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Dodge Ram transmission reliability

Likes_to_tow
Explorer II
Explorer II
I have an 05 Cummins 5.9 with the 48RE automatic transmission. It has 107K miles and so far absolutely no transmission issues. However I have changed the fluid every 35K miles. How long will this thing last.

I would just be interested in how many miles you have on your 3rd Gen truck with the 48RE and if you had transmission problems at what mileage???
38 REPLIES 38

Cummins12V98
Explorer III
Explorer III
Or look at a pre 16 F650/750.
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

ShinerBock
Explorer
Explorer
A little off topic, but for those who ever wished they would see an Allison behind a Cummins, here you go. Took this pic yesterday at my company's tech rodeo/trade show. I thought I got a side pic, but it didn't save for some reason. These test cells remind me of my days at Cummins.



2014 Ram 2500 6.7L CTD
2016 BMW 2.0L diesel (work and back car)
2023 Jeep Wrangler Rubicon 3.0L Ecodiesel

Highland Ridge Silverstar 378RBS

bucky
Explorer II
Explorer II
mich800 wrote:
bucky wrote:
It's only 3 qts. It's my truck and my money and at 215,000 miles it makes me feel all warm and fuzzy. To each their own.


Changing the oil every week or two would get old with me. This is the first I have heard of someone doing this.


I don't full time. It's only 2 or 3 times a year. 2000 miles in Jan 2018, 6000 miles in May 2018, and shorter fairly close trips like Myrtle Beach etc. Like I said my truck, my money. Oh yeah, my transmission.
Puma 30RKSS

mowingman
Explorer
Explorer
I think I explained/understood this wrong.
I reread the shop ticket. It says "found servos in valve body blew out causing line pressure to drop and causing clutch damage, removed trans. for recondition, replaced all clutches and valve body, replaced converter, road tested for corrected problems"
so that's there story. Anyway, they "own" the transmission now, as far as I am concerned.

Cummins12V98
Explorer III
Explorer III
"I'm a bit surprised that they tore into the transmission as this repair usually ends up throwing a reman in."

I was thinking the same.
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

FishOnOne
Explorer III
Explorer III
mowingman wrote:
Update on my Ram transmission repair. I got the truck back this past Friday. Transmission works smooth as silk. Dealer put in some kind of modulator valve, all new clutches, and new torque converter. My cost was $00.00. I am glad it got fixed now, and not when we were pulling the 5er, 1000 miles from home.
Jeff


Good you got it fixed under warranty.... That's a shame it needed such an early repair.

I'm a bit surprised that they tore into the transmission as this repair usually ends up throwing a reman in.
'12 Ford Super Duty FX4 ELD CC 6.7 PSD 400HP 800ft/lbs "270k Miles"
'16 Sprinter 319MKS "Wide Body"

Grit_dog
Nomad III
Nomad III
bucky wrote:
It's only 3 qts. It's my truck and my money and at 215,000 miles it makes me feel all warm and fuzzy. To each their own.


Yup, takes all types. Wish you lived closer to me. I have all kinds of needed repairs and maintenance I need to do and don't have time for. I could make good use of the extra time on your hands!
2016 Ram 2500, MotorOps.ca EFIlive tuned, 5” turbo back, 6" lift on 37s
2017 Heartland Torque T29 - Sold.
Couple of Arctic Fox TCs - Sold

mowingman
Explorer
Explorer
Update on my Ram transmission repair. I got the truck back this past Friday. Transmission works smooth as silk. Dealer put in some kind of modulator valve, all new clutches, and new torque converter. My cost was $00.00. I am glad it got fixed now, and not when we were pulling the 5er, 1000 miles from home.
Jeff

mich800
Explorer
Explorer
bucky wrote:
It's only 3 qts. It's my truck and my money and at 215,000 miles it makes me feel all warm and fuzzy. To each their own.


Changing the oil every week or two would get old with me. This is the first I have heard of someone doing this.

Cummins12V98
Explorer III
Explorer III
Whatever. Too tired to argue right now.
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD

gsbrockman
Explorer
Explorer
Cummins12V98 wrote:
I agree unless the converter is not locking and trans temps are high all the time.

You DIASGREE as it’s only a “PARTIAL” fluid change. :S
2022 RAM 5500 Tradesman Cab & Chassis, 6.7L CTD & AS69RC, 4.44 ratio, 225/70R19.5 Hankooks, 60 inch C/A, 52+22 gal tanks, Aluminum Wheels, CM SK Series bed w/B&W Turnover Ball. 63,910 miles and 1,124 hours as of December 30th, 2022. (Average MPH = 56.9)

Likes_to_tow
Explorer II
Explorer II
I put the transmission temp gauge in the output line to the cooler, when temps are rising I know it immediately. I know how long and how many times it gets hot. When the torque converter locks I see an immediate drop in temperature. If you are backing up it never locks so this is something to be aware of if you are positioning a trailer in a spot or trying to back uphill in a driveway.

bucky
Explorer II
Explorer II
It's only 3 qts. It's my truck and my money and at 215,000 miles it makes me feel all warm and fuzzy. To each their own.
Puma 30RKSS

Cummins12V98
Explorer III
Explorer III
I agree unless the converter is not locking and trans temps are high all the time.
2015 RAM LongHorn 3500 Dually CrewCab 4X4 CUMMINS/AISIN RearAir 385HP/865TQ 4:10's
37,800# GCVWR "Towing Beast"

"HeavyWeight" B&W RVK3600

2016 MobileSuites 39TKSB3 highly "Elited" In the stable

2007.5 Mobile Suites 36 SB3 29,000# Combined SOLD