How to replace the engine coolant thermostat on GMC Sierra 1500?

Starting the replacement process requires removal of the Thermostat Housing. Next, take out the Thermostat. During installation place the new Thermostat into its position before reinstalling the Thermostat Housing.

How to replace the engine coolant thermostat on GMC Yukon?

First, remove the Thermostat Housing when changing the engine coolant Thermostat. Next, take out the Thermostat. Place the new Thermostat first and then rehouse it in its position.

OEM GMC Thermostat

Engine Coolant Thermostat

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47 Thermostats found

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GMC Thermostat Part Number: 12514334
$13.52 MSRP: $24.14
You Save: $10.62 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat 195 Degree, Engine Coolant Temperature
Fits the following GMC Models:
- C1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C3500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- K1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- K2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- K3500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 7.4 L GAS
- Safari | 1987-1990 | Base | 4 Cyl 2.5 L GAS
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GMC Thermostat Unit Part Number: 24506986
$18.80 MSRP: $34.02
You Save: $15.22 (45%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat
- Replaces: 03037747, 10207375, 3037747, 24500253
Fits the following GMC Models:
- Sonoma | 1995 | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Thermostat Housing Part Number: 12620112
$57.36 MSRP: $117.88
You Save: $60.52 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Replaces: 12567750, 12572988, 12602913
Fits the following GMC Models:
- Envoy | 2002-2009 | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
- Envoy XL | 2002-2006 | SLE, SLT | 6 Cyl 4.2 L GAS
- Envoy XUV | 2004-2005 | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Thermostat Part Number: 12559575
$14.39 MSRP: $27.02
You Save: $12.63 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12559269, 12559573, 10210450
Fits the following GMC Models:
- C2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- C2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- C3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- K2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- K2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- K3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
- Savana 3500 | 1996-2002 | Base, SLE, SLT | 8 Cyl 7.4 L GAS, 8 Cyl 8.1 L GAS
- Sierra 2500 HD | 2001-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
- Sierra 2500 HD Classic | 2007 | SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
- Sierra 3500 | 2001-2006 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
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GMC Thermostat Part Number: 10190925
$14.60 MSRP: $27.42
You Save: $12.82 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 10147886, 10190927
Fits the following GMC Models:
- C1500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C1500 Suburban | 1992-1995 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- C2500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- C2500 Suburban | 1992-1995 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- C3500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 5.7 L GAS
- G1500 | 1992-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G2500 | 1992-1995 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- G3500 | 1992-1996 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- Jimmy | 1994-1995 | Base, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- K1500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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GMC Thermostat Part Number: 12632948
$29.83 MSRP: $56.02
You Save: $26.19 (47%)
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12257859, 12563335, 12557859, 12597583, 12551472
Fits the following GMC Models:
- C1500 | 1996-1999 | Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- C1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- C2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- C2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- C3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- Jimmy | 1996-2001 | Base, Diamond Edition, Envoy, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- K1500 | 1996-1999 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
- K1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
- K2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
- K2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 5.7 L GAS
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GMC Thermostat Unit Part Number: 24505924
$24.47 MSRP: $48.56
You Save: $24.09 (50%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant (W/Gasket); Thermostat; Thermostat, Engine Coolant Temperature
Fits the following GMC Models:
- Jimmy | 1994-1995 | Base, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- Safari | 1992-1995 | Base, GT, SL, SLE, SLT, SLX | 6 Cyl 4.3 L GAS
- Sonoma | 1994-1995 | SL, SLE, SLS | 6 Cyl 4.3 L GAS
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GMC Thermostat Part Number: 12680456
$22.48 MSRP: $42.22
You Save: $19.74 (47%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat, Engine Coolant Temperature
Fits the following GMC Models:
- Sierra 2500 HD | 2017-2024 | AT4, AT4X, Base, Denali, Denali Ultimate, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2017-2024 | AT4, Base, Denali, Denali Ultimate, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Thermostat Housing Part Number: 12618159
$70.15 MSRP: $131.74
You Save: $61.59 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing, Engine Coolant Thermostat; Engine Coolant Thermostat Housing; Thermostat Housing Cover
Fits the following GMC Models:
- Terrain | 2010-2017 | Denali, SL, SLE, SLT | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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GMC Thermostat Part Number: 12559336
$35.26 MSRP: $66.22
You Save: $30.96 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12554977
Fits the following GMC Models:
- C1500 | 1996-1997 | Sierra GT, Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 8 Cyl 6.5 L DIESEL
- C1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- C2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
- C2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- C3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
- K1500 | 1996-1998 | Sierra SL, Sierra SLE, Sierra SLT, Sierra Special | 8 Cyl 6.5 L DIESEL
- K1500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- K2500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
- K2500 Suburban | 1996-1999 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- K3500 | 1996-2000 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
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GMC Thermostat Housing Part Number: 12689039
