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Old 08-30-2013, 06:03 PM   #1
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Getting frustrated !!

Well I've had my car idling for about 2hrs and i still have air bubbling out of motor .... Changed everything out ......

Could one of my head gaskets have blown , ?
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Old 08-30-2013, 08:00 PM   #2
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I'm sure a blown gasket causes over heating and oil leaks and in 2 hours you would have seen something. Do you just hear it or see it? If so where?
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Old 08-30-2013, 08:24 PM   #3
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Of you have a blown head gasket there will be steam coming out of your tail pipes
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Old 08-30-2013, 09:10 PM   #4
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Not all blown head gaskets blow white smoke...anyways 2hours of idling??? That's a long time bud....does it overheat or just seeing bubbles??? Idling with cap off???is the thermostat opening???did u have heater on high???
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Old 08-31-2013, 08:20 AM   #5
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Quote:
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Not all blown head gaskets blow white smoke...anyways 2hours of idling??? That's a long time bud....does it overheat or just seeing bubbles??? Idling with cap off???is the thermostat opening???did u have heater on high???
It doesn't over heat with the cap off , the thermostat opens fine , when I put the cap on is when it over heats.

The upper radiator hose fills with air and is not letting the thermostat to open

---------- Post added at 07:20 AM ---------- Previous post was at 07:18 AM ----------

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It doesn't over heat with the cap off , the thermostat opens fine , when I put the cap on is when it over heats.

The upper radiator hose fills with air and is not letting the thermostat to open
And I had it idling so the air will come out cause I didn't flush the system when I changed my radiator out
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Old 08-31-2013, 09:22 AM   #6
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Once thermostat opens n coolant gets sucked in add fluid while u hold rpms about 1500-2000rpm then put cap on...rev it a few times then turn off...let it cool down then see if still overheating...

---------- Post added at 10:22 AM ---------- Previous post was at 10:22 AM ----------

Is cap new???
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Old 08-31-2013, 09:34 AM   #7
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Once thermostat opens n coolant gets sucked in add fluid while u hold rpms about 1500-2000rpm then put cap on...rev it a few times then turn off...let it cool down then see if still overheating...

---------- Post added at 10:22 AM ---------- Previous post was at 10:22 AM ----------

Is cap new???
New cap , new radiator , new fans , new thermostat , water pump, hoses
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Old 08-31-2013, 09:49 AM   #8
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U should have flushed but anyways put heat on high and try to burp system like I posted....
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Old 08-31-2013, 09:57 AM   #9
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Air in system is most likely it..because a head gasket would overheat it even with the cap off...could b bad or wrong cap...bad water pump n rad would overheat with cap off so not it...is heat in car getting hot???
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Old 08-31-2013, 12:29 PM   #10
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I just went through same prob car would idle all day with cap of and b fine then soon as i caped it it would get hot driving. My rad was prob think it was blocked up down low. I put new rad in and prob went away.
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Old 08-31-2013, 01:10 PM   #11
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Air in system is most likely it..because a head gasket would overheat it even with the cap off...could b bad or wrong cap...bad water pump n rad would overheat with cap off so not it...is heat in car getting hot???
Yea I have heat now but the first few times was cold air
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Old 08-31-2013, 01:17 PM   #12
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What if I took the thermostat out and ran it
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Old 08-31-2013, 03:28 PM   #13
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U need the thermostat
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Old 08-31-2013, 05:59 PM   #14
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Did u burp it the way I described??? And yes u keep thermo in...u already said it was opening so that's not problem...

---------- Post added at 06:59 PM ---------- Previous post was at 06:56 PM ----------

R the fans kicking on???
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Old 08-31-2013, 07:30 PM   #15
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Or its because you have a .060 overbore 302
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Old 08-31-2013, 07:41 PM   #16
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Or its because you have a .060 overbore 302
Yea then fans are kicking on ..

The car ran fine up until I upgraded to a 3 row aluminum rad ....

I just can figured out where the air bubbles are coming from , and yes I flushed it out like you said .....
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Old 08-31-2013, 08:03 PM   #17
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Weird...I'd get a funnel kit to fill the system...it keeps system pressurized so it burps it thru funnel...otherwise throw your old rad back in and see if it still bubbles....
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Old 09-01-2013, 05:25 PM   #18
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Figure anything out bud???
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Old 09-01-2013, 05:30 PM   #19
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Figure anything out bud???
No not yet , I'm gonna switch back to my stock rad on Tuesday and if I still have issues I'm just gonna trailer in to the shop
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Old 09-01-2013, 05:44 PM   #20
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Good luck..
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Old 09-02-2013, 08:27 AM   #21
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I remember someone telling me if you get air to jack up the front end as high as possible bring all bubbles up and out.... Any one correct me if I'm talking out of my *** but I replaced a heater core and that advice was given to me... Maybe worth a shot...
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Old 09-02-2013, 08:31 AM   #22
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Heater cores r fun!!!! Lol everytime I change 1 I end up with atleast 3 extra screws somehow....
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Old 09-02-2013, 10:12 AM   #23
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Heater cores r fun!!!! Lol everytime I change 1 I end up with atleast 3 extra screws somehow....
Are you saying you changed more than one? Are they a problem?
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Old 09-02-2013, 10:54 AM   #24
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Yes changed probably 5of them on foxbody mustangs and other cars as well...
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Old 09-02-2013, 10:54 AM   #25
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Yes changed probably 5of them on foxbody mustangs and other cars as well...
Not the same car tho right?
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Old 09-02-2013, 10:59 AM   #26
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A lot of screws and bolts...gotta take dash out....I take front seats out real quick to b more comfortable and start unbolting...takes 2-4 hrs depends on ur skill...

---------- Post added at 11:58 AM ---------- Previous post was at 11:57 AM ----------

No not same car...

---------- Post added at 11:59 AM ---------- Previous post was at 11:58 AM ----------

I work on cars for extra cash and fun...
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Old 09-02-2013, 01:14 PM   #27
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A lot of screws and bolts...gotta take dash out....I take front seats out real quick to b more comfortable and start unbolting...takes 2-4 hrs depends on ur skill...

---------- Post added at 11:58 AM ---------- Previous post was at 11:57 AM ----------

No not same car...

---------- Post added at 11:59 AM ---------- Previous post was at 11:58 AM ----------

I work on cars for extra cash and fun...
Ya I did it on my 88 coupe. Didn't take long. Took longer waiting for the parts. Same. Took seats out for more room
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Old 09-06-2013, 11:04 AM   #28
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I think I may found the prob ..... I never re torqued my heads down after installing the new heads and dropping the motor in ...... The guy at speed shop told me to pick up this kit that test the coolant for Carbon monoxide from the exhaust which will Indicate a head gasket problem
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