How to replace the thermostat on 2002 Chevrolet Express 2500?

In order to replace the Thermostat one should remove the air cleaner, the duct assembly, partially drain the coolant, remove the coolant recovery reservoir. Remove the Thermostat Housing to Radiator Hose, bolts attaching the Thermostat Housing to the Thermostat, and take off Thermostat Housing. Next, take off the Thermostat and clean gasket mating face. For the installation, install the Thermostat first, followed by attaching the Thermostat Housing on the Intake Manifold in place with bolts that should be tightened to 25 nm (18 ft. Lbs.). Reconnect the Radiator Hose to the Thermostat Housing, reinstall the coolant recovery reservoir, and replace the air cleaner and duct. Refill the cooling system, bleed the air from the system, and lastly check for coolant leakage in the Thermostat Housing and gasket.

OEM 2002 Chevrolet Express 2500 Thermostat

Engine Coolant Thermostat

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2002 Chevrolet Express 2500 Thermostat
Part Number: 12632948
$29.24 MSRP: $54.92
You Save: $25.68 (47%)
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12257859, 12563335, 12557859, 12597583, 12551472
- Item Weight: 1.30 Pounds
- Item Dimensions: 3.0 x 3.1 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12632948
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Chevrolet Express 2500 Submodels:
- Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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2002 Chevrolet Express 2500 Thermostat
Part Number: 12559336
$35.26 MSRP: $66.22
You Save: $30.96 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Thermostat, Engine Coolant Temperature
- Replaces: 12554977
- Item Weight: 0.60 Pounds
- Item Dimensions: 3.1 x 3.2 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12559336
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Chevrolet Express 2500 Submodels:
- Base, LS | 8 Cyl 6.5 L DIESEL
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2002 Chevrolet Express 2500 Thermostat Housing
Part Number: 12553405
Product Specifications
- Other Name: Housing, Engine Coolant Thermostat; Thermostat Housing Cover
- Item Weight: 2.60 Pounds
- Item Dimensions: 16.8 x 9.2 x 5.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12553405
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Chevrolet Express 2500 Submodels:
- Base, LS | 8 Cyl 6.5 L DIESEL

2002 Chevrolet Express 2500 Thermostat

With a comprehensive array of OEM 2002 Chevrolet Express 2500 Thermostat, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2002 Chevrolet Express 2500 Thermostat are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2002 Chevrolet Express 2500 Parts Questions & Experts Answers

Q: How to replace the thermostat on 2002 Chevrolet Express 2500?
A: In order to replace the Thermostat one should remove the air cleaner, the duct assembly, partially drain the coolant, remove the coolant recovery reservoir. Remove the Thermostat Housing to Radiator Hose, bolts attaching the Thermostat Housing to the Thermostat, and take off Thermostat Housing. Next, take off the Thermostat and clean gasket mating face. For the installation, install the Thermostat first, followed by attaching the Thermostat Housing on the Intake Manifold in place with bolts that should be tightened to 25 nm (18 ft. Lbs.). Reconnect the Radiator Hose to the Thermostat Housing, reinstall the coolant recovery reservoir, and replace the air cleaner and duct. Refill the cooling system, bleed the air from the system, and lastly check for coolant leakage in the Thermostat Housing and gasket.