running hot?
#1
running hot?
im sure this subject has been discussed before but i am a little worried so i thought id ask again. My car seems to run hot. is it normal for it to reach the point where the fans kick on(225-230 degrees)everytime im driving around in the city. On the highway,driving above 30mph its fine and runs about 200. Soon as i hit a stop sign or light the temp goes up. Not overheating just running hot. I never had a car that ran like this so i was curious. Is this normal?
#4
im sure this subject has been discussed before but i am a little worried so i thought id ask again. My car seems to run hot. is it normal for it to reach the point where the fans kick on(225-230 degrees)everytime im driving around in the city. On the highway,driving above 30mph its fine and runs about 200. Soon as i hit a stop sign or light the temp goes up. Not overheating just running hot. I never had a car that ran like this so i was curious. Is this normal?
A little history about mine: replaced the radiator two years ago (and all hoses), replaced the WP in Feb07 and AGAIN two weeks ago, new thermostats each time (180's). I could go to 160's but that's not going to solve the "real" problem, if it actually is a problem.
I'm at a loss too, I've replaced many things over the years and now it runs too hot "I" think. I (we) need help before something blows.
Last edited by 1996TA; 08-06-2007 at 05:10 PM.
#6
I ran the stk 180 t stat for years but i also had a JET fan switch which turns on both fans @200 and cuts the temp back to 185.I eventually went to a 160(don,t drive vehicle in winter) and this year i had my pcm tuned for the 160 so i don,t need the fan switch anymore and am selling it for 50.00,and i am inc. an adapter(this makes installing easier).Let me know if your interested.
#7
I ran the stk 180 t stat for years but i also had a JET fan switch which turns on both fans @200 and cuts the temp back to 185.I eventually went to a 160(don,t drive vehicle in winter) and this year i had my pcm tuned for the 160 so i don,t need the fan switch anymore and am selling it for 50.00,and i am inc. an adapter(this makes installing easier).Let me know if your interested.
I just took a 10 minute trip to the gym (stop and go traffic) and when I was parking the temp was about 230.
FWIW this is what I've replaced in the ~3 years (cooling system wise): Water Pump (twice..THIS YEAR), Radiator, Cap, Thermostat (twice), all hoses, flushed fluids twice and bleed the system like mad man to make sure there's no air. I will check to see if my fans are working when they should, I need to check the gauge and sensor output, but that's all I can think of. My last resort is to change the stat and like you, tune the PCM for the fans to turn on sooner. Other than that, I'm out of ideas.
#8
A 160 T-stat will help keep your car cooler on the highway, but in the city, you'll still heat up just the same as with the stock 180. To really get the benefit, you should get your PCM programmed to turn the fans on earlier for the 160 T-stat. The 160 T-stat alone will not solve your problem.
My car will still heat up in the city, but the re-programming keeps the temp under 210 (what the gauge shows) at all time. I do remember before the re-programming, that my car would get hot rather quickly. I've heard that was normal from other folks with LT1s.
Maybe check to see if all your fans are functional.
If so, get the 160 and have someone program your PCM to kick in sooner.
My car will still heat up in the city, but the re-programming keeps the temp under 210 (what the gauge shows) at all time. I do remember before the re-programming, that my car would get hot rather quickly. I've heard that was normal from other folks with LT1s.
Maybe check to see if all your fans are functional.
If so, get the 160 and have someone program your PCM to kick in sooner.
#9
I've learned that these cars run hot as hell in the summer time. Years ago I would go back and fourth to the dealer trying to figure out why the car ran hotter than I liked it to. Best thing I ever did was install a manual fan switch. 14 bucks.
#10
i know that when i feel my car is running too hot for my taste,i just kick on the a/c or the vents for outside air and the fans come on and cool it down. But the drawback is that i have an audio system that draws tons of power so when the a/c or vents are on it drains alot of power.
#12
im sure this subject has been discussed before but i am a little worried so i thought id ask again. My car seems to run hot. is it normal for it to reach the point where the fans kick on(225-230 degrees)everytime im driving around in the city. On the highway,driving above 30mph its fine and runs about 200. Soon as i hit a stop sign or light the temp goes up. Not overheating just running hot. I never had a car that ran like this so i was curious. Is this normal?
Even only installling a 160° thermostat, your engine will stay cooler when you are cruising. Then, when you stop in traffic, the engine will be at a lower temp and take a longer time to reach the temps you see now. When you get moving again it will cool down to where it was before you stopped. As already stated, this does not keep you from seeing the same temps you see now when stopped in traffic for a long time. Altering the fan ON temps along with the 160° thermostat is your best bet to keep it cooler overall.
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