03-07-2013, 02:39 AM
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#1
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GX Member
Join Date: Feb 2012
Location: California
Posts: 168
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Officially out of ideas.
Replaced my radiator, cap, hoses, coolant tank, thermostat, temp sender/sensor, and throttle body gasket. Car STILL overheats. Any ideas before I take it to a shop and they charge me 60$ just to look at it?
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03-07-2013, 05:22 AM
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#2
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GLS member
Join Date: Aug 2010
Location: indy
Posts: 8,411
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did you bleed the cooling system after changing all those things?
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03-07-2013, 06:51 AM
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#3
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,914
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leaks?
loss of coolant?
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03-07-2013, 07:09 AM
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#4
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Premier V.I.P. Member
Join Date: Dec 2009
Location: New Hampshire
Posts: 1,979
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why do you say it over heats?
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The dumbass that shows up randomly 10 years after selling the car.
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03-07-2013, 07:38 AM
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#5
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GX Member
Join Date: Aug 2012
Location: Bossier City, LA
Posts: 179
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Take that $60 and buy a OBDII reader that can monitor the ECU data stream, specifically the engine temps stream. (I use an el cheapo bluetooth/OBDII adapter, about $30 from Amazon.COM, and a $5 program named Torque on my Android phone.)
See what temps it IS running at.
I don't see water pump on your list ...
RwP
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03-07-2013, 08:11 AM
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#6
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Keepin it Real
Join Date: Nov 2003
Location: Alexandria, VA
Posts: 12,522
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Quote:
Originally Posted by RalphP
I don't see water pump on your list ...
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This.
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2015 Audi SQ5
2000 Alero GLS Coupe - still in the family, but I don't drive it anymore
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03-07-2013, 08:55 AM
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#7
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,530
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Quote:
Originally Posted by RalphP
See what temps it IS running at.
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Is the dash gauge broken?
Quote:
Originally Posted by RalphP
I don't see water pump on your list ...
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03-07-2013, 12:39 PM
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#8
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GLS member
Join Date: Feb 2011
Location: Kansas
Posts: 2,116
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it doesn't matter if the gauge is physically broken, our temp gauge is notorious for reading wrong
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03-07-2013, 01:03 PM
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#9
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Premier V.I.P. Member
Join Date: Dec 2009
Location: New Hampshire
Posts: 1,979
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__________________
The dumbass that shows up randomly 10 years after selling the car.
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03-07-2013, 01:16 PM
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#10
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,914
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Quote:
Originally Posted by a.graham52
why do you say it over heats?
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Yeah, how hot is it getting?
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03-07-2013, 03:37 PM
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#11
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GX Member
Join Date: Feb 2012
Location: California
Posts: 168
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Quote:
Originally Posted by a.graham52
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This link you sent me was perfect, Whenever I drive it on freeway it falls below the middle mar pretty fast, Whenever it is at idle parked or in traffic the needle goes pretty close to the red, thats when I pull over and turn on the heater or anything.
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03-07-2013, 03:38 PM
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#12
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GX Member
Join Date: Feb 2012
Location: California
Posts: 168
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Quote:
Originally Posted by [ion] C2
Yeah, how hot is it getting?
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When parked or driving slow or in traffic it goes almost to the red.
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03-07-2013, 03:38 PM
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#13
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GX Member
Join Date: Feb 2012
Location: California
Posts: 168
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Quote:
Originally Posted by sleepyalero
did you bleed the cooling system after changing all those things?
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Sure did.
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03-07-2013, 03:39 PM
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#14
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GX Member
Join Date: Feb 2012
Location: California
Posts: 168
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Quote:
Originally Posted by [ion] C2
leaks?
loss of coolant?
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No leaks anywhere whatsoever.
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03-07-2013, 03:41 PM
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#15
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GX Member
Join Date: Feb 2012
Location: California
Posts: 168
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Also I did notice the fans work but they never turn on really fast like they're supposed to, to cool it down. Could this be something? I checked the relays for the fans also and they're fine. and yes theyre all connected lol. Also now that I replaced my thermostat my car tends to heat up faster then it did before. Before it would heat to the 1/4 mark by the time I get to work, now It goes to middle mark by the time I get there. Good or bad?
Last edited by DeeJayy : 03-07-2013 at 03:44 PM.
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03-07-2013, 05:25 PM
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#16
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,530
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Obligatory:

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03-07-2013, 05:26 PM
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#17
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GLS member
Join Date: Mar 2008
Location: Baltimore, MD USA
Posts: 5,530
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Quote:
Originally Posted by DeeJayy
Also I did notice the fans work but they never turn on really fast like they're supposed to, to cool it down. Could this be something?
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Can you run +12V directly to the cooling fans for comparison purposes?
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03-07-2013, 09:21 PM
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#18
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GX Member
Join Date: Nov 2011
Location: Long Beach, California
Posts: 31
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Get a fan switch by casper on pfyc.com. This happened to my car also and this helped, but in the end I popped the gasket from faulty fluid level sensor.
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03-07-2013, 09:45 PM
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#19
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Aleromod part owner
Join Date: Nov 2003
Location: Far Northeast Philadelphia, PA
Posts: 18,199
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How's the oil? Sounds like a HG to me. Are you losing coolant?
If not, I agree with water pump.
After all the money to spent, what's another $60
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03-07-2013, 10:58 PM
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#20
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GX Member
Join Date: Aug 2012
Location: Bossier City, LA
Posts: 179
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Quote:
Originally Posted by zzyzzx
Is the dash gauge broken?
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I dunno, I don't trust the accuracy of a gauge that goes "C ---> H" and that's it.
How cold is C, how hot is H, and at what reading IS the car actually overheating?
Better to pull the (more accurate) ECT reading off the ECU.
RwP
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