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Defining "Normal Temps"

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Old 14 Jun 2021, 07:47 pm
Macgyverman1123's Avatar
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Join Date: Nov 2017
Location: Raleigh, N.C.
Posts: 354
Default Defining "Normal Temps"

I've been wondering for a while now what everyone's "Normal" temps are, because I'm getting suspicious that mine are high.

Not so much looking to diagnose a problem, I'm more curious than anything.

Background on the car: '02LE NA 41TE, 195k
Full coolant flush, new hoses and pump at 177k, 50/50 HOAT.
aftermarket radiator installed before I owned it

I have an hour drive home in heavy traffic at a variety of speeds. Today was a pretty hot day, around 90-91, so I decided to run home with the scan tool attached to benchmark temps. Scan tool pulls temp off the coolant temp sensor just under the thermostat. Car has a factory spec 195 degree thermostat. My average was a shocking 210-212, which blew my mind, even with the AC running! When stopped, cooling fan was cycling between hi and low with the compressor, coolant temp dropped to around 207-208. When in moving traffic, around 50 mph or so, as low as 35 mph, up to 70 mph (When the state trooper ain't lookin') coolant would climb to 210-214, and spiked to 217-218 under heavy acceleration.

So my question, given the very hot day and AC on full blast, am I running hot, or is this kinda the normal? Cooling fan was switching between hi and low, depending on the vehicle speed, as it should. The coolant is full and very clean, only around 20k on it. Time for a new radiator?

note: This whole time, the coolant gauge stayed perfectly in the middle, never any higher or lower, even though my scan tool read me data ranging from 206-218.
-John P.
Go Canes! #TakeWarning

Last edited by Macgyverman1123; 14 Jun 2021 at 07:49 pm.
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Old 15 Jun 2021, 05:55 pm
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Join Date: Jul 2016
Location: east central wisconsin
Posts: 274
Default Re: Defining "Normal Temps"

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Old 15 Jun 2021, 08:14 pm
rcktpwrd's Avatar
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Join Date: Jan 2011
Location: Raleigh, NC
Posts: 1,939
Cool Re: Defining "Normal Temps"

I would say that all sounds pretty normal.

2001 PT Cruiser 5-speed; 1976 Oldsmobile Cutlass S; 1990 Chevy 454SS; 1995 Caprice Classic woody
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