Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Heating

Old Sep 25, 2023 | 04:03 PM
  #41  
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Originally Posted by Doc Olds
I mounted a ScanGauge 2 on my dash in a Daystar Dash Panel over two H3s for years. I have Trans Temp, Coolant Temp, Volts and Intake Air Temp on display. I give them a look when driving after full temp, takes several miles to get there in summer, more in winter. I do look at Trans & Coolant Temp much more often if towing anything or low speed wheeling.

Like Taint said... piece of mind. Maybe, just cool?
where did you get it from? Can you post the link? Plz
 
Old Sep 26, 2023 | 08:31 AM
  #42  
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Originally Posted by NFS
where did you get it from? Can you post the link? Plz
I bought the Scan Gauge2 and Daystar Dash Panel like 13 years + ago, got no idea where. Likely Amazon or Ebay?
ScanGauge2 ScanGauge2

Daystar Dash Panel Daystar Dash Panel

Not mine, but an on the web pic...
 
Old Sep 26, 2023 | 08:38 AM
  #43  
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Originally Posted by Doc Olds
I bought the Scan Gauge2 and Daystar Dash Panel like 13 years + ago, got no idea where. Likely Amazon or Ebay?
ScanGauge2

Daystar Dash Panel

Not mine, but an on the web pic...
I found it on eBay for 125 I bought it I already have the panel. So do you like feed it from under to the obd reader ? And how it stationed there ? Double sided tape?

do you know the command for engine oil temperature? I tried few and still can’t read it
 

Last edited by NFS; Oct 1, 2023 at 06:06 AM.
Old Sep 26, 2023 | 08:57 AM
  #44  
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Originally Posted by NFS
I found it on eBay for 125 I bought it I already have the panel. So do you like feed it from under to the obd reader ? And how it stationed there ? Double sided tape?
Yes, just feed it from the OBDII port, the cord is plenty long. Drill a hole in the DS Panel for the wire to pass. I used Velcro so I could take it out and un plug it easy to possibly scan another vehicle if out of town with and nobody had a scanner. After a while I just threw my scanner in the truck for trips so never needed to pull out the SG2.
 
Old Sep 26, 2023 | 09:17 AM
  #45  
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Originally Posted by Doc Olds
Yes, just feed it from the OBDII port, the cord is plenty long. Drill a hole in the DS Panel for the wire to pass. I used Velcro so I could take it out and un plug it easy to possibly scan another vehicle if out of town with and nobody had a scanner. After a while I just threw my scanner in the truck for trips so never needed to pull out the SG2.
sounds like a plan I will do that once it arrive and update and I am waiting for fan clutch to replace and install the oem fan since everyone is giving me a hard time about the Efan even tho honestly I feel the Efan giving me more air than stock but whatever we will see
 
Old Sep 26, 2023 | 11:43 AM
  #46  
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Originally Posted by NFS
sounds like a plan I will do that once it arrive and update and I am waiting for fan clutch to replace and install the oem fan since everyone is giving me a hard time about the Efan even tho honestly I feel the Efan giving me more air than stock but whatever we will see
I have ran H3s with Efan conversions since Feb 2010, never an issue, complete reliability. In the winter or when under 45-50F, the fan(s) barely comes on, in the summer they get it done. The first one I ran was a PCMofNC for the '07, did what it was supposed to but it was LOUD when it kicked in. My SFAN 4500 for the 09 Alpha has been great, and even at full on, not that loud.

Look at it this way. In 2009 GM went to efans in many of their light trucks and they work just fine.

Good luck and keep us posted.
 
Old Sep 26, 2023 | 11:51 AM
  #47  
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Originally Posted by Doc Olds
I have ran H3s with Efan conversions since Feb 2010, never an issue, complete reliability. In the winter or when under 45-50F, the fan(s) barely comes on, in the summer they get it done. The first one I ran was a PCMofNC for the '07, did what it was supposed to but it was LOUD when it kicked in. My SFAN 4500 for the 09 Alpha has been great, and even at full on, not that loud.

Look at it this way. In 2009 GM went to efans in many of their light trucks and they work just fine.

Good luck and keep us posted.
yes my fan is from my
pcm of nc
i just had a different shroud but it’s their wire harness and all. I am not sure why hummerz keep telling me it’s the fan I can put a leaf infront of my condenser and it would suck it that’s how strong the Efan is. But the question is why it gets hot? I will check transmission temperature and go from there. I replaced the thermostats too but maybe thermostats is faulty? Not sure, the temperature start going up crazy when I turn the ac on. Do you think maybe my condenser is bad?
 
Old Sep 29, 2023 | 05:52 PM
  #48  
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Originally Posted by Doc Olds
I have ran H3s with Efan conversions since Feb 2010, never an issue, complete reliability. In the winter or when under 45-50F, the fan(s) barely comes on, in the summer they get it done. The first one I ran was a PCMofNC for the '07, did what it was supposed to but it was LOUD when it kicked in. My SFAN 4500 for the 09 Alpha has been great, and even at full on, not that loud.

Look at it this way. In 2009 GM went to efans in many of their light trucks and they work just fine.

Good luck and keep us posted.

update : I got the scan gauge I am monitoring transmission fluid, coolant fluid and volt but I want to do oil temperature I tried 2 Commands but it’s not reading it , do you know the command for oil temperature ? As for the transmission tempi am -at 136F is that good ?
 
Old Oct 1, 2023 | 04:56 AM
  #49  
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Originally Posted by Doc Olds
I am using a digitally controlled SuperModulation SFAN 4500 with dual fans that operate in opposite direction (1 is clockwise, the other counter clockwise). Still have the OEM Radiator. Keeps my cam swapped 5.3L at whatever temp I dial it in for. Would easily do the same for the I5s. The controller ramps up CFM based upon demand, at low it is 1500 CFM, when full on 4500 CFM!
What car do you have the fans from? I installed a Chrysler C300. but it seems to me that they do not cope well in the mountains. I'm thinking of installing Spal. they add up to 6700CFM but yours also interested me. I just need to figure out whether it will fit into the I5.
 

Last edited by Disel; Oct 1, 2023 at 08:02 AM.
Old Oct 1, 2023 | 06:05 AM
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Originally Posted by Disel
What car do you have the fans from? I installed a Chrysler C300. but it seems to me that they do not cope well in the mountains. I'm thinking of installing Spal. they add up to 6600CFM but yours also interested me. I just need to figure out whether it will fit into the I5.
i got a fan from pcm of NC but I put the stock back on cus the stock seem to pull more air than the Efan unless you go 4000 and up cfm then you be stronger I got a new thermostats coming today that I am gonna install and see if she still get hot.
 

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