every 5 years
Your car's owner's manual will specify how often you should replace the coolant. In general, every 24,000 to 36,000 miles is about right, or about every 24 to 26 months.
Recommend every 2 years
it turns brown when it is burnt, hasn't been changed often enough, you can replace it and you should be find
Ideally, you should change it regularly. Your Auto Zone store can provide the answer as to how often. Different autos, trucks, etc., are different because of usage.
Should really flush your system every year to prevent any rusting or fouling, but at the very least every 2 years.
Not often if there tarting to wear and tear you should replace them.
Once every three months you should change the coolant in your 2003 S10 ZR2. ?æDifferent models and makes of vehicles may require you to change the coolant more or less often.
How often should you change water pump in a boat
Replace headlight bulb only when blown.
Every time you change the coolant.
I've heard you should replace your pillow when you can bend it in half without it bending back.
Freon does not generally need to be replaced. However over time, systems sometimes have a small leak and need to have coolant added. A Freon gauge can confirm if you need to have Freon added.