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09-23-2009, 04:53 PM #1
- Join Date
- Aug 2009
- houston, tx
is 210 a normal idle temp on 07-09 silverados?
isn't that boiling?? mine reaches 210 once warmed up. is that normal?? my 98 chevy is more like 150.
09-23-2009, 07:57 PM #2
Antifreeze and a pressurized cooling system raises the boiling point of water.
Here is a chart of the boiling point for anti-freeze/water mixes.
Add a pressure cap on the radiator and with a 70/30 antifreeze mix the boiling point rises closer to 270.
210 is not a problem. If you want a lower idle temp you could try a 160 or 180 deg tstat.
Be advised that emission equipment is designed to operate at higher temps so a lower temp tstat may cause other symptoms.
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09-23-2009, 08:22 PM #3
210 is the normal operating temp.
09-23-2009, 08:44 PM #4
Yeah i think thats normal for the new trucks. Both my buddies denali and silverado are right at 210 when i drive them about, and there both 07+ so i'd say its normal. And my silverado stays around 180-190 usually.2000 Chevy Silverado 1500 5.3L Z71 - 4x4
09-24-2009, 12:12 AM #5
this is a slight change in subject but how hot is too hot for the transmission?09 Silverado 5.3 LT Crewcab Z71, Rhino Line, Rough Country leveling kit
87 samurai........:jap: haha
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