RAM · Known Issues

2021 RAM 3500 Problems: 8 Known Issues

2021 model year · 11,150+ owner reports · Updated November 2026

According to Au7o's analysis of 11,150+ owner reports, the 2021 RAM 3500 has 8 documented known issues, with 3 rated critical. The most serious are 68RFE Automatic Transmission Failure When Towing ($400-$8,000 repair), Aisin AS69RC Transmission Overheating and Converter Shudder ($300-$3,500 repair) and AAM 9.25 Front Axle Seal and U-Joint Failure ($200-$1,200 repair). The most commonly reported issue is 68RFE Automatic Transmission Failure When Towing with 4,500 owner reports. Across all issues with published estimates, repair costs range from $50 to $8,000. DIY maintenance guides at au7o.io.

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All 8 Known Issues

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Community reported

4,500 owners

On the 2007-2024 RAM 3500 6.7L Cummins, the 2007-2024 RAM 3500 with the 68RFE 6-speed automatic transmission suffers from premature failure when towing heavy loads (over 10,000 lbs). The 68RFE is a derivative of the older 545RFE and was not adequately engineered for the torque output of the 6.7L Cummins. The overdrive clutch pack, solenoid pack, and torque converter are the primary failure points. Overheating during sustained towing destroys the clutch packs and warps the valve body. Many trucks experience complete transmission failure between 80,000-150,000 miles if used for regular towing. Rebuild cost: $3,000-5,000. Built/upgraded transmission: $5,000-8,000.

This issue also affects: Chrysler 200, Chrysler 300M, Chrysler LHS

Common Symptoms

Transmission slipping under heavy load
Flare between 3rd and 4th gear
No 3rd gear or no overdrive
Transmission overheating warning while towing
Harsh or delayed shifts
Check engine light with transmission codes
Complete loss of forward or reverse gears

How to Fix

For minor issues: Complete fluid and filter change with Mopar ATF+4 (68218057AA) and solenoid pack replacement ($400-800). For overheating prevention: Install an auxiliary transmission cooler and keep temps under 220F. For rebuilds: Use a reputable heavy-duty builder (SunCoast, Randys Worldwide, BD Diesel). A properly built 68RFE with billet shafts, upgraded clutch packs, and triple-disc torque converter ($5,000-8,000) will handle 800+ lb-ft of torque. The 68RFE stayed behind the standard-output Cummins through 2024 (the high-output Cummins used the Aisin AS69RC); for 2025 Ram switched to a ZF 8-speed automatic.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

Geno's Garage QSK2004 68RFE service kit
Verify transmission, pan and required fluid quantity.
Geno's Garage
Genuine Mopar ATF+4 68218058AC
68RFE only; verify transmission and service versus overhaul fill quantity.
Mopar Store

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$400 - $8,000

Research This Issue

Based on 4,500 owner reports

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Community Reported

High Confidence4,500 owner reportsLast reported by owners Feb 2026Updated Nov 7, 2026

Community reported

2,800 owners

On the 2013-2025 RAM 3500 6.7L Cummins, the RAM 3500 equipped with the Aisin AS69RC 6-speed automatic transmission experiences torque converter shudder, overheating when towing, delayed shifts, and premature wear. The torque converter lockup clutch develops a shudder at light throttle and highway speeds. When towing heavy loads (10,000+ lbs), the transmission temperature can spike rapidly, triggering limp mode. FCA bulletin RL300150A covers early 2016 model-year AS69RC trucks (built 10/15/2015 to 4/17/2016) that set torque converter lockup code P2757, and calls for replacing the torque converter (RL335702AA). The AS69RC requires Mopar ASRC fluid, and using ATF+4 instead causes accelerated wear. Converter replacement runs $2,000-3,500.

This issue also affects: Chrysler 200, Chrysler 300M, Chrysler LHS

Common Symptoms

Shudder or vibration at highway speed (40-60 mph)
Transmission overheating when towing
Delayed or harsh shifts
Transmission temperature warning light
Limp mode activation while towing
Slipping sensation during light acceleration
Torque converter lock/unlock cycling

How to Fix

For shudder: First try a complete fluid change with Mopar ASRC fluid - NOT standard ATF+4. If shudder persists, torque converter replacement is needed ($2,000-3,500). Ask the dealer to check bulletin RL300150A (lockup code P2757, replacement converter RL335702AA) and any other open bulletins for your VIN. For overheating: Install an auxiliary transmission cooler ($200-400, B&M or Derale) and reduce towing speed. Ensure the external transmission filter (if equipped) is clean.

