Cummins Equipped Vehicles ONLY - The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only.
full bulletin at NHTSA ↗2005 Dodge Ram 2500 engine problems
severe 17 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Among the 5 model years of Dodge Ram 2500 in our records for engine problems, this one ranks #3 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Service - Four Piece Oil Pan Gasket All Cummins Equipped Vehicles ONLY - The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only. Installation: 1. Clean the oil pan T-joints.~ 2. Fill the T-joint between the pan rail/gear housing and pan rail/rear seal retainer with sealant. Use Mopar® Silicone Rubber Adhesive Sealant or equivalent. 3. Apply a 2-mm [0.063-in] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the oil pan flange.~ 4. The four piece gasket will need to be assembled to make a complete oil pan gasket. 5. Lay the oil pan gasket(s) onto the oil pan flange.~ 6. Ensure the oil pan gask
full bulletin at NHTSA ↗Valve Body. These may cause over drive cycling.
full bulletin at NHTSA ↗NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA).~
full bulletin at NHTSA ↗Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-EGR application. Unless, the EGR Block-Off Plate is being transferred from the old engine.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of 2005 Dodge Ram 2500s report widespread engine failures across multiple failure modes. Excessive engine vibration from a defective flywheel bearing causes secondary cascading failures: radiators get cracked when the fan shifts into them, exhaust pipes fracture, and U-joints fail repeatedly. Serpentine belts and tensioners wear out prematurely—one owner replaced both four times by 120,000 miles. High-pressure diesel fuel injection lines loosen at low mileage, causing fuel leaks that led to at least one highway crash.
Engine stalling is common and dangerous: it occurs during braking (losing power steering and brakes), during transmission shifts, or unpredictably regardless of driving conditions. Some owners with Hemi engines report stalling from new with under 4,000 miles.
Fuel injector failures cause piston burn damage and catastrophic engine failure; one owner paid $15,000 for an independent engine replacement after the manufacturer refused further warranty help. Oil pans rust through at the seams, risking fire and engine seizure. Two separate owners report engine fires—one while driving, one while parked. Exhaust manifolds overheat and twist at moderate speeds, fracturing bolts. Valve train noise from Hemi engines persists even after Dodge warranty head replacement. Dealers often cannot identify root causes and deny warranty coverage without clear explanations.
Same Dodge Ram 2500 engine reports on nearby years: 2006 · 2007 · 2008
Failure modes owners describe
Flywheel bearing failure and excessive engine vibration
Defective flywheel bearing causes slack and excessive vibration throughout the engine. Vibration propagates through mounts and bolts, causing secondary failures including cooling fan shift into radiator, cracked bell housing, and exhaust pipe fracture. Serpentine belt and tensioner pulley fail prematurely—owner replaced both approximately every 30,000 miles.
When: Throughout ownership from 2005 purchase; secondary failures noted after extended vibration period
Symptoms owners cite: Excessive vibration from engine; Premature serpentine belt fraying/failure; Tensioner pulley wear; Cooling fan blade breakage; Radiator damage from fan contact; Bell housing crack (5 inches); Exhaust pipe fracture; U-joint repeated failure
Repairs/costs cited: Flywheel replaced, clutch replaced, throw-out bearing replaced. Radiator, fan assembly, and fan replaced. U-joints replaced multiple times. Chrysler covered serpentine belt and tensioner pulley replacement once, then denied further coverage as normal wear.
Recalls/TSBs owners mention: Chrysler initially agreed to pay for one serpentine belt and pulley replacement, acknowledging something was wrong. Later denied all subsequent failures as normal wear and tear.
High-pressure diesel fuel injection line failure
High-pressure fuel injection line clamp loosens, causing fuel leak. Leak manifests as black smoke from rear of vehicle and diesel fumes. Failure occurs at low mileage (approximately 23,679 miles). Vehicle swerved and crashed while owner attempted to switch lanes at highway speed.
