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full bulletin at NHTSA ↗2008 Dodge Ram 2500 powertrain problems
severe 15 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Among the 6 model years of Dodge Ram 2500 in our records for powertrain problems, this one ranks #3 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles. If the transmission bracket to the transmission case fasteners are removed during servicing, the fasteners (Part Number 06511385A$) are one-time usage. Vehicles built prior to 10/23/2015 requires Service Kit PN 68461214AA; includes Transmission Isolator PN 68264483AA, and Adaptation Bracket 68264479AA and Fastener Service Kit PN 68329056AA Vehicles built after on or after 10/23/2015 will require only the Fastener Service Kit PN 68329056AA. 2. All 3.6L/62TE equipped vehicles. If the vehicle you are repairing has a crack in the flex plate or failed pump bushing inspect and confirm that both (2) dowel pins
full bulletin at NHTSA ↗GEAR MOTOR, Transfer Case The gear motor assembly is shipped in AWD/2WD position. The transfer case needs to be positioned in AWD/2WD position to properly assemble gear motor to T-Case. Please reference Star Online publication S2121000003 for further details. Do not have the transfer case in in another position other than AWD/2WD and rotate the motor to align the bolt holes as this could result in damage to the gear motor.
full bulletin at NHTSA ↗Transfer Case Gear Motor/Actuator Installation Guidelines.
full bulletin at NHTSA ↗This SKU is an Automatic Transmission Oil Cooler Line. The Customer communication requested return of unsold inventory to inspect the hose end fittings. Parts will be inspected for incorrectly threaded fittings causing inability to complete assembly of the oil cooler line to the vehicle.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of 2008 Dodge Ram 2500 trucks report systemic powertrain failures across multiple components. U-joints fail at low mileage (26k miles reported), separating suddenly with little warning—one owner heard banging days before the joint disintegrated, causing steering to lock hard right and forcing a crash; another replaced u-joints three times in four years. Transfer cases crack or explode during normal highway driving (70 mph), and bolts holding the transfer case break repeatedly every 10,000–15,000 miles, making the rear end unstable in turns. Manual transmissions fail to engage gears while towing, particularly at 10k–17k miles, forcing drivers to shut the engine off to get into gear—a diesel technician believed the hydraulic clutch actuation system was at fault. One truck's throttle went wide open uncontrollably when shifting into 4WD. Another rolls forward uncontrollably after cold start, requiring hard braking. The 6.7L diesel exhibits persistent jerking on throttle transitions from 7,000 miles onward, which the dealer and technicians acknowledged as a factory-wide issue affecting all 2008 models. A TIPM failure caused complete loss of power steering, brakes, and engine—extremely dangerous in a truck this heavy. One transmission fire resulted from an improperly fitting dipstick spraying fluid onto the turbo.
Same Dodge Ram 2500 powertrain reports on nearby years: 2005 · 2006
Failure modes owners describe
U-joint failure — driver-side axle
U-joint on driver-side axle separated at low mileage, causing loss of steering control. Consumer heard banging noise days before failure; dealer ignored complaint. Upon separation, axle yoke ears (male and female) stuck together, jamming the spindle and forcing steering hard right.
When: 26,177 miles
Symptoms owners cite: banging noise from front axle days before failure; sudden loss of steering control; steering locked to the right
Repairs/costs cited: Manufacturer's investigator initially claimed failure occurred after crash; owner disputed. Axle u-joint ears found on roadway; repaired at shop.
Recalls/TSBs owners mention: Manufacturer investigator inspected but initially claimed impact damage caused failure, contradicting owner's account of pre-failure noise and control loss.
Manual transmission — clutch/hydraulic failure while towing
Manual transmission repeatedly failed to engage gears while towing, first at 10k miles, again at 17k. Truck would not downshift; owner had to shut off engine to engage transmission. Vehicle rolled forward with clutch depressed. Diesel tech owner believed hydraulic clutch actuation system was the root cause, not just clutch wear.
When: 10,000 and 17,000 miles
Symptoms owners cite: failure to engage lower gears; inability to downshift; vehicle launches forward when clutch depressed; vehicle rolls 10 feet after engaging gear
Repairs/costs cited: Dealer replaced clutch at 17k miles; no mention of hydraulic system inspection or repair.
Transfer case bolts — repetitive breaking
Transfer case mounting bolts broke repeatedly throughout vehicle ownership. Consumer replaced bolts approximately 7 times over the truck's life, with bolts failing every 10,000–15,000 miles. Each time bolts broke, clunking noise occurred and rear end felt unstable in turns. Dealer initially misdiagnosed as loose spare tire.
When: First reported near 22,000 miles; recurring every 10,000–15,000 miles thereafter
Symptoms owners cite: clunking sound from drivetrain; rear end sliding sensation during turns
Repairs/costs cited: Owner replaced bolts multiple times himself; dealer also performed replacements.
