bleeding coolant

[midessa7]

Hello to everyone on this site. This is my first post here but the info that I've been reading about has been very useful. I've been reading about the sloshing sound under the dash and my question about the bleeding is, do I do it while the vehicle is running and up to temp or do I shut down the vehicle after it gets up to temp and bleed. If someone would just list the steps for me that would be great.

I will also try and clear the A/C drains, now that I remember I was getting water on the floor last summer.

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[Two Cold Soakers]

This is how I burb my cooling system.

Remove fill cap on cold radiator.
Start truck.
Have a bottle of antifreeze (mixed 50-50 with distilled water)
Turn on all the heaters
Warm up to operating temperature
Pull truck up on ramps (I've done this on a bumper stop in a parking lot, or a street curb) - the point is to elevate the front of the vehicle a bit. Set emergency brake (and chock wheels)
Climb up on front bumper and reach in and squeeze all of the hoses. Grab a hose with a gloved hand (motor is running and hot) and squeeze the hoses quickly and forcefully. The goal is to force a wall of water through the system and dislodge any clinging bubbles. Do this repeatedly. All hoses (heater hoses, upper and lower radiator hoses).

Hot coolant may splash out of the filler hole, this is okay. Keep the radiator filled to the top. Keep squeezing and filling, filling and squeezing.

Climb in the cab and see if the heat is coming out. Remember, if the t'stat is stuck closed, no heat will come out, and the heater hoses will not be as hot as the other hoses.

Good Luck.

 

[midessa7]

thanks, I'm on it today