How to replace the engine coolant thermostat on LLV - 2.9L and LLR - 3.7L engines on GMC Canyon?

The replacement of the engine coolant Thermostat requires draining the cooling system when working on llv - 2.9l and llr - 3.7l engines. Drivers should elevate their vehicle enough for wheelhouse access to the Thermostat Housing before they extract the left wheelhouse panel. Connect the hose clamp pliers (J 38185) to separate the radiator inlet hose from its position on the Thermostat Housing. Begin by unlatching the Thermostat Housing bolts then detach the housing from the front of the engine block. Both of the Thermostat Housing and the engine block's sealing surface require cleaning before an inspection. When installing the Thermostat Housing it should be placed onto the engine block followed by Thermostat Housing bolt tightening at 10 n.m (89 lb in). The radiator inlet hose gets attached to the Thermostat Housing using hose clamp pliers (J 38185) before replacing the left wheelhouse liner while lowering the vehicle. To finish the installation fill the cooling system while checking all components for leakage shortly after the engine starts.

OEM GMC Canyon Thermostat

Engine Coolant Thermostat

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GMC Canyon Thermostat
Part Number: 89018168
$39.67 MSRP: $78.71
You Save: $39.04 (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
$43.12 MSRP: $88.60
You Save: $45.48 (52%)
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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
$76.52 MSRP: $157.24
You Save: $80.72 (52%)
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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
$91.99 MSRP: $164.26
You Save: $72.27 (44%)
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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
$92.62 MSRP: $190.32
You Save: $97.70 (52%)
Ships in 1-2 Business Days
ADD TO CART
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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GMC Canyon Thermostat Parts Questions & Experts Answers

Thermostat Housing
12622316
Q: How to replace the engine coolant thermostat on LLV - 2.9L and LLR - 3.7L engines on GMC Canyon?
A: The replacement of the engine coolant Thermostat requires draining the cooling system when working on llv - 2.9l and llr - 3.7l engines. Drivers should elevate their vehicle enough for wheelhouse access to the Thermostat Housing before they extract the left wheelhouse panel. Connect the hose clamp pliers (J 38185) to separate the radiator inlet hose from its position on the Thermostat Housing. Begin by unlatching the Thermostat Housing bolts then detach the housing from the front of the engine block. Both of the Thermostat Housing and the engine block's sealing surface require cleaning before an inspection. When installing the Thermostat Housing it should be placed onto the engine block followed by Thermostat Housing bolt tightening at 10 n.m (89 lb in). The radiator inlet hose gets attached to the Thermostat Housing using hose clamp pliers (J 38185) before replacing the left wheelhouse liner while lowering the vehicle. To finish the installation fill the cooling system while checking all components for leakage shortly after the engine starts.