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2005 Dually, Automatic, 2wd. Can I run a exhaust brake?

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I am helping a friend of mine that has a real nice 2005 dually. He tows a 40ft, 16,000lb fiver. I just put front brakes and rotors on it at 52,000mi. I thought I read here that the '05 and earlier third gen STOCK automatics weren't a good candidate for an exhaust brake. Am I right? He really needs more deceleration help. I thought that the thrust bearings on the earlier autos weren't up to the task.

I have a Pac PRXB on my '07, G56 and it is sweet.
 
You are correct. He cannot use an exhaust brake without modification to ensure the torque converter remains locked. Cummins/Jacobs engineers did extensive testing back in 2003, 2004, and 2005 before certifying the 48RE for an exhaust brake beginnng with the '06 Rams.

However, lots of folks have used aftermarket products and installed an exhaust brake without dealing with the reverse thrust issue. I can't say whether is would be a good plan or not. Personally, I would absolutely not pull a heavy trailer like your friend is doing without an exhaust brake.
 
Harvey, His truck has the tow/haul mode that seems to keep the converter locked on decell. I was wondering about the internal thrust bearing issues.
I too wouldn't tow that beast without an exhaust brake. One of his front rotors had a heat crack completely through the outer side of the rotor.
 
The late 04 and 05 48RE don't have issues with the thrust bearings, that was fixed.



The factory EB was not certified for the 05 due to the inability of the ECU to handle the programs needed to make sure the TC locked\unlocked and downshifted correctly with the factory EB. That is the ONLY reason.



Adding any EB that can use an external controller will work just fine. However, I would HIGHLY recommend some minmal transmission work to help hold the brake, and considering the size of that monster, a good billet cover TC.



Eventually the stock trans is not going to like the weight and rather than dying on the road fix it first. Really, a $1000 in upgrades would make a huge difference, add another couple hundred for a top line TC and its super good. ;)
 
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Is there any way the 2004 can have the the thrust bearings fixed so the exhaust

brake can be used? And can the ECU be up graded? or just replaced?

---------------

2004 not . 5, 1 ton pulling a allpinelite at 10000 lbs, only 65000 miles runs great,

David
 
Is there any way the 2004 can have the the thrust bearings fixed so the exhaust

brake can be used? And can the ECU be up graded? or just replaced?



Yes, all the internal transmission potential issues can be addressed.



No, the ECU is not capable but there are aftermarket controllers that are very capable of controlling the EB, trans, and lockup.
 
The late 04 and 05 48RE don't have issues with the thrust bearings, that was fixed.

The factory EB was not certified for the 05 due to the inability of the ECU to handle the programs needed to make sure the TC locked\unlocked and downshifted correctly with the factory EB. That is the ONLY reason.

Adding any EB that can use an external controller will work just fine. However, I would HIGHLY recommend some minmal transmission work to help hold the brake, and considering the size of that monster, a good billet cover TC.

Eventually the stock trans is not going to like the weight and rather than dying on the road fix it first. Really, a $1000 in upgrades would make a huge difference, add another couple hundred for a top line TC and its super good. ;)

What you have posted above is the opposite of what Carlton Bale, a Cummins/Jacobs engineer was posting in a long running thread several years ago. HE was the engineer directly involved, may have been the lead engineer, with testing the Dodge trucks with 48RE transmissions beginning with the '03 and carrying on through model years '04, '05, and '06. What he reported in the TDR website thread was initially, the '03 ECM did not have sufficient memory capacity to do what was required then that was improved, perhaps during or after '04 but then they learned that use of the exhaust brake for deceleration would cause early failure of a reverse thrust bushing in the 48RE during MY '04 and '05. All the shortcomings were finally ironed out and Dodge approved use of the exhaust brake with the 48RE for the first time for model year '06. Dodge offered the Jacobs exhaust brake as factory equipment for MY '06.

Cerberusiam, you are entitled to your own opinions but not your own facts. Facts are facts and are recorded here.

Anyone who really wants the correct answer can go back in the TDR archives and follow that old thread that ran from sometime during '03 through '05 and perhaps into '06. It was started because Cummins/Jacobs engineers told us during the big TDR/Cummins rally in summer of 2002 as the new HPCR engine and the '03/Gen III Ram was introduced that they believed the 48RE installed in '03 Rams would be approved for use of an exhaust brake and they were hoping to announce that approval soon.

Testing proved they could not so Carlton Bale ran that thread to keep TDR members updated on development for several years until he could announce that finally testing was completed and the EB would be approved for MY '06. I purchased one of the first '06 Rams with 48RE and Jacobs Exhaust Brake.
 
What you have posted above is the opposite of what Carlton Bale, a Cummins/Jacobs engineer was posting in a long running thread several years ago.



Cerberusiam, you are entitled to your own opinions but not your own facts. Facts are facts and are recorded here.



