How do I diagnose and replace a thermostat in the cooling system on GMC Canyon?

Before assuming the thermostat is bad, check the coolant level, the drive belt tension, and the temperature gauge operation. Start disconnecting the cable from the negative terminal of the battery and draining the cooling system. Then, locate the thermostat housing by following the lower radiator hose to the engine. Remove the bolts and detach the thermostat housing, cleaning the mating surfaces on the engine and the housing. Install a new O-ring in the housing and reattach it to the engine, tightening the bolts to the proper torque specifications. Finally, refill the cooling system, check for leaks, and repeat the steps to ensure the repairs have resolved the previous problem(s).

Genuine GMC Canyon Thermostat

Engine Coolant Thermostat

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5 Thermostats found

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GMC Canyon Housing Assembly, Eng Cool Therm
Part Number: 12678784
$82.24 MSRP: $154.14
You Save: $71.90 (47%)
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Product Specifications
- Replaces: 12673280, 12647180, 12670209
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB SLE - 6'2" BOX, CREW CAB SLT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
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GMC Canyon Housing,Engine Coolant Thermostat
Part Number: 12622316
$72.88 MSRP: $153.10
You Save: $80.22 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: HOUSING, Engine Coolant Thermostat; Thermostat Housing, Water Outlet
- Replaces: 12620113, 12579956
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2012 GMC Canyon | PICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH | 4 Cyl 2.8L, 4 Cyl 2.9L, 5 Cyl 3.5L, 5 Cyl 3.7L
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GMC Canyon THERMOSTAT KIT,ENG COOL
Part Number: 19420815
$37.08 MSRP: $75.24
You Save: $38.16 (51%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2012 GMC Canyon | PICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH | 8 Cyl 5.3L
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GMC Canyon HOUSING ASM,ENG COOL THERM
Part Number: 12698362
$88.42 MSRP: $158.60
You Save: $70.18 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat Housing
- Replaces: 12681135, 12660976
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2016 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB SLE - 6'2" BOX, CREW CAB SLT - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 6 Cyl 3.6L
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GMC Canyon Thermostat Assembly, Eng Cool
Part Number: 24588515
$76.94 MSRP: $156.14
You Save: $79.20 (51%)
ADD TO CART
Product Specifications
- Other Name: Thermostat, Thermostat Housing, Thermostat Unit
- Replaces: 12642691
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2022 GMC Canyon | CREW CAB - 5'2" BOX, CREW CAB - 6'2" BOX, CREW CAB SLE - 6'2" BOX, CREW CAB SLT - 6'2" BOX, EXT CAB - 6'2" BOX, EXTENDED CAB - 6'2" BOX, SLE CREW CAB - 5'2" BOX, SLE EXTENDED CAB - 6'2" BOX, SLT CREW CAB - 5'2" BOX, SLT EXTENDED CAB - 6'2" BOX | 4 Cyl 2.8L Diesel

GMC Canyon Thermostat

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.

Each OEM GMC Canyon Thermostat we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Canyon Thermostat Parts Questions & Experts Answers

Housing,Engine Coolant Thermostat
12622316
Q: How do I diagnose and replace a thermostat in the cooling system on GMC Canyon?
A: Before assuming the thermostat is bad, check the coolant level, the drive belt tension, and the temperature gauge operation. Start disconnecting the cable from the negative terminal of the battery and draining the cooling system. Then, locate the thermostat housing by following the lower radiator hose to the engine. Remove the bolts and detach the thermostat housing, cleaning the mating surfaces on the engine and the housing. Install a new O-ring in the housing and reattach it to the engine, tightening the bolts to the proper torque specifications. Finally, refill the cooling system, check for leaks, and repeat the steps to ensure the repairs have resolved the previous problem(s).