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04 impala. Overheats while driving
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Sixeightt
New User
Jun 2, 2018, 11:41 AM
Post #1 of 2
(2044 views)
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04 impala. Overheats while driving
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2004 impala 3.8 186,000 miles
I had an overheating issue when my car ran hot few months ago. I replaced the head gasket, water pump, radiator, cooling fans, upper and lower radiator hose, intake manifold, thermostat, coolant temperature sensor. Out of all of that, I'm still having a little issue. It's not overheating anymore but my temperature gauge Rises after maybe 10 to 15 minutes of driving. I have my scan tool hooked up and my coolant temperature is around 217 to 221 degrees Fahrenheit.it use to run around 195-200. My fan kicks on at 220 degrees Fahrenheit so that's probably why it doesn't get any higher but it shouldn't be that high while driving. I can come to a stop and let my car sit idling and within 2 or 3 minutes my car temperature will decrease to 203-205 degrees Fahrenheit and fan speed will become slower. So while idling, it's fine. I attempted bleed air out of the system but there was none. All of my coolant is topped off in my radiator and coolant reservoir. I was using a 50/50 mixture of coolant. So can someone tell me or give me any kind of assistance on why my temperature rises when driving.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jun 2, 2018, 4:24 PM
Post #2 of 2
(2028 views)
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Re: 04 impala. Overheats while driving
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Did you send the heads out to the machine shop for resurfacing and pressure test?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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