Harvey, take off the rose colored glasses when you read. :-laf AGAIN you partially read one or 2 postings, draw the wrong conclusions, and mis-represent YOUR assumptions as fact.



I hate to burst your bubble but the late 04 and 05 units I have had apart have a thrust washer that is perfectly capable of handling reverse thrust. Where you found anything that says definitively they do NOT is wrong.



Even IF they had the older style washer in no place or so many words does Carlton EVER say the transmission will fail becuase of said washer. He clearly stated the POTENTIAL for failure was there on the test truck but NOT with any certainty when and if it would fail in normal use. They ran those trucks up and down grades and put the equivalent of 10 years use on the EB in a space of weeks, pretty sure the control group and placebo wasn't ther ein the test. :-laf



As for the 04. 5-05 Carlton clearly stated the reason Dodge would not certify it was because they could not absolutely guarantee the transmission downshifts and lockup would work correctly all the time becuase of the inability of the current programs to handle ALL the required programs. They NEVER released an upgraded program because it was NOT in their BEST INTEREST. Dodge is in the business of selling trucks so of course their recs will reflect that.



What Dodge does and does not authorize for use under warranty is frequently no problem to accomplish and use in the real world. Same as programmers, Dodge won't warranty the use of them but they are a bona fide add on that used correctly enhances the vehicle.



I clearly stated that the ECU's were not capable and an aftermarket controller would need to be used plus some upgrades would be a good idea. Its not an opinion its FACT becuase BD, PB, and ATS all have controllers that work quite well on an 05 and contrary to your opinions they don't self destruct at the slightest use.



Instead of regurgitating your misinterpretations of one or two high points of a thread why don't you post some of these facts your so big on talking about. Let's see some FACTUAL studies with real controls and parameters that definitively proves that after xxx miles and using an EB xxxxx hours towing xxxxx weight these transmissions will self destruct and fail because the thrust washer fails, the ECU doesn't lock the TC correctly, etc, etc, etc.



What DOES exists is 10 years of experience that says an ED does work fine IF certain things are addressed. Believe what you want but your opinions are no more persuasive than any other argument without something to back it up.
 
I remember the thrust washer thing being a big surprise to the countless number of guys out there running EB's on their 2nd gen 47re's without any problems. I also remember Dodge did not officially OK EB use until the 06 model year.
 
I trust the opinions of of Jacobs/Cummins/Dodge engineers who performed hundreds of thousands of miles of real world testing and are the folks who actually have to back their opinions with warranty repairs a lot more than some automatic transmission rebuilder who sells and installs aftermarket parts and has a conflict of interest when he posts his opinions. It has been demonstrated many times that aftermarket parts vendors will not pay for damage to the trucks after use of their parts.

I posted Carlton Bale's original long running thread. TDR members can decide for themselves who to believe.
 
harvey i can not believe you bought a truck with a automatic. i always thought you knew what you were doing. anyway it is nice to find something to argue with you about. it has always been my opinion that a person had to have dung for brains to own a auto
 
harvey i can not believe you bought a truck with a automatic. i always thought you knew what you were doing. anyway it is nice to find something to argue with you about. it has always been my opinion that a person had to have dung for brains to own a auto



You realize you just insulted about half the TDR membership?
 
Dung for brains huh? Perhaps, but I don't have dual mass flywheel failures or clutch failures and enjoy much better ratios than the G-56 manual offers.

I've had two with automatics. I particularly like the Aisin six speed in my current truck.
 
harvey i can not believe you bought a truck with a automatic. i always thought you knew what you were doing. anyway it is nice to find something to argue with you about. it has always been my opinion that a person had to have dung for brains to own a auto



Some people like me needed an automatic because I was injured. That didn't make me a DUNG HEAD. I now own a stick



Guys like me and Harvey have been on this site alot longer than you have and we tend to stick to the facts about our trucks.



SO just because you choose a stick doesn't mean you have ALL the right answers.



Lets ALL keep our TOPICS and OPINIONS to a POSITIVE constructive manner.



(I feel better now ;))
 
I trust the opinions of of Jacobs/Cummins/Dodge engineers who performed hundreds of thousands of miles of real world testing



Good, then you will be happy to know Cummins certified the MY05 trucks as capable for the Jacobs Exhaust Brake. Makes me wonder what your agenda is by stirring the pot with blatant misinformation since the OPspecifically asked about an 05. :confused:



I remember the thrust washer thing being a big surprise to the countless number of guys out there running EB's on their 2nd gen 47re's without any problems. I also remember Dodge did not officially OK EB use until the 06 model year.



Thats because the 47RE's didn't have the "killer" thrust washer issue, only the early 48RE's. One day delaers were installing EB's with warranty, the next they were told to cease and desist. There wasn't a rash of failures or law suits, it was an executive decision to stop offering warranty on anything except the 06's.
 
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