TIPM (Total Integrated Power Module) failure
TIPM failed while vehicle was in motion, causing complete loss of engine power, power steering, and power brakes simultaneously. Owner considers this failure mode extremely dangerous in a heavy truck, especially when towing, as the vehicle becomes nearly impossible to steer or brake without power assist. Owner states this is a common failure across Dodge vehicles.
When: Not specified
Symptoms owners cite: loss of engine power; loss of power steering; loss of power brakes
Recalls/TSBs owners mention: Owner criticizes Chrysler-Dodge for poor recall and warranty response to known TIPM failures.
U-joint lockup and transfer case fracture
While decelerating at highway speed, loud abnormal sound emitted and U-joint locked, causing transfer case to fracture without warning. Vehicle towed to independent mechanic but was not repaired due to parts unavailability.
When: 177,000 miles
Symptoms owners cite: loud abnormal noise during deceleration
Repairs/costs cited: Parts for repair were not available from dealer.
Recalls/TSBs owners mention: Manufacturer notified; dealer unable to confirm part availability timeline.
Throttle wide-open condition in 4WD
When shifting to 4-wheel drive and stepping on accelerator, throttle went wide open uncontrollably. Vehicle went sideways on driveway, rolled down culvert, and ended up inverted. Owner downloaded OBD2 data post-accident showing code P0731.
When: Not specified
Symptoms owners cite: throttle went wide open without driver input; loss of throttle control
Codes mentioned: P0731
Repairs/costs cited: Vehicle declared total loss.
Transmission roll-forward after startup
Truck rolls forward approximately 10 feet immediately after starting and shifting into gear, requiring heavy braking to stop. Problem is intermittent, occurs after vehicle sits more than 8 hours, and happens only in first 3–5 minutes after startup. Unaware drivers could easily cause damage or accident.
When: Intermittent, after cold soak periods of 8+ hours
Symptoms owners cite: vehicle rolls forward after shifting into gear on startup; requires hard braking to stop
Diesel engine jerking on throttle transitions
2008 2500 diesel exhibits bad jerking when releasing and reapplying fuel. Problem has persisted since 7,000 miles; dealer replaced turbo, wire harnesses, all sensors, and EGR valve without resolution. Both dealer and diesel technicians acknowledge this is a factory-wide issue affecting all 2008 models.
When: From 7,000 miles through 47,000 miles
Symptoms owners cite: jerking when releasing and reapplying throttle
Repairs/costs cited: Dealer replaced turbo, wire harnesses, all sensors, and EGR valve; problem persisted.
Recalls/TSBs owners mention: Dealer and technicians stated all 2008 models have this issue; acknowledged as factory problem.
Transfer case catastrophic failure
Transfer case exploded while vehicle was traveling at 70 mph. Vehicle safely pulled over with no additional incident. Dealer could not diagnose or explain the failure.
When: 103,000 miles
Symptoms owners cite: transfer case explosion while driving
Recalls/TSBs owners mention: Dealer contacted but provided no diagnosis or explanation.
Transfer case failure at highway speed
Transfer case failed while traveling 70 mph. Vehicle was towed to dealer; failure could not be diagnosed. Manufacturer was contacted.
When: 106,000 miles
Symptoms owners cite: transfer case failure
Repairs/costs cited: Vehicle not repaired; failure could not be diagnosed.
Recalls/TSBs owners mention: Manufacturer contacted but details not provided.
Rear end pinion nut failure
Rear end pinion nut failed with unknown substance leaking from rear axle area. Vehicle was not diagnosed or repaired; manufacturer not notified.
When: 215,990 miles
Symptoms owners cite: unknown substance leaking
Repairs/costs cited: Vehicle not diagnosed or repaired.
U-joint rattle and deterioration
Front-end rattle developed, intermittent with driving. Dealer diagnosed worn universal joint and replaced front axle shaft U-joint.
When: Not specified
Symptoms owners cite: rattle from front end
Repairs/costs cited: Dealer replaced universal joint and front axle shaft.
Transmission fire due to improper dipstick fit
Transmission fluid leaked past improperly fitted dipstick, sprayed onto turbo charger, and ignited. Fire caused significant damage to engine bay.
When: Not specified
Symptoms owners cite: transmission fluid leak; engine fire
Repairs/costs cited: Significant damage from fire; transmission burned.
Synthesized from 15 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Common questions
How serious is the powertrain problem on the 2008 Dodge Ram 2500?
It's a meaningful issue. 15 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Across the 15 complaints that reported odometer mileage, most powertrain failures cluster between 22,150 and 162,000 miles, with the median around 79,950. A quarter of owners report trouble before 22,150; a quarter make it past 162,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $2,500 for powertrain repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to powertrain?
No active recalls currently cover powertrain issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.