When: 23,679 miles; failure mileage 25,000
Symptoms owners cite: Black smoke from rear of vehicle; Diesel fuel smell; Fuel leak from high-pressure injection line; Loose clamp on fuel line
Repairs/costs cited: Line clamp needed tightening/repair. Dealer refused repair citing legal proceedings following crash.
Recalls/TSBs owners mention: Manufacturer investigator took pictures but did not explain cause, blamed weather. Stated no mechanical defect existed and part was under warranty for repair. Dealer refused to repair due to legal proceedings.
Engine stalling with check engine light
Engine stalls without warning, preceded by sputtering. Check engine light illuminates. Stalling occurs unpredictably regardless of driving conditions, including after leaving gas station. Vehicle has been in shop multiple times for same problem. Dealer initially blamed computer and made adjustments; new computer installed but did not resolve issue. After computer replacement, truck will not run at all.
When: Multiple shop visits over extended period
Symptoms owners cite: Check engine light illumination; Engine sputtering; Engine stalling at any driving condition; Sudden engine shutdown after computer replacement
Repairs/costs cited: Computer adjustments attempted; new computer ordered and installed. Problem persisted; truck non-running after new computer installation. Dealership unable to estimate repair time.
Engine stalling during braking
Engine stalls when driver applies brakes, killing power steering and power brakes simultaneously. Creates serious safety hazard in large vehicle, especially on ice. Repeated dealer visits have not resolved issue. Technicians cannot identify root cause and admit uncertainty. Owner has nearly caused accidents (rear-end collision, near pedestrian collision).
When: Recurring over multiple dealer visits
Symptoms owners cite: Engine stalls when brakes applied; Loss of power steering; Loss of power brakes; Difficulty stopping vehicle
Repairs/costs cited: Multiple dealer visits with unspecified repairs; problem recurs after each visit. Dealers state they do not know actual cause.
Intercooler plastic end cap failure
Intercooler with plastic end caps fails at low mileage (20,500 miles). 2005 model year was unique in using plastic end caps; replacement intercoolers use welded aluminum. Dealer mechanic reported seeing this same problem on other stock vehicles but refused warranty repair citing aftermarket parts on this particular vehicle.
When: 20,500 miles
Symptoms owners cite: Intercooler failure
Repairs/costs cited: Owner chose to install replacement intercooler (welded aluminum type) himself. Replacement cost not specified.
Recalls/TSBs owners mention: Chrysler denied warranty coverage citing aftermarket parts and prohibited owner from seeking second opinion at another dealer.
Oil pan rust-through
Oil pan develops rust perforation at bottom rear right corner, allowing oil to seep out. Perforation size described as silver dollar to quarter sized. Rust bubbles found throughout exterior of oil pan under paint. Risk of fire from oil contact with exhaust system, turbo/engine damage from oil loss, or engine seizure from lost oil pressure.
When: Early in ownership (mileage not stated)
Symptoms owners cite: Oil seeping from bottom of pan; Visible rust-through hole in pan; Rust bubbles on exterior pan surface
Repairs/costs cited: Oil pan replacement cost quoted at over $1,400. Owner caught leak early by noticing oil puddle.
Fuel injector failure causing piston damage and engine failure
Fuel injectors burn pistons without warning, causing catastrophic engine damage. Failure recurs multiple times. Engine replaced under warranty twice at dealers; failure recurred again and engine completely failed. Owner paid independent mechanic $15,000 for engine replacement after manufacturer refused further assistance.
When: Failure mileage 60,000
Symptoms owners cite: Piston burn damage; Engine failure; Complete engine failure after injector replacement
Repairs/costs cited: Injectors and engine replaced on multiple occasions under warranty. Independent engine replacement cost $15,000. Final failure resulted in total engine loss.
Recalls/TSBs owners mention: Manufacturer replaced engine and injectors under warranty on initial failures; referred owner to NHTSA after final failure.
Engine compartment fire
Smoke and vapors suddenly appear from engine compartment while driving. Transmission warning light illuminates immediately before fire. Fire spreads rapidly; 10-pound fire extinguisher unsuccessful. Fire department required to extinguish. Vehicle destroyed. Mileage under 28,400.
