Differential Rebuild Thread
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From: Europe
Think I have good news!
Have just had a good phone call, and I have been informed that if you just want to change the gear ratio, he will charge about 300 Euros for the job.
If it is getting more complicated, like adjusting the gear strategies, it is becoming more time consuming and costly, and it will then cost about 500 euros.
Needless to say that my spare TCM is already in the post ;-).
Have just had a good phone call, and I have been informed that if you just want to change the gear ratio, he will charge about 300 Euros for the job.
If it is getting more complicated, like adjusting the gear strategies, it is becoming more time consuming and costly, and it will then cost about 500 euros.
Needless to say that my spare TCM is already in the post ;-).
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Senior Member
Joined: Aug 2011
Posts: 824
Likes: 84
From: Chicagoland
Think I have good news!
Have just had a good phone call, and I have been informed that if you just want to change the gear ratio, he will charge about 300 Euros for the job.
If it is getting more complicated, like adjusting the gear strategies, it is becoming more time consuming and costly, and it will then cost about 500 euros.
Needless to say that my spare TCM is already in the post ;-).
Have just had a good phone call, and I have been informed that if you just want to change the gear ratio, he will charge about 300 Euros for the job.
If it is getting more complicated, like adjusting the gear strategies, it is becoming more time consuming and costly, and it will then cost about 500 euros.
Needless to say that my spare TCM is already in the post ;-).
Wow. That is some really good news
How do I get on this bandwagon?
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From: Europe
@SeanB
Let’s wait and see how it works out, although I have good hopes as he does it not just for the Mercedes cars but also Porsches. I have asked for a mild change in Normal Mode so you still can enjoy the GT qualities of your car, and a more aggressive one in sport mode.I hope to have it back next week for the first tests, he was also willing to adjust the strategies again once I have driven it. I have left the points at where the gearbox shifts now, but that is also adjustable.
@Adam699,
Interesting, I hope you find what need and also someone that has changed his ratio.
Let’s wait and see how it works out, although I have good hopes as he does it not just for the Mercedes cars but also Porsches. I have asked for a mild change in Normal Mode so you still can enjoy the GT qualities of your car, and a more aggressive one in sport mode.I hope to have it back next week for the first tests, he was also willing to adjust the strategies again once I have driven it. I have left the points at where the gearbox shifts now, but that is also adjustable.
@Adam699,
Interesting, I hope you find what need and also someone that has changed his ratio.
Thread Starter
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Senior Member
Joined: Aug 2011
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Likes: 84
From: Chicagoland
@SeanB
Let’s wait and see how it works out, although I have good hopes as he does it not just for the Mercedes cars but also Porsches. I have asked for a mild change in Normal Mode so you still can enjoy the GT qualities of your car, and a more aggressive one in sport mode.I hope to have it back next week for the first tests, he was also willing to adjust the strategies again once I have driven it. I have left the points at where the gearbox shifts now, but that is also adjustable.
@Adam699,
Interesting, I hope you find what need and also someone that has changed his ratio.
Let’s wait and see how it works out, although I have good hopes as he does it not just for the Mercedes cars but also Porsches. I have asked for a mild change in Normal Mode so you still can enjoy the GT qualities of your car, and a more aggressive one in sport mode.I hope to have it back next week for the first tests, he was also willing to adjust the strategies again once I have driven it. I have left the points at where the gearbox shifts now, but that is also adjustable.
@Adam699,
Interesting, I hope you find what need and also someone that has changed his ratio.
PS. Ask him to up the torque limiters so the TCM doesn't signal the ECU to pull that much timing between shifts.
Last edited by adam699; Feb 27, 2012 at 10:32 PM.
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From: Europe
Limiting Torque reduction requests are on the menu of course ;-)
Wouldn't stop yet your try (eventhough i think it will be a tough one, as i wouldn't be surprised if some code is scrambled) let's first see if my tcm can be adjusted.
I'll keep you all updated, and am very exited after searching for so many years it may finally be possible at reasonable prices.
Wouldn't stop yet your try (eventhough i think it will be a tough one, as i wouldn't be surprised if some code is scrambled) let's first see if my tcm can be adjusted.
I'll keep you all updated, and am very exited after searching for so many years it may finally be possible at reasonable prices.
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From: Chicagoland
JUST CAUSE ITS A FORD VCM DOESNT MEEN IT WILL/WILLNOT WORK. iTS THE SOFTWARE THAT DETERMINS COMPATIBILTY.
