Annual radiator flushes advice conserve your Pontiac Grand Prix's coolant operation working properly.
Older vehicles, prize the 1998 Pontiac Grand Prix, are text to build-up of rust and sludge in their cooling systems provided not flushed every 12 months. The best kind generation of year to engage in a radiator flush depends on the climate where you propel. Provided you animate in a blasting climate where frozen coolant can be a issue, you should bring about the flush in the early fall to lock up you corner abundant contemporary antifreeze. Whether you animate in a feverish climate, then doing the flush in early spring Testament assist prevent overheating during the ardent days of summer.
Instructions
1. Grounds the Grand Prix on comparable ground.
2. Stand the machine's hood and peep the hoses going to and from the radiator. Alternate any cracked or leaky hoses at the moment.
3. Peep the front of the radiator. Dead insects and leaves usually habit up on the front side of the radiator and interfere with air flow causing the motorcar to escape at hotter-than-normal temperatures. If debris is present, soak it with the garden hose and scrub with the brush to remove it. Never remove the radiator cap from a hot engine. Severe burns can occur.5. Place the drain pan under the radiator centered beneath the drain petcock.
Do not damage the radiator with the brush.4. Allow the engine to cool, then remove the radiator cap.
6. Open the petcock and allow the coolant to drain until the stream stops.
7. Refill the radiator with the garden hose and allow the water to continue to drain until no more rust or old antifreeze drains from the radiator. This can take several minutes. Stop as needed to empty the drain pan.
8. Close the petcock and pour 2 gallons of antifreeze into the radiator. Top off with plain water.
9. Replace the radiator cap and run the Grand Prix for several minutes.
10. Test the coolant with the antifreeze tester and ensure it has a freezing point low enough for local conditions. Add additional antifreeze as needed.
11. Dispose of the used coolant safely in accordance with local law.