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What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

Genuine Mopar ASRC transmission fluid 05189966AF
AS69RC/AS68RC/AS66RC applications specifying 05189966AF or supersession; verify transmission and package quantity.
Tasca Parts
Genuine Mopar 68224232AA AS69RC transmission filter
2013-2018 Ram 3500 high-output 6.7L Cummins with AS69RC as listed; not Ram 2500 and not approved here for 2019-2025. Fitment/availability: In stock at review
XDP

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$300 - $3,500

Research This Issue

Based on 2,800 owner reports

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Community Reported

High Confidence2,800 owner reportsLast reported by owners Feb 2026Updated Nov 7, 2026

Community reported

1,650 owners

On the 2013-2025 RAM 3500, the RAM 3500 4x4 with the AAM (American Axle Manufacturing) 9.25 front axle experiences premature front axle seal leaks and u-joint failures. Differential fluid leaks from the inner axle seals, contaminating the front brakes. The front axle u-joints wear out prematurely, especially on trucks with oversized tires or that are used for snow plowing. Symptoms include grease on the inner wheel/brake area, clicking/popping when turning in 4WD, and vibration. TSB 03-004-18 addresses front axle seal replacement procedure. If the leaking oil reaches the brake pads, both pads and rotors must be replaced.

Common Symptoms

Gear oil leak on inside of front wheels
Contaminated front brake pads (oil soaked)
Clicking or popping noise when turning in 4WD
Front end vibration in 4WD
Grinding noise from front axle area
Differential fluid level low on inspection
Reduced braking performance on front wheels

How to Fix

For axle seal leaks: Replace the inner axle seals on the affected side (Mopar 68216218AA, $25-50 each) and inspect the axle shaft for wear at the seal surface. If the axle shaft is grooved, install a Speedi-Sleeve repair sleeve ($30). If brake contamination occurred, replace front brake pads and rotors ($300-500). For u-joint failure: Replace with Spicer Life Series (SPL55-3X) u-joints rated for 3500-class loads ($50-100 per joint, 2 per side). Total repair: $400-1,200 depending on extent.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

AAM 40201742 Ram 9.25 front axle tube seal
Applicable 2003-2022 Dodge/Ram 2500/3500 4WD AAM 9.25 front axle; within this card, verify 2013-2022 axle tag and seal dimensions.
C&M Gearworks
AAM 74081555A / Spicer 5-3212X front axle U-joint
2010-2023 Ram 2500/3500 AAM 9.25 front axle using the 1555-series 74081555A/5-3212X joint; verify axle and dimensions.
Drivetrain America

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Typical repair cost:$200 - $1,200

Research This Issue

Based on 1,650 owner reports

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Community Reported

High Confidence1,650 owner reportsLast reported by owners Feb 2026Updated Nov 7, 2026

On the 2010-2025 RAM 3500 6.7L Cummins, the intake grid heater relay fails, preventing the grid heater from warming intake air during cold starts. The grid heater draws significant current (up to 200 amps), and the relay contacts eventually burn and weld or fail open. Without the grid heater, cold-start performance degrades significantly in temperatures below 40°F — longer cranking, white smoke, rough idle, and potential no-start conditions in extreme cold.

This issue also affects: RAM 2500

Common Symptoms

Hard starting or extended cranking in cold weather
White smoke on cold start
Grid heater warning light not illuminating
Rough idle for several minutes after cold start
Check engine light with grid heater circuit codes

How to Fix

Replace the grid heater relay (Mopar 5187880AC is listed for 2006-2018 trucks; match the part to your VIN on later models). The relay is located on the intake manifold or firewall area and is a straightforward replacement. Some owners upgrade to a heavy-duty aftermarket relay rated for higher amperage to extend lifespan. Also inspect the grid heater element itself for damage or corrosion while the relay is being replaced. On 2021-2023 trucks, check your VIN for recall 23V060 (FCA 13A), which replaces the heater grid relay free because it can short; owners are advised to park outside until it is done. Budget $80-$250 for parts and labor.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

Genuine Mopar 5187880AC grid-heater relay
2006-2018 Dodge/Ram 5.9L/6.7L Cummins as listed; within this card use for confirmed 2010-2018 applications.
Geno's Garage

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

TipThe grid heater relay is cheap and easy to replace yourself. Keep a spare in the glovebox if you live in a cold climate — a $30 relay can save you from a no-start situation in winter.
TipWhen replacing the relay, inspect the connector terminals for heat damage or corrosion. Burned terminals will kill a new relay quickly — replace the pigtail connector if damaged.

Typical repair cost:$80 - $250

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Community Reported

Medium ConfidenceUpdated Nov 7, 2026

On the 2013-2025 RAM 3500, the factory 5th wheel and gooseneck towing prep wiring harness corrodes at the in-bed connector junction, particularly where it connects to the 7-pin and 4-pin trailer connectors under the bed. Water intrusion from rain, truck washes, and bed spray deteriorates the connector terminals and causes intermittent trailer light failures, brake controller communication issues, and auxiliary camera dropouts. The issue is worse on trucks used in snow belt regions due to road salt exposure.