PINION PRELOAD 25-35NM WORK WELL ON MOST ALL DIFFS. IF YOU TAKE OUT THE OLD/NEW BEARINGS AND RACES YOU CAN MACHINE THEM DOWN TO BECOME "SETUP" BEARINGS FOR PRELOAD. BUT I CAN ALSO TELL YOU THAT IN ALMOST EVERY CASE YOU CAN SETUP WITH THE PREVIOUS FACTORY SHOMS AND YOULL BE RIGHT ON. IMO THAT ITS THE CASE THAT DETERMINES MORE THE SETUP THAN THE NEW GEARS. ALSO TO IDENTIFY A POWER LOCK DIFF YOU LOOK FOR THE COLORED BAR TAG WITH BLACK X'S ON IT. THATS A POWERLOCKER. THE COLORED BARS REFER TO THE GEAR RATIO INSIDE.
nOW IDE LIKE MORE INFO ON FOR SURE ABOUT TCM REFLASH BECAUSE I DONT REMEMBER THIS APP. IDE LIKE TO PUT A SET OF 4.09'S IN MINE AND SWAP IN THE NEW POWER LOCKER I HAVE OUT OF THIS OTHER DIFF SITTING ON THE FLOOR SINCE NO ONE SEEMS TO WANT TO BUY IT
PINION PRELOAD 25-35NM WORK WELL ON MOST ALL DIFFS. IF YOU TAKE OUT THE OLD/NEW BEARINGS AND RACES YOU CAN MACHINE THEM DOWN TO BECOME "SETUP" BEARINGS FOR PRELOAD. BUT I CAN ALSO TELL YOU THAT IN ALMOST EVERY CASE YOU CAN SETUP WITH THE PREVIOUS FACTORY SHOMS AND YOULL BE RIGHT ON. IMO THAT ITS THE CASE THAT DETERMINES MORE THE SETUP THAN THE NEW GEARS. ALSO TO IDENTIFY A POWER LOCK DIFF YOU LOOK FOR THE COLORED BAR TAG WITH BLACK X'S ON IT. THATS A POWERLOCKER. THE COLORED BARS REFER TO THE GEAR RATIO INSIDE.
nOW IDE LIKE MORE INFO ON FOR SURE ABOUT TCM REFLASH BECAUSE I DONT REMEMBER THIS APP. IDE LIKE TO PUT A SET OF 4.09'S IN MINE AND SWAP IN THE NEW POWER LOCKER I HAVE OUT OF THIS OTHER DIFF SITTING ON THE FLOOR SINCE NO ONE SEEMS TO WANT TO BUY IT
Can you give us more info on how to tell the ratios from the colored bars?
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From: Chicagoland
Well, according to the Jag dealership parts dept a Red and Yellow Stripe with a Cross is a locking 3.58 diff. The parts guy said that it's the only color combo he ever seen that actually told him the ratio, so hopefully Brutal will chime in on what the other one's are.
With that said,
Gentleman there is no turning back now. The HU15 Power-Lok with 3.58's is on the way being shipped from a salvage yard.
@Avos I hope your TCM tune works out as now it's a sure thing that I will need it. So far it sounds like the best deal I found. I posted the EEPROM to see if anyone wants to have a stab at it but I'm in no way inclined to try to figure it out myself.
With that said,
Gentleman there is no turning back now. The HU15 Power-Lok with 3.58's is on the way being shipped from a salvage yard.
@Avos I hope your TCM tune works out as now it's a sure thing that I will need it. So far it sounds like the best deal I found. I posted the EEPROM to see if anyone wants to have a stab at it but I'm in no way inclined to try to figure it out myself.
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From: Sunny Southport UK
Differential
+
blue
+
blue/black cross
+
brown
+
brown/black cross
+
orange/black cross
+
red/yellow stripe
+
red/yellow stripe/black cross
+
new
+
Powr-Lok-3.58:1 PART NUMBER JLM11876 (X300)
This info is directly off the JDHT site JDHT
Last edited by Sean B; Feb 29, 2012 at 07:05 AM.
Thread Starter
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Senior Member
Joined: Aug 2011
Posts: 824
Likes: 84
From: Chicagoland
Don't need Brutal -
Differential
+
blue
+
blue/black cross
+
brown
+
brown/black cross
+
orange/black cross
+
red/yellow stripe
+
red/yellow stripe/black cross
+
new
+
Powr-Lok-3.58:1 PART NUMBER JLM11876 (X300)
This info is directly off the JDHT site JDHT
Differential
+
blue
+
blue/black cross
+
brown
+
brown/black cross
+
orange/black cross
+
red/yellow stripe
+
red/yellow stripe/black cross
+
new
+
Powr-Lok-3.58:1 PART NUMBER JLM11876 (X300)
This info is directly off the JDHT site JDHT
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Joined: Apr 2008
Posts: 3,616
Likes: 1,070
From: Europe
blue 4.09:1
blue/black cross Powr-Lok-4.09:1
brown 3.77:1
brown/black cross Powr-Lok-3.77:1
orange/black cross Power-lok 3.27:1
red/yellow stripe 3.58:1
red/yellow stripe/black cross Powr-Lok-3.58:1
This is from the jdhc link given earlier.
