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I'm bleeding my radiators in my house and air is coming out of them no water some are hot 2 aren't I've had them open for ten minutes how long do I keep them open.or do I close them and bleed them again later what do I do

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  • 244 Answers

First, bleed only one radiator at a time. Remember the system is a closed loop so you will eventually get all the air out and hit water. If this is the first time the furnace has been used this year you could have quite a lot of air built up and it can take a long time to fully bleed the system. If you open two radiators and one is much colder than the other you can actually suck air into the circuit so open only one at a time. The air can also move around as you bleed the system so you may need to bleed it more than once.

Posted on Nov 21, 2014

  • Jeffrey Sr. Jennings Jan 10, 2015

    where to start,got a lease 10 cast iron radiator in the house first & second floor

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crayzeetrayn
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SOURCE: i have a 1999 cadillac deville thats running hot

Have you replaced the drive belt(s) and/or checked the tightness of same?

Posted on Feb 07, 2009

  • 72 Answers

SOURCE: can you bleed the water cooling system on 1999 mercury cougar

This is extremely important on some cars, for instance my BMW. 1. Have the car parked in a slight uphill slope. Make sure there is enough coolant in the expansion jar.
2. Start the engine and wait for the thermostat to open (upper radiator hose becomes warm).
3. Open up the radiator bleeding nipples slightly with a large screwdriver (bleeding nipples normally made of plastic with a '+* for a screwdriver to fit, at the highest points in the cooling circuit).
4. Allow air bubbles to fizzle out until you get a steady stream of coolant leaking out, use rags to capture leaking coolant.
5. Then close the bleeding nipples, switch off the engine and wait a few minutes for pressure to come down.
6. Open up the cap on the expansion vessel carefully and fill just below the "hot" marking.
7. Check levels again after a few miles and refill further if needed.

Done.

Posted on May 31, 2009

SOURCE: Do I need to bleed the system after replacing the radiator cap?

Definitely recommended - Process is fairly simple, let the vehicle idle and/or reach normal operating temperature - turn the"bleed screw" slightly open and note as the air bubbles escapes from the screw. Also make sure the radiator is topped up with sufficient coolant. Funny enough, the mechanic should have taken care of this process after replacing the thermostat....

Posted on Jul 16, 2009

  • 583 Answers

SOURCE: radiator over heating problem

if you hve water bubbleing while engine is running 5 will get you 10 that you have a blown head g asket ,suggest you go to radiator sevice centre,they can pressure test it and also have device to tell you if you have exhaust gas in the coolant. wont take more than 5 min. then you will know exactly where you are at...
youdoit

Posted on Jul 29, 2009

electricdime
  • 434 Answers

SOURCE: 2002 Chevy impala overheating.

If your radiator is clean inside and you water flows and circulates with the radiator cap then it is OK. The leak is probably coming from the intake area or the head gasket. You could try some BARS leak that you can get at your auto parts store and see if it seal the leak. You pour it into the radiator when it is cool. You may have to drain some coolant. There is a drain plug on the bottom of the radiator that twist in the wrong direction to open it. If it does not open don't force it. Try the other way. It should come undone. Wait until it is cool.

Posted on Dec 20, 2010

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Follow the lower radiator hose from the radiator up to the thermostat cover. Remove the electrical connector that is on the cover (to the radiator fan switch) and then remove the 2 bolts holding the cover to get to the thermostat.
How to install thermostate:
CAUTION Never open, service or drain the radiator or cooling system when hot; serious burns can occur from the steam and hot coolant. Also, when draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantities. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.
  1. Note the radio security code and station presets.
  2. Disconnect the negative battery cable.
  3. Drain the engine coolant into a sealable container.
  4. Remove the fasteners from the thermostat housing, then remove the thermostat.
To install:
See Figures 1, 2, 3 and 4
0900c152800b0b85.jpgFig. 1: A thermostat can be tested by placing it in a suitable container filled with water, and heating the water with a hot plate while monitoring the temperature with a thermometer 0900c152800b0b86.jpgFig. 2: The thermostat should open when the water reaches the correct temperature 0900c152800b0b87.jpgFig. 3: The coolant bleed screw is located near the thermostat housing on Odysseys with 4-cylinder engines 0900c152800b0b88.jpgFig. 4: Always install the thermostat with the small pin at the top. The rubber thermostat seal is installed around the thermostat
  1. Install the thermostat using a new seal. If the thermostat has a small bleed hole, make sure the bleed hole is on the top.
  2. Apply an anti-seize compound to the threads of the fasteners.
  3. Reassemble in the reverse order of disassembly.
  4. Set the heater to the full hot position. Set the heater to the full hot position.
  5. On Odyssey models with 4-cylinder engines, locate the coolant bleed valve near the thermostat housing and open the valve 1/2 turn.
  6. Top off the cooling system and overflow reservoir with a 50/50 mixture of a recommended antifreeze and water solution, and bleed the system to remove any air pockets as necessary. Simultaneously squeeze the upper and lower radiator hoses to help push any captured air pockets out of the system.
  7. Inspect all coolant hoses and fittings to make sure they are properly installed and if previously opened, close the bleed valve.
  8. Connect the negative battery cable.
  9. Install the radiator cap loosely and start the engine. Allow the engine to run until the cooling fan has cycled two times, then turn the engine OFF and top off the cooling system as necessary.
  10. Install the radiator cap and inspect for leaks.
  11. Enter the radio security code.
WARNING The manufacturer does not recommend using a coolant concentration of greater than 60% antifreeze. When mixing a 50/50 solution of antifreeze and water, using distilled water may help to keep the cooling system from building up mineral deposits and internal blockage.

This is the original link for more info
http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800b0b84
Please let me know if you need more info. I am here to help.
Good Luck

Jan 18, 2009 | 1997 Honda Odyssey

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