1. Getting Started - Prepare for the repair
2. Overview - How to determine cooling system type
3. Open the Hood - How to pop the hood and prop it open
4. Find Reservoir - Locate the coolant reservoir and clean it
5. Drain Reservoir - Remove coolant from the reservoir
6. Radiator Cap - Remove the radiator cap before draining
7. Drain Point - Locate the drain point on the radiator
8. Drain Coolant - Drain the coolant from the system
9. Circulate Water - Run engine with distilled water and flush
10. Fill Coolant - Dilute coolant with distilled water and fill
11. Locate Hoses - Locate the coolant hoses and connection points
12. Burp System - Remove excess air in the cooling system
13. Cap Radiator - Replace the radiator cap
14. Replace Cap - Put the reservoir cap back on
15. Clean Up Tips - Secrets to dealing with spilled coolant
16. More Info. - Additional information on coolant flushes
Adding engine coolant (also known as antifreeze) to your 2007 Buick LaCrosse is pretty easy. Engine coolant circulates through your engine to keep it cool in the summer but won't freeze in the winter. Make sure to check your engine when it is cold for an accurate reading. The video above shows you where the coolant reservoir in your LaCrosse is located and how to add coolant. Be sure to check your owners manual to determine the correct type of fluid to add - for Buicks, it will typically be in a section titled Fluid Capacities in the back of your manual. Mix the coolant with distilled water so that you have a combination of 50% coolant and 50% water. Some coolants will come premixed...that is, you don't need to add any water. These coolants will typically say 50/50 or pre-mixed on the front of the coolant bottle.
Removing the coolant reservoir cap on a warm engine could cause the cap to fly off at a high rate of speed and fluid to spray out of the reservoir. Always wear safety goggles when working on your LaCrosse. Promptly wipe up any spilled fluid as it is highly toxic. Animals love its sweet taste, so even a spilling a small amount on your garage floor can end up in the dog's stomach pretty quickly. If you notice an oily surface in your coolant, immediately have your mechanic inspect your LaCrosse for head gasket leakage
Hans Angermeier has produced over 100,000 videos showing drivers how to fix things on their cars. He has broad expertise on basic repair procedures covering the majority of cars on the road.
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