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OB mechanic question
Posted on 5/2/13 at 8:11 pm
Posted on 5/2/13 at 8:11 pm
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?
Posted on 5/2/13 at 8:12 pm to hugo
Paging greasemonkey.
I'd check the water pump.
I'd check the water pump.
Posted on 5/2/13 at 8:13 pm to hugo
When you changed the radiator did you put any coolant in or straight water?
Posted on 5/2/13 at 8:16 pm to hugo
My old Grand Am leaked from the hole in the water pump and the coils on the passenger side floor
Posted on 5/2/13 at 8:19 pm to hugo
When it has coolant in it, does it overheat fairly quickly or take 30 min or so.
Posted on 5/2/13 at 8:22 pm to hugo
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.
Also make sure the electric fans are coming on. Could be boiling out of the reservoir if not.
Posted on 5/2/13 at 8:23 pm to Soul Gleaux
It took it almost to weeks with coolant. Two days with water.
Posted on 5/2/13 at 8:32 pm to Rayvegas1484
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?
Posted on 5/2/13 at 8:33 pm to hugo
blown head gasket.
eta:
i feel pretty sure i'm right about the 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 5/2/13 at 8:35 pm
Posted on 5/2/13 at 8:43 pm to jorconalx
Low coolant period will cause the heater not to work,no matter how it got out of the system.
Posted on 5/2/13 at 8:45 pm to jorconalx
quote:
blown head gasket
No milky oil or steam coming out of the tailpipe. I don't believe the head gasket is blown.
Posted on 5/2/13 at 8:50 pm to hugo
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
Posted on 5/2/13 at 8:51 pm to jimbeam
Can't remember her name but she the one who wrote that email to her sorority sisters
Posted on 5/2/13 at 8:52 pm to meauxjeaux2
People don't seem to realize tha low/no coolant=no heater.
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