I tried search, but couldn't come up with consistent answers. How do you properly burp the cooling system after replacing the fluid in a 2001 4.7L? I'm assuming you run it until hot then slowly loosen the bleed screw until air bubbles come out, but I'm not sure. TIA

 

Remove the bleeder screw 1st and fill. tighten and run the engine as it warms up loose the screw and watch the air come out, when you see just coolant and no air tighten you are done.

 

where is the bleeder screw? if you don't burp the system what wil happen? tia.

 

Don't and you will overheat.

Mr Obvious... er... IndyDurango

 

seriously though can somebody tell me where the bleeder screw is? i have everything back together and ready to go waiting on this!

 

DWRDSPRL:

Look at your upper radiator hose and follow it towards the block. You will see a silver cast piece with a good sized hex screw in it. This is your bleeder screw and it says so right below the screw on the casting.

Don

 

Is this bleeder screw on the 2000 models as well??? Thanks.

 

I can not say for sure since they made quite a few changes between the 00-01 model year, but bet it is there. Take a look and see.

Don

 

i guess thats where i messed up. we have a 2000 5.2liter. is there a way to do it on this engine?

 

5.2s/5/9s no 'burb' really. Take the cap off, run the motor until the coolant is passing by the opening under the cap under a high flow. This means the heater core has opened and all air is passing from the block, etc, as the fluid moves around. We are looking for rapid movement of the fluid. One that happens, place the cap back on and you are done.

HTH,

IndyDurango