Common Symptoms

Intermittent trailer running lights
Trailer brake controller shows no connection
Backup camera for trailer intermittently drops out
Trailer turn signals work only sometimes
Corrosion visible on in-bed towing connector

How to Fix

Inspect the under-bed wiring junction and connector terminals. Clean corroded terminals with electrical contact cleaner and a wire brush. Apply dielectric grease (Permatex 22058) to all connector terminals to prevent future corrosion. For severely corroded connections, splice in new Weatherpack or Deutsch sealed connectors. Seal the connector junction box with RTV silicone to prevent water intrusion. Budget $50-$300 depending on severity.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

Permatex 22058 dielectric tune-up grease, 3 oz
Universal electrical-protection consumable, not a connector repair. Apply a thin film as directed after conductive contact surfaces and seals are restored.
Advance Auto Parts

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

TipApply dielectric grease to all trailer connector terminals during your annual towing prep. Two minutes of prevention saves hours of roadside troubleshooting with a loaded trailer.
TipSeal the in-bed connector junction box with Permatex Ultra Grey RTV. The factory seal degrades and lets water pool around the connections, especially after truck bed washes.

Typical repair cost:$50 - $300

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Community Reported

Medium ConfidenceUpdated Nov 7, 2026

Community reported

2,200 owners

On the 2014, 2018-2022 RAM 3500, the front wheel bearing on the RAM 3500 comes as a hub-and-bearing assembly, and Ram lists it as one part ("Hub and Bearing, Brake, Front"), so a worn bearing means replacing the whole hub. Owners report these hubs wearing out at a wide range of mileages. A 2019 3500 with the 6.4L gas engine needed both front bearings at about 31,000 miles, and the owner says the truck had never been used for plowing or abused. A 2019 owner on HDRams lost a hub before 40,000 miles. A 2015 3500 work truck was on its second set of hubs at about 190,000 miles. A 2014 owner reports that the passenger front bearing fractured without warning at about 173,000 miles and the truck had to be towed to a dealer. Owners describe a hum, growl or whistle from the front, more noise when turning, and play in the wheel. Ram's own bulletin also lists apparent grease leakage as a sign. In December 2022 Ram issued service bulletin 9003805, "Hub and Bearing, Brake, Front," which covers several Ram truck platforms from the 2018-2022 model years (platform codes DD, DP, DF, DJ and D2). It tells dealer technicians to contact FCA before replacing a front hub for growling or humming noise, apparent grease leakage or excessive play. The bulletin is a review step and a diagnosis reference. It does not describe a redesigned part or extend the warranty.

Common Symptoms

Humming, droning or growling from the front that rises with road speed
More front-end noise when turning
Whistling noise from the front that can be mistaken for worn brake pads
Play or looseness in the front wheel
Grease appearing to leak from the hub
Sudden bearing failure that leaves the truck needing a tow (reported at high mileage)

How to Fix

Check first: jack up the front and check the wheel for play. Listen for a hum or growl that rises with road speed or gets worse when turning. Look for grease around the back of the hub. Before condemning the hub, check the ball joints with a pry bar under the tire, because they also cause play (owners on HDRams suggest this). The fix is a new front hub-and-bearing assembly. Under Ram service bulletin 9003805 (Dec 2022), a dealer has to contact FCA for review before replacing a hub for noise, grease leakage or excessive play, and can go ahead with the repair if there is no reply within 15 minutes. That is a review step, not a warranty extension. Coverage follows your normal warranty. One 2019 owner was refused coverage at 31,000 miles because the 3-year limit had already passed. That owner paid $1,640 at a dealer to replace both front bearings with Mopar parts. Owners outside warranty report using aftermarket hub assemblies (for example TRQ or Moog) and suggest choosing the one with the best parts warranty.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

Timken HA590467 front hub and bearing
Confirm VIN, drive, cab/chassis, build date, spline and ABS connector.
AM Autoparts
Timken HA590628 front hub and bearing
Confirm the exact notes and ABS lead before ordering.
PartsGeek
Genuine Mopar 68292887AA front hub and bearing
2019-2025 Ram 3500 6.4L/6.7L listed configurations; confirm VIN, axle ratio and current supersession, including 68292887AB where applicable.
MoparPartsGiant

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Owner tips & cautions

TipTimken HA590576 and Moog 515162 are the top choices for replacement. Avoid cheap imported hub bearings — they often fail within 20,000 miles on a 3500 that tows.
TipWhen one front hub bearing goes, replace both sides. If one failed at 80,000 miles, the other is likely at 85% wear and will fail within 10,000-15,000 miles.

