The 2004 Ranger is a workhorse compact truck with three engine choices, but the 4.0L SOHC V6 (most popular) has significant timing chain and coolant system issues that can grenade the motor if ignored. The 2.3L Duratec is more reliable long-term, while the 3.0L Vulcan is aging out with head gasket concerns.
4.0L SOHC Timing Chain Cassette Failure
Common · high severity
Typical onset: 80,000-150,000 mi
Symptoms: rattling noise on cold start that quiets after warmup, Check Engine light with cam/crank correlation codes, sudden catastrophic loss of power if chains jump, metal shavings in oil
Fix: Replace timing cassettes, guides, tensioners, and chains on both banks — 8-12 hours labor. Often find worn cam phasers too. If chains jumped and valves kissed pistons, you're looking at heads-off work or full rebuild.
Symptoms: coolant loss with no visible external leak, white smoke from exhaust on startup, milky oil if it gets bad, overheating, rough idle or misfire codes
Fix: Plastic crossover tubes crack internally where they pass coolant under the intake. Manifold must come off (6-8 hours). Replace all coolant hoses and thermostat housing while you're in there — they're plastic and age out too. Ignored long enough, this hydrolocks cylinders and cracks blocks.
Estimated cost: $1,200-2,200
3.0L Vulcan Head Gasket Failure
Occasional · high severity
Typical onset: 120,000-180,000 mi
Symptoms: overheating, coolant in oil or oil in coolant, white exhaust smoke, bubbling in coolant reservoir, loss of power
Fix: The Vulcan's head gaskets let go between cylinders or into coolant jackets. Heads must be pulled, inspected for warpage, resurfaced if needed. 10-14 hours labor. If it overheated badly before catching it, heads may be cracked.
Estimated cost: $1,800-3,000
Automatic Transmission Torque Converter Shudder and Cooler Line Leaks
Common · medium severity
Typical onset: 100,000-160,000 mi
Symptoms: shudder or vibration at 40-50 mph during light throttle, red fluid on driveway, slipping or delayed shifts, burnt transmission smell
Fix: The 5R55E transmission's torque converter clutch wears and shudders. Steel cooler lines rust through at bends. Fluid changes every 30k help but won't cure a worn converter — that's trans-out, 6-8 hours. Cooler lines are 1-2 hours but hard to find rust-free replacements in the salt belt.
Estimated cost: $400-800 for lines; $1,800-2,800 for converter replacement
Front Wheel Bearing Failure
Common · medium severity
Typical onset: 70,000-120,000 mi
Symptoms: growling or humming that increases with speed, noise changes with turning, ABS light may come on, wheel play if severely worn
Fix: The front hub/bearing assemblies wear out, especially on 4WD models. They're bolt-on units, 2-3 hours per side including alignment check. Not dangerous immediately but can seize or cause ABS/traction control faults.
Estimated cost: $350-600 per side
Ball Joint Wear (4WD Models)
Occasional · high severity
Typical onset: 90,000-140,000 mi
Symptoms: clunking over bumps, wandering or loose steering, uneven tire wear, visible grease leaking from boot, play in wheel when jacked up
Fix: Upper and lower ball joints on the Twin Traction Beam front end wear and can separate catastrophically. Uppers are more common. Plan on doing both sides at once, 4-6 hours. Alignment mandatory after. Don't ignore this one — loss of control is real.
Estimated cost: $800-1,400 for both sides
Leaf Spring Center Pin Shear and U-Bolt Corrosion
Occasional · medium severity
Symptoms: clunking from rear on bumps, rear axle shifted to one side, uneven tire wear, body sits crooked, visible rust on U-bolts or center pin
Fix: Center pins shear (especially on overloaded trucks) and U-bolts rust through in the rust belt. If the pin breaks, the axle can walk sideways. Replacement is straightforward: 2-3 hours for U-bolts, 3-5 if you're doing springs and pins. Inspect annually if you haul or live where salt is used.
