I'd be just fine with the 210F. It's when it's inching up towards 230F that I get a little uneasy.
As usual all good info. Thanks much, ready for summer. 
Coolant Temp ???
Thread Starter
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Joined: Sep 2005
Posts: 74
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From: Central Jersey
Coolant Temp ???
Typically I see my temp running in the 180's, but twice in the last month I sat in traffic and saw the temp get up to 210. The outside air temp was in the 40's so I opened the windows and tunred up the heat to lower the coolant temp.
What should I be seeing as a normal high temp in these conditions?
I think I may be looking at a sticky thermostat.. Comments?
What should I be seeing as a normal high temp in these conditions?
I think I may be looking at a sticky thermostat.. Comments?
Pro
Joined: Jan 2007
Posts: 553
Likes: 0
From: Cape Coral Florida
its normal do a search you will see the c5 fans turn on at around 220 and the second 240 so double check your radiator make sure no sand leaves or trash in it. blow it out with a air hose. turning on your ac at long traffic lights will cool it down because it turns on the fans. or put in a 180 t-stat and have the computer reprogramed so the fans will turn on sooner. or theres a plug in gismo that will turn them on or put in a bypass switch or drive fast 
ps nice car sweet color
ps nice car sweet color
Tech Contributor
Joined: Dec 2003
Posts: 19,384
Likes: 87
From: Horncastle Lincolnshire, England
2023 C5 of the Year Finalist - Unmodified
Typically I see my temp running in the 180's, but twice in the last month I sat in traffic and saw the temp get up to 210. The outside air temp was in the 40's so I opened the windows and tunred up the heat to lower the coolant temp.
What should I be seeing as a normal high temp in these conditions?
I think I may be looking at a sticky thermostat.. Comments?
What should I be seeing as a normal high temp in these conditions?
I think I may be looking at a sticky thermostat.. Comments?
When I lived in Vegas, I used to see temperatures in the 190 range and 215 plus kicking in the fans when stationary.
Team Owner
Joined: Jul 2006
Posts: 22,141
Likes: 4,156
From: Kannapolis NC
Sounds like you're trying too hard to find a problem, you're operating lower than most and certainly well within normal range. Clean out your radiator from debris occasionally and breathe easier.
Burning Brakes
Joined: Oct 2003
Posts: 1,106
Likes: 1
From: Foresters Falls(near Ottawa) Ont
Typically I see my temp running in the 180's, but twice in the last month I sat in traffic and saw the temp get up to 210. The outside air temp was in the 40's so I opened the windows and tunred up the heat to lower the coolant temp.
What should I be seeing as a normal high temp in these conditions?
I think I may be looking at a sticky thermostat.. Comments?
What should I be seeing as a normal high temp in these conditions?
I think I may be looking at a sticky thermostat.. Comments?
RonJ ...
Le Mans Master
Joined: Oct 2001
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From: Land of Sky Blue Waters
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