Update on TCM tune:
Unit has been received by my tuner, data read, analyzed, modifying starts tomorrow, so that will be the day I hope to hear it will work!
blue/black cross Powr-Lok-4.09:1
brown 3.77:1
brown/black cross Powr-Lok-3.77:1
orange/black cross Power-lok 3.27:1
red/yellow stripe 3.58:1
red/yellow stripe/black cross Powr-Lok-3.58:1
This is from the jdhc link given earlier.
Update on TCM tune:
Unit has been received by my tuner, data read, analyzed, modifying starts tomorrow, so that will be the day I hope to hear it will work!
Thread Starter
|
Senior Member
Joined: Aug 2011
Posts: 824
Likes: 84
From: Chicagoland
blue 4.09:1
blue/black cross Powr-Lok-4.09:1
brown 3.77:1
brown/black cross Powr-Lok-3.77:1
orange/black cross Power-lok 3.27:1
red/yellow stripe 3.58:1
red/yellow stripe/black cross Powr-Lok-3.58:1
This is from the jdhc link given earlier.
Update on TCM tune:
Unit has been received by my tuner, data read, analyzed, modifying starts tomorrow, so that will be the day I hope to hear it will work!
blue/black cross Powr-Lok-4.09:1
brown 3.77:1
brown/black cross Powr-Lok-3.77:1
orange/black cross Power-lok 3.27:1
red/yellow stripe 3.58:1
red/yellow stripe/black cross Powr-Lok-3.58:1
This is from the jdhc link given earlier.
Update on TCM tune:
Unit has been received by my tuner, data read, analyzed, modifying starts tomorrow, so that will be the day I hope to hear it will work!
...and I was thinking I'm getting an aggressive ratio with the 3.58. (comparing to the 3.06) I guess the torque from the SC will make up for it. With gas prices hitting $5 maybe 3.58 won't be too bad on the mileage. Does your guy do ECM tuning too?
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Posts: 3,616
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From: Europe
Can’t wait to call tomorrow, I hope so much that this time it will workout, it will be a huge step forwards. But even if it has worked, I still need to test it in my car, but then it should just be fine tuning.
I was actually thinking to go to a 2.86 or so, as I have power in abundance, and such a ratio would give better fuel consumption as I drive just too much. I may consider it again if the tcm tune will work out. It would also allow a top speed of about 200 mph with the larger tires I have, but admit that I wouldn’t try that on the open road...
For tuning the ECU I work with someone else, he is looking now to disable to speed limiter.
I was actually thinking to go to a 2.86 or so, as I have power in abundance, and such a ratio would give better fuel consumption as I drive just too much. I may consider it again if the tcm tune will work out. It would also allow a top speed of about 200 mph with the larger tires I have, but admit that I wouldn’t try that on the open road...
For tuning the ECU I work with someone else, he is looking now to disable to speed limiter.
a high 3 ratrio 3.70-3.90 is a great street performance gear with overdrive and a 28" tall tire. A 4.10 is really stout and you would litterally be surprised and surpise alot of others on the biggest contest of speed(stop light takeoffs) would be alittle much for everyday highway driver. But for performance and not everyday(or someone not minding the little more fuel used) the 4.10 range would be awesome. I just put 4.56 gears in the front and rear diffs of my Nissan Frontier from 3.36. I wish I had done soooo much sooner, but gears werent avail to do it till recently. I run a 32" tire and there are many great gear ratio calculators online to tell you the rpm, speed tire size etc and change can be made with the click of a mouse.
heres 1 I like to play with gear ratio calculator
heres 1 I like to play with gear ratio calculator
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From: Europe
The TCM is going to be written (that already works!) with a new base setup, and also with some adjustments as requested, it all should workout. Then it will be shipped back to me, where I will do some test driving. We probably have to make some small adjustments afterwards, so we get a good base package for others to use also (although you can always have something changed if you have specific requirements).
Changing gear ratios is no problem at all, that can be either with the stock tune or with the one we are making now. Now I need to wait a couple of days before I have it in my car, can’t wait to see if it all worksout.
Changing gear ratios is no problem at all, that can be either with the stock tune or with the one we are making now. Now I need to wait a couple of days before I have it in my car, can’t wait to see if it all worksout.
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Senior Member
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From: Chicagoland
A bit of a setback.
I get the freight today and this is obviously not a locking diff:
Not a locking diff x300 - YouTube
Back to searching
I get the freight today and this is obviously not a locking diff:
Not a locking diff x300 - YouTube
Back to searching