How to replace a water pump on 2002 Chevrolet Trailblazer?

To change the water pump, drain the coolant, take out the fan, shroud and the drive belt. Install and remove the bolts and pump water pulley using the Fan Clutch Wrench. Wipe, clean, and change the gasket (when necessary). Install the new pump and reassemble the parts, refill the coolant, and make sure that there are no leaks.

OEM 2002 Chevrolet Trailblazer Water Pump

H2O Pump

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2002 Chevrolet Trailblazer Water Pump Part Number: 12620226
$145.44 MSRP: $260.88
You Save: $115.44 (45%)
Product Specifications
- Other Name: Pump, Water; Pump, Engine Coolant
- Replaces: 24576952
- Item Weight: 3.00 Pounds
- Item Dimensions: 8.1 x 5.5 x 5.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12620226
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Chevrolet Trailblazer Submodels:
- Base, LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS

2002 Chevrolet Trailblazer Water Pump

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2002 Chevrolet Trailblazer Water Pump Parts and Q&A

Q: How to replace a water pump on 2002 Chevrolet Trailblazer?
A: To change the water pump, drain the coolant, take out the fan, shroud and the drive belt. Install and remove the bolts and pump water pulley using the Fan Clutch Wrench. Wipe, clean, and change the gasket (when necessary). Install the new pump and reassemble the parts, refill the coolant, and make sure that there are no leaks.