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Bleed trapped air from coolant system ?

 
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Me

External


Since: Oct 23, 2008
Posts: 4



(Msg. 1) Posted: Fri Oct 24, 2008 6:28 pm
Post subject: Bleed trapped air from coolant system ?
Archived from groups: alt>autos>dodge>trucks (more info?)

I did an oil change and backflushed the heater core today because it wasnt
too warm even when the engine had warmed up,and it helped the heater to blow
hotter than it was before,but now i can hear the water sloshing around
behind the dash when i rev up / accelerate. It sounds to me like there is a
bit of air trapped in there. If thats the case,how can i bleed it off? I let
the engine idle for a few mins, and took around the block a few times while
keeping an eye on the temp gauge,which didn't go any higher than normal,so I
also want to know if its safe to drive it like this

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Me

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Since: Oct 23, 2008
Posts: 4



(Msg. 2) Posted: Fri Oct 24, 2008 6:34 pm
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]
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"Me" wrote in message

>I did an oil change and backflushed the heater core today because it wasnt
>too warm even when the engine had warmed up,and it helped the heater to
>blow hotter than it was before,but now i can hear the water sloshing around
>behind the dash when i rev up / accelerate. It sounds to me like there is a
>bit of air trapped in there. If thats the case,how can i bleed it off? I
>let the engine idle for a few mins, and took around the block a few times
>while keeping an eye on the temp gauge,which didn't go any higher than
>normal,so I also want to know if its safe to drive it like this
>
>


And when i said water,I meant coolant !

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Roy5

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Since: Mar 23, 2004
Posts: 1115



(Msg. 3) Posted: Fri Oct 24, 2008 9:59 pm
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Me" wrote in message

>I did an oil change and backflushed the heater core today because it wasnt
>too warm even when the engine had warmed up,and it helped the heater to
>blow hotter than it was before,but now i can hear the water sloshing around
>behind the dash when i rev up / accelerate. It sounds to me like there is a
>bit of air trapped in there. If thats the case,how can i bleed it off? I
>let the engine idle for a few mins, and took around the block a few times
>while keeping an eye on the temp gauge,which didn't go any higher than
>normal,so I also want to know if its safe to drive it like this
>

This is a problem with corvettes as well. You have to sorta burp them. Park
on a steep incline with the nose high, open the radiator cap and run it, the
air will come out. Vettes had a bleeder on the thermostat housing for this.
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mac davis

External


Since: Jul 16, 2008
Posts: 8



(Msg. 4) Posted: Sat Oct 25, 2008 7:37 am
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Fri, 24 Oct 2008 18:28:13 -0700, "Me"
wrote:

>I did an oil change and backflushed the heater core today because it wasnt
>too warm even when the engine had warmed up,and it helped the heater to blow
>hotter than it was before,but now i can hear the water sloshing around
>behind the dash when i rev up / accelerate. It sounds to me like there is a
>bit of air trapped in there. If thats the case,how can i bleed it off? I let
>the engine idle for a few mins, and took around the block a few times while
>keeping an eye on the temp gauge,which didn't go any higher than normal,so I
>also want to know if its safe to drive it like this
>
It would really help to know what make model, etc..

My Dodge Dakota has an air bleed next to the radiator cap... Takes about a 3/8"
allen, as I recall..


mac

Please remove splinters before emailing
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Roy5

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Since: Mar 23, 2004
Posts: 1115



(Msg. 5) Posted: Sat Oct 25, 2008 11:19 am
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"mac davis" wrote in message

> On Fri, 24 Oct 2008 18:28:13 -0700, "Me"
>
> wrote:
>
>>I did an oil change and backflushed the heater core today because it wasnt
>>too warm even when the engine had warmed up,and it helped the heater to
>>blow
>>hotter than it was before,but now i can hear the water sloshing around
>>behind the dash when i rev up / accelerate. It sounds to me like there is
>>a
>>bit of air trapped in there. If thats the case,how can i bleed it off? I
>>let
>>the engine idle for a few mins, and took around the block a few times
>>while
>>keeping an eye on the temp gauge,which didn't go any higher than normal,so
>>I
>>also want to know if its safe to drive it like this
>>
> It would really help to know what make model, etc..
>
> My Dodge Dakota has an air bleed next to the radiator cap... Takes about a
> 3/8"
> allen, as I recall..
>

I believe it is a 2K Dak bro.

Roy
> mac
>
> Please remove splinters before emailing
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DDT

External


Since: Apr 14, 2008
Posts: 3



(Msg. 6) Posted: Sat Oct 25, 2008 2:14 pm
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On a 97 dakotas the drain is on left lower, rear. Turn it a 1/4 turn left
and pull out.
I'm fighting heater core leak since flushing with prestone flush. Wish I
had'nt done that.
Added two small bars leak but it is still leaking.

--
Dick
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Me

External


Since: Oct 23, 2008
Posts: 4



(Msg. 7) Posted: Sat Oct 25, 2008 11:39 pm
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"mac davis" wrote in message

> On Fri, 24 Oct 2008 18:28:13 -0700, "Me"
>
> wrote:
>
>>I did an oil change and backflushed the heater core today because it wasnt
>>too warm even when the engine had warmed up,and it helped the heater to
>>blow
>>hotter than it was before,but now i can hear the water sloshing around
>>behind the dash when i rev up / accelerate. It sounds to me like there is
>>a
>>bit of air trapped in there. If thats the case,how can i bleed it off? I
>>let
>>the engine idle for a few mins, and took around the block a few times
>>while
>>keeping an eye on the temp gauge,which didn't go any higher than normal,so
>>I
>>also want to know if its safe to drive it like this
>>
> It would really help to know what make model, etc..
>
> My Dodge Dakota has an air bleed next to the radiator cap... Takes about a
> 3/8"
> allen, as I recall..
>
>
> mac
>
> Please remove splinters before emailing


Yeah,sorry,it is a 2000 Dak.
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mac davis

External


Since: Jul 16, 2008
Posts: 8



(Msg. 8) Posted: Sun Oct 26, 2008 9:30 am
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Sat, 25 Oct 2008 23:39:19 -0700, "Me"
wrote:

>> My Dodge Dakota has an air bleed next to the radiator cap... Takes about a
>> 3/8" allen, as I recall..

>Yeah,sorry,it is a 2000 Dak.
>
Should be the same, ours is a 2001 with 4.7L, built in 2000


mac

Please remove splinters before emailing
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THEDUDE




Joined: Jan 02, 2010
Posts: 4



(Msg. 9) Posted: Sat Jan 02, 2010 9:23 pm
Post subject: Re: Bleed trapped air from coolant system ? [Login to view extended thread Info.]

just jack up the front end, or put it on car ramps or a steep drive way or street and make sure its cool when u take off the radiator cap. but then start it let it run
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