Question about 2002 Cadillac Deville

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Diagram for cooling system bleeder valve 02 deville

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  • Cadillac Master
  • 15,575 Answers

There isn't one !
Filling Procedure
Notice: Do not add cold water to the cooling system with the engine at or above operating temperature. Adding cold water causes rapid cooling, resulting in possible engine damage.
NOTICE: When adding coolant, it is important that you use GM Goodwrench DEX-COOL® or HAVOLINE® DEX-COOL® coolant. If Coolant other than DEX-COOL® or HAVOLINE® DEX-COOL® is added to the system the engine coolant will require change sooner; at 50 000 km (30,000 mi) or 24 months.
Notice: Do not use a solution stronger than 70 percent antifreeze. Pure antifreeze can freeze at -22°C (-8°F).
Important: This engine is not equipped with block drains, 2.5 L (2 qt) of residual coolant remains in the engine block.
Refill the cooling system. In order to ensure sufficient engine cooling, freezing and corrosion protection, maintain the protection level at -37°C (-34°F) or lower.
Start the engine.
Place the heater and A/C control in any A/C mode except Max and the temperature in the highest setting.
Allow the engine to continue idling until the lower radiator to water pump hose is hot.
Turn OFF the engine.
Allow the engine to cool to outside temperature. Ensure the coolant level in the surge tank is at the proper level (1).

Posted on Nov 19, 2016

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Posted on Jan 02, 2017

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Anonymous

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SOURCE: cant find bleeder valve foe coolant system on 96

dr_greg is incorect. The bleeder valve is on the thermastat housing near the intake manifold. Follow the hose from the top of the radiator to the the engine. Look for something that looks like a 12mm head nut with a metal nipple comming through it. If you change your coolant but do not open this valve untill coolant flows from it you may cause an air pocket to remain in your engine, possibly causing your car to over heat.

Posted on Apr 16, 2009

B_o_B_1

  • 270 Answers

SOURCE: does my cooling system have a air bleeder valve? I

According to my data base it has one, but it doesn't give the location. The ones I've seen are located on the thermostat housing or on the engine close to it and they look like a brake bleeder valve.

Posted on Aug 03, 2009

NOT ME

  • 2841 Answers

SOURCE: I need to locate the bleeder valve for a '96

Did you replace the thermostat? If not replace it. Is the cooling fan running? If not check the fuse & thermal relay. If it has a bleeder valve it will be located on the highest part of the cooling system. It may not have one. With the engine cold remove the radiator cap. Make sure the radiator is full. Set the heater control to Hot. Start the engine and watch for escaping air bubbles. Keep the radiator full until you see no more air escaping. If it continues to overheat repeat the process.

Posted on Dec 03, 2009

shannon grills

  • 152 Answers

SOURCE: where is the bleeder valve

ok there is a 2 inch hose coming from the top of radiator follow it to where it connects to the engine it will look like a goose neck it should be right there

Posted on Dec 19, 2010

Scott Bright

  • 29 Answers

SOURCE: were is the bleeder valve for the coolant system

There is none. It is done through the reservoir bottle.

Posted on Mar 03, 2011

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The drain valve is at the bottom of the radiator (as usual) - have fun getting to it!

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Where can is the cooling system bleeder valve located?


Automotive cooling system has no bleeder valve. Removing trapped air (bleeding) from the system is done by loosening the upper radiator hose with the engine running, and letting some coolant to ooze out. If the coolant coming out already has no bubbles with it, then you already expelled out the trapped air. Simply running the system with out the radiator cap will also do the trick.

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I have changed the thermostat, and Waterpump. But it is still overheating. Someone said that it might be the head gasket.Will that cost me alot of money? Will that sovle the problem?


Before you tackle the head gaskets I would check a couple other things first:
  • If you just replaced the thermostat and the water pump, that means that you've recently added coolant to the cooling system. I would check for air bubbles in the system by 'burping' it. In order to burb the system you need to open it up either at the radiator cap or at the bleeder valve. On a lot of cars you can find the bleeder valve by following the upper radiator hose to the thermostat. Slightly open the bleeder and squeeze the upper hose a few times to try and work out any air bubbles. You can also run the engine with the bleeder open or the cap off to try and circulate the coolant and allow any air to escape. Air bubbles in the system can cause overheating.
  • Another thing you can check are your fans. Run your car for a while at idle to allow it to heat up. When it gets to the point where it starting to overheat check your cooling fans to see if they're running. If they're not, chances are that the coolant temperature sensor has gone bad which is fairly inexpensive and easy to fix.

If it does end up being the head gaskets then yes, that would cost a lot of money to repair. Let's hope that's not it.

Good Luck!

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1 Answer

Where is the bleeder valve on the rear of 87 Cadillac Deville


If you are referring to the brake bleeder valve, it is located on the wheel cylinders on the backing plate of the brakes for the drum brakes. Follow the brake lines to this bleeder valve. However, it might be rusty and must be soaked in penetrating oil or brake fluid before trying to turn it.

If you are referring to the air ride suspension, look at the rear axle area and look for a lever that controls the 'air bleed' for the air shocks. Follow the small (in diameter) plastic air lines from either of the rear shocks to the bleeder valve.

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1 Answer

Cooling system is air bound, how can I bleed it out?


Look for bleeder valves somewhere on the top of the cooling system. If you see any use them to remove trapped air. Start the engine and slowly turn the screw to remove trapped air. If there are no bleeder screws then remove the radiator cap from a cool engine. Make sure the radiator is full. Start the engine and watch for escaping air bubbles. Keep the radiator full at all times. When the engine reaches close to full operating temperature and you see no more air bubbles escaping put the cap back on. You may have to do this one more time if you experience any more trapped air in the system. Just make sure to look closely for bleeder valves. They will look like tire valves with a cap.

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98 sedan deville how to bleed cooling sistem


There should be bleeder valves either on the thermostat housing or by waterpump, just loosen them up start car and let it come up to temp. or until cooling fans come on, and watch them, when all air bubbles are gone and just coolant comming out, just close them back up and thats it. Now if there is no bleeders, just leave radiator cap loose on first notch and do same procedure stay back as it can be messey, when it looks like its all burped out shut off car let cool down and top off radiator and that should be it. Just watch your temp. guage as you do this as you don't want it to get real hot.

Mar 02, 2009 | 2001 Cadillac DeVille

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