OB mechanic question - 5/2/13 | TigerDroppings.com
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hugo
LSU Fan
CenLa
Member since Sep 2007
721 posts

OB mechanic question

I have an '04 Pontiac Grand Prix, 171,000 miles on it. It recently started running hot. Kept putting water in it and finally replaced the radiator. It did good for 2 weeks and ran hot again, was completely put of water. Obviously it is losing water somewhere. Though it could be a blown head gasket. But the oil looks good, not watert. Any recommendations on what to check next?


JAB528
LSU Fan
The Mexican Ocean
Member since Jun 2012
15081 posts

re: OB mechanic question
Paging greasemonkey.

I'd check the water pump.


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bbvdd
Alabama Fan
Memphis, TN
Member since Jun 2009
10000 posts

re: OB mechanic question
Water pump?


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Soul Gleaux
LSU Fan
Baton Rouge
Member since Sep 2012
2618 posts

re: OB mechanic question
When you changed the radiator did you put any coolant in or straight water?


hugo
LSU Fan
CenLa
Member since Sep 2007
721 posts

re: OB mechanic question
coolant


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JAB528
LSU Fan
The Mexican Ocean
Member since Jun 2012
15081 posts

re: OB mechanic question
Or your heater core.


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Hurricane Mike
LSU Fan
Member since Jun 2008
6425 posts

re: OB mechanic question
My old Grand Am leaked from the hole in the water pump and the coils on the passenger side floor


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Soul Gleaux
LSU Fan
Baton Rouge
Member since Sep 2012
2618 posts

re: OB mechanic question
When it has coolant in it, does it overheat fairly quickly or take 30 min or so.


meauxjeaux2
Boise State Fan
watson
Member since Oct 2007
50760 posts
Online

re: OB mechanic question
I've changed out a shite ton of heater cores in those year Grand Prix/ams.
Also make sure the electric fans are coming on. Could be boiling out of the reservoir if not.


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hugo
LSU Fan
CenLa
Member since Sep 2007
721 posts

re: OB mechanic question
It took it almost to weeks with coolant. Two days with water.


Rayvegas1484
LSU Fan
Zebedee
Member since Feb 2010
2406 posts

re: OB mechanic question
Thermostat ?


hugo
LSU Fan
CenLa
Member since Sep 2007
721 posts

re: OB mechanic question
I was thinking all of the above. Also noticed the last few times I had the heater on, it never really got hot. Would the heater core make it loose coolant like that?


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jorconalx
LSU Fan
alexandria
Member since Aug 2011
4242 posts

re: OB mechanic question
blown head gasket.



eta:
quote:

Also noticed the last few times I had the heater on, it never really got hot


i feel pretty sure i'm right about the blown head gasket.
This post was edited on 5/2 at 8:35 pm


meauxjeaux2
Boise State Fan
watson
Member since Oct 2007
50760 posts
Online

re: OB mechanic question
Low coolant period will cause the heater not to work,no matter how it got out of the system.


jimbeam
USA Fan
University of LSU
Member since Oct 2011
37281 posts

re: OB mechanic question
who is your avi?


JAB528
LSU Fan
The Mexican Ocean
Member since Jun 2012
15081 posts

re: OB mechanic question
quote:

blown head gasket


No milky oil or steam coming out of the tailpipe. I don't believe the head gasket is blown.


TurnipWagon
LSU Fan
Member since Jan 2013
60 posts

re: OB mechanic question
Thermostat... The reason it didnt get hot when you had the heater on is the fluid went into the heater core. Change the thermostat, replace coolant, should be good to go


meauxjeaux2
Boise State Fan
watson
Member since Oct 2007
50760 posts
Online

re: OB mechanic question
Can't remember her name but she the one who wrote that email to her sorority sisters


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meauxjeaux2
Boise State Fan
watson
Member since Oct 2007
50760 posts
Online

re: OB mechanic question
Omg


JAB528
LSU Fan
The Mexican Ocean
Member since Jun 2012
15081 posts

re: OB mechanic question
People don't seem to realize tha low/no coolant=no heater.


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