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-   Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 (http://www.ramforumz.com/forumdisplay.php?f=83)
-   -   2003 5.7 Hemi TMR Delete (http://www.ramforumz.com/showthread.php?t=117630)

03ram4x4hemi 07-22-2012 02:18 PM

2003 5.7 Hemi TMR Delete
 
This weekend I was looking through another forum and stumbled upon a free mod for 2003 Hemi's. I pasted the info I used, very helpful.

The 03 TMR Delete Mod comes up every now and then and only takes a couple of minutes and is free. So I searched around and found pictures from another forum and have posted the mod here for future reference. This mod can only be done on the 03 model, all the newer trucks need to buy a tuner. This is a no BS mod that cost nothing and works by removing the torque management request coming from the TCM to the PCM. I've had this mod installed on my 03 for a few years with no adverse side effects. If you are concerned it will hurt something then don't do it.

Location of TCM...

http://img440.imageshack.us/img440/3561/dcp7163.jpg

Remove center bolt and pull plug out.

http://img833.imageshack.us/img833/5793/dcp7159.jpg

Remove the red pin holder.

http://img259.imageshack.us/img259/9995/dcp7161.jpg

Pull wire from pin #10 and tape off the end. Put it all back together and test drive!

http://img442.imageshack.us/img442/9295/dcp7162.jpg

This is really very simple to do, locate the Yellow/Dark Green wire (#10) and remove from the plug or simply cut it leaving enough to reconnect if you ever want to. Fold back the ends and cover with heat shrink.




I was on vacation when I did it and drove 600 miles home with the new mod with no problem whatsoever. Previously driving 75mph I was running 1850rpm and with the mod at 75mph I was running 2000rpm. On the drive up without the mod I reset the mpg calculator and it read 13.5mpg and the drive back home I reset it and it read 15.6mpg (not sure if the readings have anything to do with the mod, thats just what the display read) I personally am very pleased with the mod and would recommend every 03 owner to do it.:smileup:

TheSatinPumpkin 07-22-2012 03:28 PM

classic mod right there for your 03'ers.

Cheers for posting.

Nightwalker 07-22-2012 08:37 PM

Thanks man I'll have to do this.thanks for posting this mod.

HemiLonestar 07-22-2012 08:45 PM

Mainly for WOT that's where you really notice it.

Nightwalker 07-22-2012 08:52 PM

Wot is where's my foot stays lol so even better,with truck being so heavy I have to step on it.

03ram4x4hemi 07-23-2012 12:00 PM

Quote:

Originally Posted by HemiLonestar (Post 847979)
Mainly for WOT that's where you really notice it.

^Agreed^ I was actually suprised the "thump" I got going from 1st to 2nd.

hockeyguynick 07-24-2012 07:28 PM

This only work on 03's? And what exactly is the TMR? Sorry, I've been a diesel guy for years, first hemi

HemiLonestar 07-24-2012 10:23 PM

Quote:

Originally Posted by hockeyguynick (Post 849345)
This only work on 03's? And what exactly is the TMR? Sorry, I've been a diesel guy for years, first hemi

It's for 45/545RFE's only with the separate TCM. Disables torque management so that the computer doesn't pull engine power on every shift. A sonnax goes well with this mod.

03ram4x4hemi 07-24-2012 11:04 PM

Im hoping to order a sonnax here pretty quick... We'll see how it turns out!


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