I am trying to drain the coolant from the radiator of my Pilot. Just under the radiator is a removal plastic portal cover that says "radiator drain access" I have removed same and can see what I believe is a wing nut shaped plug on the radiator. The problem is I can't reach it with more than my finger tips, is there a special tool to remove or is that not the radiator plug ???
I use a 7/8 inch socket .It fits over that plastic drain plug enough to loosten it and retighten it.You can use a 3/8 drive or 1/2 inch.Works fine.In about15 seconds you're draining the coolant;no scratched hands or busted knuckles.
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Make sure the engine is fully cold, open the radiator cap on the plastic reservoir, drain the coolant into a large pan by opening the plastic plug at bottom of radiator - reclose the plastic plug when drained. Cover the top half of the serpentine belt with a plastic bag. Remove the spring clip radiator hose connection at the engine block/thermo housing. Move the radiator hose back and forth gently until it breaks loose. Loosen the 10mm bolts holding the thermo assembly in place. Tap the thermo housing with a rubber or plastic hammer or pry the housing gently with a long blade screwdriver from behind by the lip, Remove the bolts all the way, remove the thermo housing, clean the circular ring area of debris in the engine block where the thermostat sits. Place the new thermostat assembly in place, torque bolts to 5 nm, then back and forth to 12nm then to 22nm. Replace the radiator hose, put on a new clamp and fill radiator with coolant as well as the plastic canister. put the cap on the reservoir, remove plastic bag from serpentine belt, start car - check for leaks, readjust coolant level after 20-25 minutes.
Begin by sliding under the front of the car and locating the radiator drain plug on the bottom of the passenger's side of the radiator. Slide the catch container under the drain plug. Use the socket set to loosen and remove the plug. Allow all the coolant to drain out of the system.
Follow the coolant line that comes out of the bottom of the radiator and enters the engine block. Where the line enters the block, there is a small oval cover. Use the socket set to remove the two screws holding this oval cover on. Below the cover, you will find the thermostat.
Pull the thermostat out and then slide in the new thermostat. Replace the cover and tighten down the mounting screws. Unscrew the radiator cap and fill the system with a 50/50 mix of water and radiator fluid. Start the car and see if it cools down like it should.
Park the Nissan Altima on a flat surface and set the parking brake. Next, open the hood and check the external temperature of the radiator. If the radiator is warm to the touch, wait for the radiator to cool before you continue.
Twist the radiator cap one turn to relieve any pressure. Step back from the radiator and allow a few seconds to pass, and then completely remove the radiator cap.
Place a bucket or tray with at least a 2-gallon capacity underneath the radiator and below the drain plug. The drain plug on a Nissan Altima is on the passenger side bottom of the radiator.
Loosen the drain plug and let the old coolant drain completely into the bucket. Take care while loosening the drain plug, because it's plastic and can be brittle. Pour the old coolant into a sealable container for proper disposal later and put the bucket back under the drain plug opening.
Close the drain plug and pour distilled water into the radiator until it's full. Then, open the drain plug and let the water flow into the bucket. Keep repeating this procedure until the water runs clear and debris free into the bucket. You will need at least 3 gallons of distilled water.
Make sure to tighten the drain plug and fill the radiator with fresh coolant. Refill the radiator to within an inch of it overflowing. Check the drain plug and hoses for any possible leaks.
Start the Nissan Altima and turn the heater to the high setting. Let it run for about 10 minutes and shut the engine off. Check the coolant level and refill, if necessary. Finally, put the radiator cap on and close the hood.
The radiator drain is going to be on the driver's side along the bottom of the radiator. Best is to remove the lower radiator hose to drain the coolant. Common for the plastic drain plug to break when trying to remove causing you more work and to go out and locate a replacement drain plug. That's why 99% of garages will drain the coolant from the lower radiator hose.
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Make sure the engine is cold before you drain the cooling system. First remove the radiator cap. Under the hood on the bottom of the radiator you will find a drain plug. You turn it counter clockwise and drain the coolant into a container. After it has been drained add new coolant using the half and half (half coolant half clean water.) After having added the coolant. Be sure to add the kind of coolant that ,("goes with any color".) Replace the radiator cap.Run the engine to operating temerature then be sure to bleed the cooling system. They have a bleed screw near the thermostat housing . (That's where the hose from the radiator connects to.) Make sure all the air comes out from the bleed valve screw until coolant starts coming out. Tighten the screw and let the engine get cool again. check that there is coolant in the container where it says coolant only near the radiator.
its a pitcock facing the cab bottom of the radiator, plastic flat. once you find the pitcock just put a bucket underneath and turn it.then refill. if you want to flush(run fluid thru to clean it out) the radiator id suggest taking it in. you dont have to flush it every time you change the coolant out.