$71.08 MSRP: $146.06
You Save: $74.98 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
- Replaces: 12651113
Fits the following GMC Models:
- Terrain | 2010-2017 | Denali, SLE, SLT | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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GMC Thermostat Part Number: 10207373
$11.27 MSRP: $20.12
You Save: $8.85 (44%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
Fits the following GMC Models:
- C1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- C2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- G1500 | 1992 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
- G2500 | 1992 | Rally, Rally STX, Vandura | 6 Cyl 4.3 L GAS
- G3500 | 1992 | Vandura, Vandura Special | 6 Cyl 4.3 L GAS
- Jimmy | 1992-1993 | Base, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
- K1500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- K2500 | 1988-1990 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS
- Safari | 1985-1992 | Base, SL, SLE, SLT, SLX | 6 Cyl 4.3 L GAS
- Sonoma | 1992-1993 | Base, SLE, SLS | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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GMC Thermostat Housing Part Number: 12642720
$118.58 MSRP: $214.62
You Save: $96.04 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
Fits the following GMC Models:
- Sierra 2500 HD | 2011-2016 | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2011-2016 | Base, Denali, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Thermostat Housing Part Number: 24588515
$84.41 MSRP: $167.54
You Save: $83.13 (50%)
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant; Thermostat Housing Cover; Thermostat Unit; Thermostat; Thermostat, Engine Coolant Temperature
- Replaces: 12642691
Fits the following GMC Models:
- Canyon | 2016-2022 | All Terrain, AT4, Denali, Elevation, SLE, SLT | 4 Cyl 2.8 L DIESEL
- Savana 2500 | 2017-2022 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
- Savana 3500 | 2017-2022 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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GMC Thermostat Part Number: 12559337
$28.06 MSRP: $52.70
You Save: $24.64 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12551497
Fits the following GMC Models:
- G2500 | 1994-1995 | Rally, Rally STX, Vandura | 8 Cyl 6.5 L DIESEL
- G3500 | 1994-1996 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 8 Cyl 6.5 L DIESEL
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GMC Thermostat Part Number: 12572866
$11.41 MSRP: $21.42
You Save: $10.01 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Assembly-Engine Coolant
Fits the following GMC Models:
- Acadia | 2007 | SLE, SLT | 6 Cyl 3.6 L GAS
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GMC Thermostat Housing Part Number: 12673413
$103.58 MSRP: $212.84
You Save: $109.26 (52%)
ADD TO CART
Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Water Inlet; Thermostat Unit; Housing, Engine Coolant Thermostat
- Replaced by: 25205818
Fits the following GMC Models:
- Terrain | 2018-2024 | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS
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GMC Intake Manifold Part Number: 24577299
$16.76 MSRP: $29.91
You Save: $13.15 (44%)
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature; Thermostat Unit; Thermostat
- Replaces: 24576634, 10182377, 24577130
Fits the following GMC Models:
- C2500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
- C2500 Suburban | 1992-1995 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- C3500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
- G3500 | 1992-1996 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 8 Cyl 7.4 L GAS
- K2500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
- K2500 Suburban | 1992-1995 | Base, SLE, SLT | 8 Cyl 7.4 L GAS
- K3500 | 1991-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 7.4 L GAS
- Sonoma | 1992-2003 | Base, SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 2.8 L GAS
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GMC Thermostat Housing Part Number: 97383685
$228.06 MSRP: $358.84
You Save: $130.78 (37%)
Product Specifications
- Other Name: Housing, Engine Coolant Temperature; Thermostat Housing Cover; Housing, Engine Coolant Thermostat
Fits the following GMC Models:
- Savana 2500 | 2006-2008 | Base | 8 Cyl 6.6 L DIESEL
- Savana 3500 | 2006-2008 | Base | 8 Cyl 6.6 L DIESEL
- Sierra 2500 HD | 2007 | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2007 | SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
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GMC Thermostat Part Number: 12559338
$39.32 MSRP: $70.21
You Save: $30.89 (44%)
Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 10154622, 12551496
Fits the following GMC Models:
- C1500 | 1988-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX, Sierra Special | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- C1500 Suburban | 1995 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- C2500 | 1988-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- C2500 Suburban | 1994-1995 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- C3500 | 1988-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- K1500 | 1988-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLS, Sierra SLT, Sierra SLX, Sierra Special, Sierra Sport | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- K1500 Suburban | 1995 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- K2500 | 1988-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
- K2500 Suburban | 1994-1995 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
- K3500 | 1988-1995 | Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
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GMC Thermostat

Choose OEM Thermostat, you're making the optimal decision for superior quality and perfect performance. You can feel confident because each component goes through stringent quality checks. Every part is carefully built to comply with GMC's factory specifications. You'll enjoy a smooth, worry-free installation that fits just right. At ChevyPartsDeal.com, you'll find it easy to get top-quality OEM GMC Thermostat. You can shop at highly competitive prices and protect your budget. All our genuine GMC parts include a dependable manufacturer's warranty. You'll also appreciate our straightforward return policy and swift delivery services for extra convenience.

GMC Thermostat Parts and Q&A

Thermostat
12632948
Q: How to replace the engine coolant thermostat on GMC Sierra 1500?
A:
Starting the replacement process requires removal of the Thermostat Housing. Next, take out the Thermostat. During installation place the new Thermostat into its position before reinstalling the Thermostat Housing.
Thermostat
89018168
Q: How to replace the engine coolant thermostat on GMC Yukon?
A:
First, remove the Thermostat Housing when changing the engine coolant Thermostat. Next, take out the Thermostat. Place the new Thermostat first and then rehouse it in its position.