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2008 Chevrolet Optra OVERHEATING

Tiny
PSNATHAN
  • MEMBER
  • 2008 CHEVROLET OPTRA
  • 70 MILES
WHEN A/C ON TEMPERATURE GAUGE SHOWING OVERHEAT RADIATOR RECLEANED THERMOSTAT REPLACED STILL THE SAME PROBLEM WITHOUT A/C TEMPARATURE GAUGE WAS NORMAL. WHEN WE ON THE A/C QUICLY GAUGE IS GOING UP

CAN I KNOW WHAT WE HAVE TO DO PLEASE
Saturday, July 20th, 2013 AT 7:54 AM

7 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You can't "clean" a radiator. If it has internal clogging, replacing the radiator is the only way to resolve it.

Also make sure the cooling fan is coming on. It should be on whenever the AC is on.
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Saturday, July 20th, 2013 AT 8:06 AM
Tiny
PSNATHAN
  • MEMBER
  • 4 POSTS
Radiator there is no any problem but we have cleaned and washed, cooling fan working also.
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Saturday, July 20th, 2013 AT 8:13 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
OK, good luck with it then.
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Saturday, July 20th, 2013 AT 8:18 AM
Tiny
PSNATHAN
  • MEMBER
  • 4 POSTS
Hello sir but my vehicle same problem its showing overheat give me a solution please

thanks
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Saturday, July 20th, 2013 AT 8:26 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
I already advised you that the radiator can't be cleaned but you want to debate that so I have nothing else to offer.
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Saturday, July 20th, 2013 AT 8:30 AM
Tiny
PSNATHAN
  • MEMBER
  • 4 POSTS
Hi Sir As You Told Today We have replaced a new Radiator, Sensor Replaced, Thermostat also replaced. Cooling Fan Working. But Still When On the A/C Temparature Gauge Showing Heat.

Please Sir Give me a solution for me please please.

Thanks.
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Saturday, July 20th, 2013 AT 4:06 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You may have already done serious internal damage to the head or head gasket caused by previous overheating. You should get it chemical tested for exhaust gases in the coolant.
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Saturday, July 20th, 2013 AT 4:10 PM

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