation, place the Thermostat Housing onto the engine block while making sure the Thermostat Housing bolts are properly installed and tightened immediately to 10 nm (89 lb in). Replace the radiator inlet hose using the j 38185 hose clamp pliers, replace the left wheelhouse liner, and lower the vehicle. Lastly, cool down the system and check all the sealing points for leakages after the ignition of the engine.