2.0L LSJ Performance Tech 205hp Supercharged SS tuner version. 200 lb-ft of torque.

LSJ Important Warning!

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Old 08-20-2008 | 11:41 PM
  #101  
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hey just checked my the fluid was just below the word Fluid on the tube, and i could see some movement/ trickling??? am i good?
Old 08-20-2008 | 11:45 PM
  #102  
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From: Ar-kan-sas
Originally Posted by ItalianJoe1
Yeah I get that now, I just haven't seen it happen on my car, I dunno. We all make mistakes sometimes.
i agree, you cant know everything right away
Old 08-21-2008 | 12:12 AM
  #103  
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Originally Posted by Diplomat
hey just checked my the fluid was just below the word Fluid on the tube, and i could see some movement/ trickling??? am i good?
yea.
Old 08-21-2008 | 12:40 AM
  #104  
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From: azusa
So i made an in and out run, and suddently my temp started going going up by 2 until it hit 223, then bam, it went back down to 185, i think my pump turned off, then randomly went back on. thank god it did! what is the temp before our cars over heat?
Old 08-21-2008 | 12:41 AM
  #105  
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Originally Posted by Sythen1678
So i made an in and out run, and suddently my temp started going going up by 2 until it hit 223, then bam, it went back down to 185, i think my pump turned off, then randomly went back on. thank god it did! what is the temp before our cars over heat?
Thats your engine coolant temp, different animal. It goes down after 224 because the fans turn on.
Old 08-21-2008 | 12:50 AM
  #106  
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Originally Posted by Sythen1678
So i made an in and out run, and suddently my temp started going going up by 2 until it hit 223, then bam, it went back down to 185, i think my pump turned off, then randomly went back on. thank god it did! what is the temp before our cars over heat?
You don't know what we are talking about.
Old 08-21-2008 | 01:28 AM
  #107  
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From: azusa
I know what your talking about, I'm saying it seamed like my pump went out which made the spike in my normal temperature gauge. Which is definitely related to the pump that were all talking about...
Old 08-21-2008 | 01:31 AM
  #108  
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Originally Posted by Sythen1678
I know what your talking about, I'm saying it seamed like my pump went out which made the spike in my normal temperature gauge. Which is definitely related to the pump that were all talking about...
No, its not. You don't understand what we are talking about now.

Coolant temp is on the dash, what you are saying.

IAT2 doesn't display normally.
Old 08-21-2008 | 01:34 AM
  #109  
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i check mine very week, the fluid is dancing in the little tube...
Old 08-21-2008 | 01:34 AM
  #110  
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From: Socal
Originally Posted by Psykostevo
If you own an LSJ, now is the time to check, and get in the habit of checking your intercooler pump. It has been my recent observation that A LOT of people with 2006 Cobalt SS/SCs are having intercooler pump failure. This is not unique to 2006, as the pump was the same for all years.

You will need to take off the resivoir cap while the car is running (be careful not to burn yourself). If your resivoir is empty, top it off and look. There should be a constant flow. If you don't see a flow, then you are screwed and need to replace it.

The reason this is SUPER important is that if this pump fails, regardless of your mods, you will destroy your motor. It will not take months, weeks, or days to destroy your motor, it can happen in one pull.

Check those pumps and stay cool!
if it wasnt for my aeroforece i would have blown my motor... that damn thing caused me a lot of headachs
Old 08-21-2008 | 01:34 AM
  #111  
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From: azusa
so your saying that the pump that pushes coolant around the system only deals with Iat2's? i just want to make sure that this pump is not the reason that temps on my normal gauge are going up because if my Normal temp goes up im sure my Iat2's will as well...
Old 08-21-2008 | 01:54 AM
  #112  
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From: Socal
Originally Posted by Sythen1678
so your saying that the pump that pushes coolant around the system only deals with Iat2's? i just want to make sure that this pump is not the reason that temps on my normal gauge are going up because if my Normal temp goes up im sure my Iat2's will as well...
engine coolant has nothing to do w/ iat2's
Old 08-21-2008 | 08:16 AM
  #113  
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From: Ar-kan-sas
Originally Posted by Sythen1678
so your saying that the pump that pushes coolant around the system only deals with Iat2's? i just want to make sure that this pump is not the reason that temps on my normal gauge are going up because if my Normal temp goes up im sure my Iat2's will as well...
your engine coolant system (what is displayed on the DIC) is in no way related to your IAT2's. IAT2's are dictated by your IC system alone, which is cooled by a system that in no way runs with the engine coolant
Old 08-21-2008 | 09:22 AM
  #114  
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How i figure it is...

Engine + No Running Coolant = Hotter engine which in turn would make the s/c hotter, then producing high iat2s...

no?
Old 08-21-2008 | 09:47 AM
  #115  
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Nobody has asked so I guess I will, What is the normal difference between IAT1 and IAT2? I know there is a larger difference between cruising and WOT I'm just looking for ball park figures....
Old 08-21-2008 | 09:55 AM
  #116  
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IAT1 air coming in to your CAI (kinda like ambient) although i dont know where the sensor is.

IAT2 air preignition in the manifold
Old 08-21-2008 | 10:01 AM
  #117  
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Originally Posted by rrutter81
IAT2 air preignition in the manifold
Surely a hot ass engine (with no cooling running through it, mind you) would make iat2s higher... I just dont see how it cant?

If engine a is running at 300 degrees, engine b at 500..

The air moving through it will come out at a higher temp... Isnt that just common knowledge?
Old 08-21-2008 | 10:02 AM
  #118  
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Originally Posted by rrutter81
IAT1 air coming in to your CAI (kinda like ambient) although i dont know where the sensor is.

IAT2 air preignition in the manifold

IAT1 is read from the MAF. It's a MAF/IAT combination sensor.
IAT2 is read from the MAP. Bosch calls that one a T-MAP.
Old 08-21-2008 | 10:12 AM
  #119  
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I thought the one they called the t-map was the one on top of the SC, and the one that takes the IAT2 temp is the on near #1 on the intake mani.

edit. reading > me nevermind this post.

Last edited by BlackSS/SC; 08-21-2008 at 10:38 AM.
Old 08-21-2008 | 10:14 AM
  #120  
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Hmm, subscribed.
Old 08-21-2008 | 10:15 AM
  #121  
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OK, I looked on all data. The t-map is the one near #1 and the one on the top is the scip. I don't know why I had to look! I knew that lol. Still sleeping...
Old 08-21-2008 | 10:28 AM
  #122  
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Originally Posted by Omega_5
IAT1 is read from the MAF. It's a MAF/IAT combination sensor.
IAT2 is read from the MAP. Bosch calls that one a T-MAP.
I always thought iat1 was MAF but couldnt see another sensor.

thanks for the info
Old 08-21-2008 | 10:36 AM
  #123  
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IAT1 is read from the MAF, IAT2 is read from the map sensor on the intake manifold also called the t-map.
Old 08-21-2008 | 10:41 AM
  #124  
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Option B test procedure?

also i have heard the redline guys had an issue with the pump were wired reversed polarity and it was causing premature failure
Old 08-21-2008 | 10:41 AM
  #125  
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Originally Posted by rrutter81
I always thought iat1 was MAF but couldnt see another sensor.

thanks for the info
I wasn't sure either, until one day I unplugged my MAF to be sure I was in VE for tuning, and sure enough my IAT1 stopped reading.


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