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 ↗2007 Dodge Magnum engine problems
severe 16 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Failure mileage
Complaints
16
Recalls
0
Avg fix
$3,100
1fire
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Valve Body. These may cause over drive cycling.
full bulletin at NHTSA ↗NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ 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 ↗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
The 2007 Dodge Magnum engine complaints center on cooling system failures and internal engine problems. The most consistent issue is radiator fan failure—blades fracture, shatter, or separate without warning, puncturing the radiator and dumping antifreeze. This happens across the mileage range (40K to 195K miles) and produces a loud abnormal noise before the vehicle overheats. Owners report being left with inoperable vehicles; dealers and manufacturers have declined to cover repairs or issue recalls.
Engine stalling at low speeds and during shifts occurs sporadically but repeatedly. One owner's cylinder #5 developed severe low compression due to a defective valve guide cutting into the rocker arm—a $2,100+ repair bill. Intake manifold actuator failure (code 1004) triggers check engine lights; dealers quote over $1,300 for parts and labor. Thermostat failures are chronic, with one owner replacing the cooling unit three times in the first year of ownership. Engine seizure and complete engine damage requiring replacement have also been documented. Dodge has consistently refused goodwill assistance and warranty coverage on these failures.
Same Dodge Magnum engine reports on nearby years: 2005 · 2006 · 2008
Failure modes owners describe
Radiator Fan Fracture/Separation Damaging Radiator
Cooling fan blades fracture, shatter, or separate without warning, puncturing and damaging the radiator and causing antifreeze leaks. Multiple owners report loud abnormal noise from the engine bay when the failure occurs.
When: 40,000 to 195,000 miles
Symptoms owners cite: Loud abnormal booming or crashing noise from engine bay; Antifreeze leaking from vehicle; Engine overheating; Vehicle becomes inoperable without warning
Repairs/costs cited: Radiator, cooling fan, and fan motor replacement required. One owner replaced both radiator and fan; costs not specified by most. Dealer estimates range from undisclosed to thousands.
Recalls/TSBs owners mention: Manufacturers contacted but refused assistance, claiming vehicle not covered under recalls. One owner referenced NHTSA ID 10041252.
Low Cylinder Compression and Valve Guide Failure
Cylinder #5 exhibits very low compression due to a defective valve guide that allows the valve stem to run at an angle, cutting into the aluminum rocker arm.
When: At approximately 75,900 miles (diagnosed); failure mileage 35,000
Symptoms owners cite: Check engine light illuminated; Engine traction control light illuminated; Low compression in cylinder #5
Repairs/costs cited: Valve job, water pump, and timing belt replacement required. Dodge dealer estimated $3,500; independent shop completed work for $2,103. Defective original parts were replaced with improved aftermarket parts.
Recalls/TSBs owners mention: Dodge refused any goodwill adjustment. Owner stated this should be a recall issue due to defective original parts.
Engine Stalling at Low Speed
Engine shuts off without warning while decelerating, stopped at stop signs, or shifting from park, then restarts normally. Occurs sporadically over time.
When: Various; one owner reported multiple instances over unspecified period
Symptoms owners cite: Shudder followed by engine shutdown; Engine stall while shifting from park to reverse; Engine stall while decelerating at low speed; All other systems appear normal
Repairs/costs cited: No repairs performed by owner; issue intermittent and self-resolves with restart.
Poor Acceleration with Roaring and Deceleration
Vehicle roars and decelerates abruptly when attempting to accelerate from a stop. Dealer software update did not resolve. Dealer recommended replacement of idle actuator sensor and upper intake manifold. Private mechanic deemed vehicle unsafe to drive.
When: Failure mileage 35,000; diagnosed at 75,900 miles
Symptoms owners cite: Roaring noise during acceleration attempt; Unintended deceleration from stop; Vehicle deemed unsafe to drive by private mechanic
Repairs/costs cited: Dealer recommended replacing idle actuator sensor and upper intake manifold. No repairs completed; owner did not proceed.
Recalls/TSBs owners mention: Manufacturer was aware of the failure but no action documented.
Intake Manifold Actuator Failure (Code 1004)
Check engine light displays diagnostic code 1004, indicating failure in intake runner control system. Owner reports this code is prevalent with 2007 Dodge Magnum but manufacturer claims it is not an issue.
When: 48,000 miles
Symptoms owners cite: Check engine light illuminated; Code 1004 displayed
Codes mentioned: 1004
Repairs/costs cited: Dodge dealership quoted $1,300+ for replacement of intake and short-runner actuators. No repairs performed by owner.
Recalls/TSBs owners mention: Manufacturer claims code 1004 is not a recognized issue despite owner research showing prevalence in this model year.
Thermostat Failure
Thermostat repeatedly stops functioning and requires replacement. Also related to heating system failures requiring cooler unit replacement and antifreeze smell when heater is activated.
When: Within first year of ownership (car purchased new in Nov 2007, third failure by Dec 2008); ongoing issues
Symptoms owners cite: Heating system failure; Antifreeze smell when heater turned on; Slow heat buildup (30 minutes to warm air); Thermostat malfunction
Repairs/costs cited: Cooler unit replaced multiple times within first year. Owner paid deductible for repairs after warranty period due to mileage.
Engine Seizure
Engine seized without warning while vehicle was being driven. Vehicle would not restart. Cause of seizure not determined during diagnostic inspection.
When: 98,000 miles
Symptoms owners cite: Vehicle stalled at low speed (10 mph); Unable to restart engine; Engine seized
Repairs/costs cited: Vehicle towed to mechanic but not repaired. Cause of seizure undetermined.
Recalls/TSBs owners mention: Manufacturer was made aware but no assistance offered.
Engine Damage with Smoke and Check Engine Light
Vehicle stalled while driving with smoke visible from engine compartment. Check engine light had been previously illuminated. Dealer diagnosed complete engine failure requiring replacement.
When: Mileage unknown
Symptoms owners cite: Check engine light previously illuminated; Vehicle stall while driving (25 mph); Smoke from engine compartment
Repairs/costs cited: Engine replacement required; estimated cost approximately $12,000. Vehicle not repaired by owner.
Recalls/TSBs owners mention: Manufacturer not notified.
Idle Speed Control Malfunction
When coming to a stop or at idle, engine revs unexpectedly and vehicle moves forward slightly without driver input.
When: Not specified
Symptoms owners cite: Engine revving at idle without driver input; Unintended forward movement when stopped
Synthesized from 16 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 2007 Dodge Magnum?
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 2007 Dodge Magnum?
It's a meaningful issue. 16 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 43,000 and 136,962 miles, with the median around 83,000. A quarter of owners report trouble before 43,000; a quarter make it past 136,962. 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/2007/Dodge/Magnum.
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.