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 ↗2006 Dodge Ram 1500 engine problems
severe 40 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
40
Recalls
0
Avg fix
$3,100
3fires
What stands out
Owners have filed 40 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 6 model years of Dodge Ram 1500 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.
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 ↗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 ↗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 ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners describe sudden, unpredictable engine stalls while driving at highway speeds or idling at lights, with complete loss of power steering and braking until restart. Multiple mechanics replaced camshaft and crankshaft sensors, spark plugs, and ignition coils without fixing the stalling—one owner's truck sat in a shop for 2.5 years after compression tests showed the engine had failed internally. Another owner's engine seized at 49,000 miles; the dealership denied warranty coverage because it had expired despite the vehicle being only a year old. Several owners report engine fires while parked or during operation. Internal failures include exhaust manifold bolts that rust or fracture at 95,000–136,000 miles, intake valve seats dropping out of cylinder heads, and premature camshaft wear causing ticking and misfires. AC/heater blend doors break as early as 6,000 miles, and one owner paid $740 out of pocket to replace the same part that had already failed under warranty at 26,000 miles. Chrysler refused warranty claims on some failures, telling one owner the truck was performing as designed and to keep driving until it broke worse.
Same Dodge Ram 1500 engine reports on nearby years: 2005 · 2007 · 2008 · 2009
Failure modes owners describe
Stalling during operation
Engine shuts off without warning while driving at highway or city speeds, or while idling at stops/traffic lights. Power steering and brake assist become inoperable during stall events. Vehicle typically restarts after key cycle, but failure is unpredictable and recurring. Mechanics have replaced camshaft position sensors, crankshaft position sensors, spark plugs, and ignition coils without resolving the issue on some vehicles.
When: Occurs at various speeds from 10 to 65 mph, during low-idle situations, at traffic lights, or during turns. Some complaints note increased frequency after fuel tank is filled. Mileage range: 53,600 to 196,000 miles.
Symptoms owners cite: Engine dies without warning during operation; Check engine light illuminates (in some cases; absent in others); Loss of power steering and power brakes during stall; Engine shuddering at idle followed by shutdown; Vehicle restarts normally after key cycle
Codes mentioned: P0300 (random multiple misfire), Camshaft position sensor codes, Crankshaft position sensor codes
Repairs/costs cited: Owners report replacement of camshaft position sensors, crankshaft position sensors, spark plugs, and ignition coils. One dealership recommended fuel tank replacement due to check valve malfunction, with no guarantee of repair. Compression tests revealed very low or zero compression on cylinder sides in at least one case, suggesting internal engine failure.
Recalls/TSBs owners mention: Chrysler advised one owner repairs would not be authorized because the vehicle was performing as designed and to continue driving until it malfunctions again. No recalls mentioned for stalling condition.
Engine seizure and internal failure
Engine seizes and becomes inoperable, rendering the vehicle unusable. Compression tests show very little or no compression, indicating internal mechanical failure. Mechanics advised complete engine replacement rather than attempting internal diagnosis and repair due to cost and uncertainty.
When: Mileage 49,000 to 110,000 miles. One vehicle seized after multiple stalling events over 2.5 years.
Symptoms owners cite: Engine dies and will not restart; Very low or zero compression on compression test; Engine will not crank over; Intake valve and cylinder head defects noted by dealers in some cases
Repairs/costs cited: Engine replacement quoted at $7,000 plus labor. One mechanic noted intake valve and cylinder head defects causing internal damage. Owners report 2006 Dodge Ram was identified by multiple mechanics as one of the worst years for engine reliability.
Recalls/TSBs owners mention: Dealership refused warranty coverage when engine seized at 49,000 miles after 36,000-mile warranty expired. No recall information provided.
Exhaust manifold bolt fracture
Bolts attaching exhaust manifold fracture or rust away, causing rattling noise and allowing exhaust fumes to enter the cabin. No warranty coverage or recalls identified by dealers.
When: Failure mileage reported at 95,000 to 136,000 miles.
Symptoms owners cite: Rattling noise from engine area; Exhaust fumes entering cabin; Check engine light and fuel warning lights illuminated; Abnormal noise from underneath vehicle
Repairs/costs cited: Mechanics diagnosed that bolts needed replacement but owners did not pursue repairs. No cost estimates provided in narratives.
Recalls/TSBs owners mention: Dealers informed owners no recalls existed for this failure.
Engine fire
Vehicle catches fire while parked with engine running or during operation. Fire completely destroys vehicle. Fire department required to extinguish. Police and fire reports filed.
When: Failure mileage 56,000 to 135,000 miles.
Symptoms owners cite: Smoke coming from under hood while parked; Engine warning indicator illuminates; Vehicle becomes engulfed in flames
Repairs/costs cited: Vehicles completely destroyed and towed to salvage. No repairs attempted.
Recalls/TSBs owners mention: Manufacturer notified but no response details provided in narratives.
Intake valve and cylinder head defects
Internal engine components—specifically intake valves, cylinder heads, and valve seats—fail prematurely or fracture. One narrative reports intake valve seat fell out of cylinder head, breaking piston top and rendering engine useless. Violent shaking and loud banging noise from engine reported.
When: Failure mileage 25 to 78,000 miles.
Symptoms owners cite: Violent engine shaking; Loud banging noise from engine; Engine warning light and hazardous warning indicators illuminate; Engine becomes completely inoperable
Repairs/costs cited: Dealers diagnosed defective intake valve and cylinder head causing internal damage. Complete engine failure in at least one case with intake valve seat falling out.
Recalls/TSBs owners mention: Manufacturer notified but no repair authorization or recall action mentioned.
Camshaft and lifter premature wear
Camshaft wears prematurely due to defective or worn lifters, causing valve train degradation and engine misfires. Can lead to stalling events and potential loss of engine control.
When: Specific mileage not consistently reported; complaints indicate wear occurring during normal operation.
Symptoms owners cite: Engine ticking noise at idle (lifters tapping); Check engine light and P0300 random multiple misfire code; Engine stalling; Reduced engine performance
Codes mentioned: P0300 (random multiple misfire)
Repairs/costs cited: Camshaft and associated parts replacement required. Owners report inability to drive vehicle due to safety hazard after diagnosis.
AC/Heater blend door and recirculation door failure
Plastic blend door and recirculation door actuator in HVAC system break prematurely. Doors can become stuck, restricting airflow to cabin and preventing heating or cooling function. Actuator reportedly applies excessive torque on plastic components, causing failure.
When: Blend door failure reported at 26,000 miles (first failure under warranty); recirculation door failure at 6,000 to 52,000 miles.
Symptoms owners cite: Vents stuck in one position; Unable to defrost or defog windshield; Restricted air flow for heating or cooling; Inability to adjust HVAC output; Loud fan noise with little air output
Repairs/costs cited: Blend door assembly part #68004226-AB required replacement. First replacement covered under warranty at 26,000 miles; same part failed again at 52,000 miles out of warranty at cost of $740. Multiple owners report same issue.
Recalls/TSBs owners mention: Part covered under warranty for first failure; no extended coverage or redesign mentioned.
Synthesized from 40 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 0 most recent
Had engine trouble with your 2006 Dodge Ram 1500?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2006 Dodge Ram 1500?
It's a meaningful issue. 40 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 35 complaints that reported odometer mileage, most engine failures cluster between 38,000 and 112,258 miles, with the median around 68,000. A quarter of owners report trouble before 38,000; a quarter make it past 112,258. 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Dodge/Ram 1500.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.