very little heat in a 97 Chevy S-10 V-6

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  #1  
Old 02-05-05, 03:17 PM
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very little heat in a 97 Chevy S-10 V-6

My sons truck gets luke warm heat at best. The temp gauge (on the dash)reads 155-160 max. The fluid level is OK and I replaced the thermastat. I had him run it today for like 20 min's and then pulled the cap off . The coolant read 110 at the cap. There seemed to be no movement of coolant. I asked the parts dealer what the thermastats temp was and he said 195.

Any ideas?

thanks
 
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  #2  
Old 02-06-05, 09:33 AM
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Bump bump bump
 
  #3  
Old 02-06-05, 11:29 AM
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Feel both heater oses... if both are hot, flow through the heater core is good... if one is hot and one is lukewarm, there is a restriction in the heater circuit. At this point, you could try backflushing the core with a garden hose.

Look in the radiator... if the core tubes are growing cauliflowers chances are that it is too late for the heater core...

Do not discount the possibility of a faulty thermostat. These days, new only means "unused".
 

Last edited by mechanic; 02-06-05 at 11:32 AM. Reason: additionl inormation
  #4  
Old 02-07-05, 02:35 AM
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Thanks, I'll give it a shot.
 
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