When: Mileage under 28,400
Symptoms owners cite: Transmission warning light illumination; Smoke and vapors from engine compartment; Engine fire
Repairs/costs cited: Vehicle destroyed by fire. Police and fire reports filed.
Exhaust manifold overheating and bolt fracture
Exhaust manifold overheats and twists during normal driving at moderate speed (30 mph), causing bolts to fracture. Both manifolds required replacement. Manifold failure causes audible ticking noise from engine.
When: 79,000 miles
Symptoms owners cite: Ticking noise from engine; Exhaust manifold overheating; Manifold twisting; Bolt fracture
Repairs/costs cited: Both exhaust manifolds required replacement. Repair not completed; manufacturer provided no assistance.
Recalls/TSBs owners mention: Manufacturer made aware but did not offer any assistance.
Serpentine belt premature fraying failure
Serpentine belt frays repeatedly, requiring replacement four times by 120,000 miles. Edge of belt toward fan consistently frays. Pulley nicked on at least one replacement. Pattern suggests design or pulley problem rather than normal wear.
When: Recurring every approximately 30,000 miles; fourth belt failing at 120,000 miles
Symptoms owners cite: Belt fraying; Premature belt wear; Nicked pulley
Repairs/costs cited: Four serpentine belt replacements and at least one pulley replacement. Belt fraying on fan-side edge consistent across failures.
Recalls/TSBs owners mention: Owner emailed Dodge requesting assistance; no response received.
Erratic idle and stalling during transmission shifts
Engine exhibits erratic idle from new. Engine stalls when shifting from reverse to drive. Problem worsens progressively over time. At 3,200 miles, vehicle stalls three times in ten-minute period during traffic. PCM has been flashed. Throttle body replacement planned.
When: Since new; worsens at low mileage (3,200 miles)
Symptoms owners cite: Erratic idle; Engine stall during reverse-to-drive shift; Progressive worsening; Multiple stalls in short time period
Repairs/costs cited: PCM flashed. Throttle body replacement planned. Problem unresolved.
Hemi engine stalling without warning
Engine stalls without warning during low-speed operation (red lights, parking lots). Electrical system continues to function. Failure occurs after only four months of ownership, creating loss of driver confidence.
When: Early ownership (4 months); low mileage
Symptoms owners cite: Engine stall without warning; Stall at low speed/stopped positions
Repairs/costs cited: Stalls occurred twice; owner plans to request buyback. Repair diagnosis not stated.
Noisy valve train requiring head replacement
Hemi engine valve train produces excessive noise from new. Dealer installs new cylinder heads per service bulletin at 7,000 miles, citing valve diameter clearance issue. Noise persists unchanged after new heads installed, suggesting root cause not addressed by bulletin.
When: Since new; new heads installed at 7,000 miles
Symptoms owners cite: Noisy valve train; Engine noise from valve train
Repairs/costs cited: New cylinder heads installed per Dodge service bulletin. Noise unchanged after replacement.
Recalls/TSBs owners mention: Dodge service bulletin issued for valve diameter clearance; bulletin did not resolve problem.
Engine fire during parked condition
Truck ignites and burns while parked in driveway. Engine has not been started for five days prior to fire. No explanation given for cause.
When: While parked; no engine operation for 5 days prior
Symptoms owners cite: Engine fire while parked
Engine stalling during transmission shifts (reverse to drive)
Engine stalls when shifting from drive to reverse in automatic transmission. Occurs on multiple separate occasions, suggesting recurring problem rather than one-time malfunction.
When: Recurring over multiple instances
Symptoms owners cite: Engine stall during drive-to-reverse shift; Engine stall during transmission shifts
Synthesized from 17 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 engine problem on the 2005 Dodge Ram 2500?
It's a meaningful issue. 17 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 15 complaints that reported odometer mileage, most engine failures cluster between 20,500 and 120,831 miles, with the median around 28,400. A quarter of owners report trouble before 20,500; a quarter make it past 120,831. 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 $3,100 for engine 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 engine?
No active recalls currently cover engine 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.