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Overheating

Tiny
CHARLES MOBLEY
  • MEMBER
  • 2002 OLDSMOBILE ALERO
  • 3.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Things I have done: changed thermostat, flushed heater core, flushed radiator, bled system each time. Within a mile it will run hot and boil out the reservoir.
Saturday, February 24th, 2018 AT 4:18 PM

7 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So is your radiator fan coming on when it is running hot? If the fan is running is it blowing out cold air?
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Sunday, February 25th, 2018 AT 8:53 AM
Tiny
CHARLES MOBLEY
  • MEMBER
  • 4 POSTS
Radiator fans come on. Yes. When everything is hot and I open the bleeder value only steam comes out.
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Sunday, February 25th, 2018 AT 2:12 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So when the radiator fan come on is it blowing out cold air?From what your saying it sounds like there is air in the cooling systeM.I wouldn't be opening the bleeder screw when it's hot.
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Sunday, February 25th, 2018 AT 10:46 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Please follow the filling procedure I posted the bleeder screw stays open while filling. When a steady stream of coolant comes out of the bleeder screw close it. Then finish filling the cooling system.
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Sunday, February 25th, 2018 AT 10:54 PM
Tiny
CHARLES MOBLEY
  • MEMBER
  • 4 POSTS
Okay, did that and it still runs hot and push coolant out of the reservoir.
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Monday, February 26th, 2018 AT 3:43 PM
Tiny
CHARLES MOBLEY
  • MEMBER
  • 4 POSTS
Fixed my over heating problem, replaced reservoir and cap.
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Tuesday, February 27th, 2018 AT 3:25 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Nice work, we are here to help, please use 2CarPros anytime.

Cheers, Ken
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Friday, March 2nd, 2018 AT 11:25 AM

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