How to replace the coolant reservoir on 2003 Buick Rendezvous?

Make sure to adjust the reservoir hose clamp at the radiator overflow fitting with the Hose Clamp Pliers (J 38185) before anything else. Follow that by removing the reservoir hose from the overflow fitting, then take off the reservoir mounting clip and take out the coolant reservoir. At installation, the first step is to install the new coolant reservoir and fasten it with the reservoir mounting clip. Put the reservoir hose onto the radiator overflow fitting and use the Hose Clamp Pliers (J 38185) to crimp the hose clamp onto the hose. Finally, fill the coolant reservoir.

OEM 2003 Buick Rendezvous Coolant Reservoir

Coolant Tank Reservoir

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2003 Buick Rendezvous Reservoir Part Number: 15250668
Product Specifications
- Other Name: Reservoir, Engine Coolant Recovery; Coolant Reservoir
- Replaces: 10311259, 10295298
- Item Weight: 1.30 Pounds
- Item Dimensions: 15.2 x 12.6 x 6.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15250668
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Buick Rendezvous Submodels:
- CX, CX Plus, CXL, CXL Plus, Ultra | 6 Cyl 3.4 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.6 L GAS

2003 Buick Rendezvous Coolant Reservoir

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2003 Buick Rendezvous Coolant Reservoir Parts and Q&A

Q: How to replace the coolant reservoir on 2003 Buick Rendezvous?
A: Make sure to adjust the reservoir hose clamp at the radiator overflow fitting with the Hose Clamp Pliers (J 38185) before anything else. Follow that by removing the reservoir hose from the overflow fitting, then take off the reservoir mounting clip and take out the coolant reservoir. At installation, the first step is to install the new coolant reservoir and fasten it with the reservoir mounting clip. Put the reservoir hose onto the radiator overflow fitting and use the Hose Clamp Pliers (J 38185) to crimp the hose clamp onto the hose. Finally, fill the coolant reservoir.