how to flush radiator of 99 toyota 4 runner

Get down on your side/back under the truck and from the “facing the truck” perspective, there is a little white plastic “petcock” or drain plug on the left or passenger side facing the rear. The plug unthreads counterclockwise.

How do you drain the coolant on a 1998 Toyota 4runner? Get down on your side/back under the truck and from the “facing the truck” perspective, there is a little white plastic “petcock” or drain plug on the left or passenger side facing the rear. The plug unthreads counterclockwise.

How much coolant does a 1999 4runner take? Bought my Toy Red coolant for $26.50 each, you need two since the coolant capacity is 9.3 quarts – 4 quarts=1 gallon.

How do you flush a Toyota radiator?

Flush the Radiator Remove the radiator cap and pour distilled water into the radiator until full. Replace the cap, then start up the vehicle and let it run for 10 to 15 minutes. This will work the distilled water into the engine, flushing out any loose debris or corrosion along with the last of the old antifreeze.

Does Toyota recommend coolant flush?

How often should you change coolant in a Toyota? Typically, you should have your Toyota coolant flush completed each 30,000 miles or each two years. There are some instances where your vehicle can go without a flush for a longer period of time.

Why is Toyota coolant red?

The pink coolant is an OAT (organic acid technology) that typically has a longer service life. The red coolant on the other hand is an IAT (inorganic acid technology) that is considered to be more “conventional” but still longer lasting than some other coolants on the market.

What antifreeze does Toyota use?

Genuine Toyota Super Long Life Antifreeze/Coolant is a new generation ethylene glycol based coolant which is pre-diluted 50:50 with de-ionized water for freeze protection to -34°F.

What color is Toyota coolant?

What color coolant does Toyota use? It’s important to understand that color doesn’t matter. While most Organic Acid Technology (OAT) coolants are commonly orange, yellow, red or purple, Hybrid Organic Acid Technology (HOAT) coolants are orange and yellow.

Is there a difference between green and pink coolant?

can you mix antifreeze Pink and green? The color of the antifreeze does not indicate any difference in the properties of the coolant. It’s just that different companies use different colors, so consumers know which product they’re using just by looking at it.

What happens if you use the wrong color antifreeze?

What Happens if You Use the Wrong Coolant? … It’s important to note that the type of coolant you should use can’t accurately be identified by color. Using the wrong coolant can lead to corrosion and other damages to the radiator, water pump, radiator hoses, cylinder gasket, and more.

What does pink coolant mean?

“Next came Organic Acid Technology (OAT) coolants, whose chemical make-up offered better protection for cooling systems, and extended the life of the coolant. … “For example, say you buy a second-hand car and it has pink coolant in it.

Can I mix green antifreeze with pink antifreeze?

Absolutely yes. But don’t mix up two different types of coolant as it may lead to some damaging effects.

What is orange antifreeze?

One of the new types is “organic acid technology,” or OAT. It’s orange. … Instead of OAT, most new cars now use a “hybrid” antifreeze that’s formulated with both OAT and the silicate inhibitors from green (Japanese hybrids have different inhibitors). It comes in too many colors to pretend this type is color-coded.

Which Prestone antifreeze is green?

Prime ® Conventional Green antifreeze+coolant is the original coolant. This low silicate formula, when used as directed, will provide protection for a minimum of 1 year. Prime ® will guard against temperature extremes and the effects of rust, corrosion and premature water pump failure.

What does the color of antifreeze mean?

The color of healthy engine coolant is green (for ethylene glycol) or orange (for Dexcool). A rusty color indicates that the rust inhibitor in the coolant has broken down and it can no longer control rust and scale buildup. … A milky color indicates the presence of oil in the system.

Is antifreeze and coolant the same thing?

Engine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. There are many different types of coolant, so it’s important to know what variety is right for your car or truck.

Can antifreeze be clear?

Opticool Antifreeze Universal (Clear) is a monoethylene glycol based ready-to-use engine coolant which uses Organic Acid Inhibitor Technology and is free from nitrites, amines, phosphates, borates and silicates (BTC Classification Type 4E).

Can you mix colors of antifreeze?

It’s never a good idea to mix two different colors or types of antifreeze. Mixing two formulas won’t cause any dangerous reactions or explosions, but it could turn your coolant into a sludgy chemical mixture that won’t be able to flow properly through your cooling system. … Don’t mix different colors of antifreeze.

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