Estimated cost: $400-900 depending on how much hardware needs replacement
Owner tips
If buying a 4.0L SOHC, listen for timing chain rattle and inspect for coolant leaks at the thermostat housing and under the intake — walk away if either is present unless priced accordingly
Change automatic transmission fluid every 30,000 miles with Mercon V; these transmissions hate neglect
Inspect frame and leaf spring mounts for rust annually, especially in salt states — Rangers rot from the inside out around the rear shock mounts and cab corners
The 2.3L Duratec is the most reliable engine choice if you don't need towing capacity — timing chains last, no coolant crossover issues
Budget for front suspension work (ball joints, wheel bearings) if buying a 4WD model over 100k miles — it's not if, it's when
Buy a 2.3L 2WD if you want reliable basic-truck duty; avoid high-mileage 4.0L V6 models unless timing chains and coolant system have verifiable recent work — that motor can bankrupt you twice.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 23V306000
2023-04-28
Ford Motor Company (Ford) is recalling certain 2004-2006 Ranger vehicles that received replacement front passenger air bag inflators under a previous recall. The replacement front passenger air bag inflators may have been installed incorrectly.
Consequence: An incorrectly installed inflator may not properly inflate the passenger air bag, increasing the risk of injury during a crash.
Remedy: Dealers will inspect and reinstall the front passenger air bag inflator, as necessary, free of charge. Owner notification letters were mailed May 22, 2023. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 23S08. This recall expands and replaces previous recall number 23V-125.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 23V125000
2023-02-24
Ford Motor Company (Ford) is recalling certain 2004-2006 Ranger vehicles that received replacement front passenger air bag inflators under a previous recall. The replacement frontal passenger air bag inflators may have been installed incorrectly.
Consequence: An incorrectly installed inflator may not properly inflate the passenger air bag, increasing the risk of injury during a crash.
Remedy: Dealers will inspect and reinstall the front passenger air bag inflator, as necessary, free of charge. Owner notification letters were mailed April 5, 2023. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 23S08. This recall has been fully superseded by recall 23V-306.
AIR BAGS:FRONTAL · 21V076000
2021-02-17 · EA15001
Ford Motor Company (Ford) is recalling certain 2004-2006 Ranger vehicles that may be equipped with a driver or passenger frontal air bag inflator used as a replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Consequence: In the event of a crash necessitating deployment of the frontal air bag, an inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Ford will notify owners, and dealers will inspect the driver and passenger air bag module, and replace either the module or the inflator, if necessary, free of charge. The recall began March 17, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S05.
AIR BAGS:FRONTAL · 21V081000
2021-02-16 · EA15001
Ford Motor Company (Ford) is recalling certain 2005-2014 Mustang, 2004-2011 Ranger, 2009-2011 Mercury Milan, 2006 Ford GT, 2008-2012 Fusion, 2007-2010 Edge and Lincoln MKX, and 2009-2010 Lincoln MKZ vehicles. These vehicles may be equipped with a driver or passenger frontal air bag inflator used as a replacement service part, that may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.
Consequence: In the event of a crash necessitating deployment of the frontal air bag, an inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: Ford will notify owners, and dealers will inspect the driver and passenger air bag module, and replace either the module or the inflator, if necessary, free of charge. The recall began March 17, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 21S05.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE · 17V787000
2017-12-11 · EA15001
Ford Motor Company (Ford) is superseding a previous recall for certain 2004-2006 Ford Ranger trucks to implement a final repair. Upon deployment of the driver side frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Ford will notify owners, and dealers will replace the driver's frontal air bag inflator with an alternate inflator, free of charge. The recall began January 16, 2018. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 17S42. Note: This recall supersedes recall 16V-036 which was an interim repair. Vehicles that received a replacement air bag inflator under the previous campaign need to return to a dealer to have an alternate inflator installed.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 17V788000
2017-12-11 · EA15001
Ford Motor Company (Ford) is superseding a previous recall for certain 2004-2006 Ford Ranger trucks to implement a final repair. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence: In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants, potentially resulting in serious injury or death.
Remedy: Owners are advised not to drive their vehicles until the repair has been performed. Ford will notify owners, and dealers will replace the passenger's frontal air bag inflator with an alternate inflator, free of charge. The recall began January 16, 2018. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 17S42. Note: This recall supersedes recall 15V322 which was an interim repair. Vehicles that received a replacement air bag inflator under the previous campaign need to return to a dealer to have an alternate inflator installed. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 17S42.
AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE · 16V036000
2016-01-25 · EA15001
Ford Motor Company (Ford) is recalling certain model year 2004-2006 Ranger vehicles manufactured March 24, 2003, to May 4, 2006. Upon deployment of the driver side frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
Remedy: Ford will notify owners, and dealers will replace the air bag inflators, free of charge. The recall began February 26, 2016. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S03. Note: This recall supersedes 14V-343 and only applies to Rangers manufactured in North America.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE · 15V322000
2015-05-28 · EA15001
Ford Motor Company (Ford) is recalling certain model year 2004-2006 Ranger trucks manufactured March 24, 2003, to May 4, 2006. The affected vehicles are equipped with a passenger side frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture.
Consequence: In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.
Remedy: Ford will notify owners, and dealers will replace the front passenger air bag inflator, free of charge. The recall began on December 4, 2015. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15S22. Note: This recall partially supersedes recall 14V-787.
EXTERIOR LIGHTING:TAIL LIGHTS · 11V352000
2011-07-13
FORD IS RECALLING CERTAIN MODEL YEAR 2011 RANGER TRUCKS BUILT FROM JANUARY 25, 2011, THROUGH APRIL 25, 2011 AT THE TWIN CITIES ASSEMBLY PLANT, AND SERVICE PARTS DISTRIBUTED TO DEALERS FOR CERTAIN 2004 THROUGH 2011 MODEL YEAR RANGER TRUCKS, 2002 THROUGH 2005 MODEL YEAR EXCURSION VEHICLES, AND 2002 THROUGH 2007 MODEL YEAR F-250, F-350, F-450, AND F-550 TRUCKS FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THE MULTI-FUNCTION SWITCH WAS SHIPPED WITH A SUBCOMPONENT (SLIDER) THAT MAY EXPERIENCE DEFORMATION. A MULTI-FUNCTION SWITCH WITH A DEFORMED SLIDER MAY MALFUNCTION CAUSING THE TURN SIGNAL, TAIL LIGHTS, HAZARD WARNING SIGNAL FLASHERS AND/OR BRAKE LIGHTS NOT TO ACTIVATE.
Consequence: NON-FUNCTIONING LIGHTS COULD INCREASE THE RISK OF A CRASH.
Remedy: DEALERS WILL REPLACE THE SWITCHES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 15, 2011. OWNERS MAY CONTACT FORD MOTOR COMPANY CUSTOMER RELATIONSHIP CENTER AT 1-866-436-7332.
EXTERIOR LIGHTING:HEADLIGHTS · 09E025000
2009-05-11
DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.
Consequence: DECREASED LIGHTING VISIBILITY MAY RESULT IN A VEHICLE CRASH.
Remedy: DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE SAFETY RECALL BEGAN ON JULY 28, 2009. OWNERS MAY CONTACT DOPE, INC. AT 1-626-272-1798.
EXTERIOR LIGHTING · 06E065000
2006-07-17
CERTAIN AJ MOTORSPORT COMBINATION LAMPS SOLD AS REPLACEMENT LAMPS FOR USE ON THE ABOVE LISTED PASSENGER VEHICLES. COMBINATION LAMPS NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.
Consequence: LACK OF AMBER SIDE REFLECTORS IN THE LAMPS WILL DECREASE LIGHTING VISIBILITY TO OTHER DRIVERS AND MAY POSSIBLY RESULT IN A VEHICLE CRASH.
Remedy: AJ MOTORSPORT WILL NOTIFY OWNERS AND OFFER REIMBURSEMENT FOR THE LAMPS. THE RECALL BEGAN ON JULY 31, 2006. OWNERS MAY CONTACT AJ MOTORSPORT AT 626-618-2026.
STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS · 04V331000
2004-07-14
ON CERTAIN PICKUP TRUCKS, THE FRAME MAY HAVE A CENTER RAIL SECTION FLANGE THAT WAS NOT FORMED PROPERLY.
Consequence: IN THE EVENT OF A SIDE IMPACT CRASH, THE FRAME RAIL SCOULD PUNCTURE THE FUEL TANK, RESULTING IN A FUEL LEAK. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
Remedy: DEALERS WILL INSPECT THE FRAME TO DETERMINE WHETHER THE FRAME WAS INCORRECTLY MANUFACTURED. IF THERE IS A PROBLEM, THE VEHICLE WILL NOT BE REPAIRED. FORD AND THE DEALER WILL REPLACE THE VEHICLE. THE RECALL BEGAN ON JULY 19, 2004. OWNERS SHOULD CONTACT FORD AT 1-800-392-3673.
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