How to replace the coolant reservoir on 2003 Chevrolet Avalanche 1500?

In order to replace the surge tank, drain the cooling system and take out the air cleaner assembly. Unscrew the overflow hose and the low coolant level switch. Disconnect the hose of the inlet and outlet, and remove the surge tank. Installation Restoring the system of the air cleaner, connecting the switch, and fixing the hoses.

OEM 2003 Chevrolet Avalanche 1500 Coolant Reservoir

Coolant Tank Reservoir

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2003 Chevrolet Avalanche 1500 Recovery Tank Part Number: 19353731
$87.12 MSRP: $113.30
You Save: $26.18 (24%)
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Product Specifications
- Other Name: Tank, Engine Coolant Recovery; Coolant Reservoir
- Replaces: 15085724, 15049676, 15203949, 15808716, 15778387, 15046661, 15074857, 15012547
- Item Weight: 0.40 Pounds
- Item Dimensions: 14.0 x 13.3 x 11.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19353731
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

2003 Chevrolet Avalanche 1500 Coolant Reservoir

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2003 Chevrolet Avalanche 1500 Coolant Reservoir Parts and Q&A

Q: How to replace the coolant reservoir on 2003 Chevrolet Avalanche 1500?
A: In order to replace the surge tank, drain the cooling system and take out the air cleaner assembly. Unscrew the overflow hose and the low coolant level switch. Disconnect the hose of the inlet and outlet, and remove the surge tank. Installation Restoring the system of the air cleaner, connecting the switch, and fixing the hoses.