Typical repair cost:$300 - $700

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Community Reported

Medium ConfidenceUpdated Nov 7, 2026

NHTSA Recalls22 recalls

STEERING:STEERING CONTROL MODULE

Chrysler (FCA US, LLC) is recalling certain 2023 Ram 1500 Classic, Ram 3500 Classic, 3500 Cab Chassis, 2023-2024 Ram 2500, 4500/5500 Cab Chassis, and Ram 3500 vehicles. The steering column control module may cause the high beams to activate when the turn signal is used or activate the turn signal when the high beams are used. In addition, the turn signal self-canceling feature may not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Campaign #23V79900028/11/2023

AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE

Chrysler (FCA US, LLC) (Stellantis) is recalling certain 2023-2024 Ram 1500, Jeep Wrangler, Jeep Wagoneer, Jeep Grand Wagoneer, Chrysler Pacifica, Ram 3500, Ram 3500 cab chassis, Ram 2500, Ram 4500 cab chassis, Ram 5500 cab chassis, 2023 Jeep Gladiator, Jeep Grand Cherokee, Jeep Grand Cherokee L, Ram 3500 Cab Chassis with a GVWR less than 10,000 lbs., and Chrysler Voyager vehicles. The steering column control module may not be welded properly, which can prevent the driver's air bag from deploying in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Campaign #24V19900014/03/2024

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Chrysler (FCA US, LLC) is recalling certain 2025-2026 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Ram 3500 Cab Chassis, Ram 4500 Cab Chassis, and Ram 5500 Cab Chassis vehicles. A software error may cause the instrument panel display to fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standards numbers 102, "Transmission Shift Position Sequence," 105, "Hydraulic and Electric Brake Systems," 108, "Lamps, Reflective Devices, and Associated Equipment," 126, "Electronic Stability Control Systems for Light Vehicles," 135, "Light Vehicle Brake Systems," 138, "Tire Pressure Monitoring System," and/or 208, "Occupant Crash Protection."

Campaign #26V22500009/04/2026

POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)

Chrysler (FCA US, LLC) is recalling certain Ram 2500 and Ram 3500 vehicles equipped with a 3.5" cluster and column shifter. A software error may cause the gear selection display to be inaccurate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."

Campaign #25V29700008/05/2025

AIR BAGS:FRONTAL

Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 1500, Ram 2500, Ram 3500, Ram 4500, and Ram 5500 vehicles. The steering column control module may cause the driver's side air bag not to deploy as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

Campaign #25V76500006/11/2025

+ 17 more recalls. Check all on NHTSA.gov

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Frequently Asked Questions

What are the most common RAM 3500 problems?

According to Au7o's analysis of 11,150+ owner reports, the 2021 RAM 3500 has 8 documented issues. The most frequently reported are: 68RFE Automatic Transmission Failure When Towing, Aisin AS69RC Transmission Overheating and Converter Shudder, AAM 9.25 Front Axle Seal and U-Joint Failure. Of these, 3 are rated critical and should be addressed promptly.

Is the RAM 3500 reliable?

The 2021 RAM 3500 has 8 known issues documented across 11,150+ owner reports. 3 issues are rated critical: 68RFE Automatic Transmission Failure When Towing and Aisin AS69RC Transmission Overheating and Converter Shudder and AAM 9.25 Front Axle Seal and U-Joint Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common RAM 3500 problems?

Repair costs for known RAM 3500 issues range from $50 to $8,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, 68RFE Automatic Transmission Failure When Towing, typically costs $400-$8,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2007-2024 RAM 3500 68RFE Automatic Transmission Failure When Towing?

The 2007-2024 RAM 3500 with the 68RFE 6-speed automatic transmission suffers from premature failure when towing heavy loads (over 10,000 lbs). The 68RFE is a derivative of the older 545RFE and was not adequately engineered for the torque output of the 6.7L Cummins. The overdrive… Repairs typically run $400-$8,000. Severity: high.

What is the 2013-2025 RAM 3500 Aisin AS69RC Transmission Overheating and Converter Shudder?

The RAM 3500 equipped with the Aisin AS69RC 6-speed automatic transmission experiences torque converter shudder, overheating when towing, delayed shifts, and premature wear. The torque converter lockup clutch develops a shudder at light throttle and highway speeds. When towing he… Repairs typically run $300-$3,500. Severity: high.

What is the 2013-2025 RAM 3500 AAM 9.25 Front Axle Seal and U-Joint Failure?

The RAM 3500 4x4 with the AAM (American Axle Manufacturing) 9.25 front axle experiences premature front axle seal leaks and u-joint failures. Differential fluid leaks from the inner axle seals, contaminating the front brakes. The front axle u-joints wear out prematurely, especial… Repairs typically run $200-$1,200. Severity: high.

What is the 2013-2025 RAM 3500 6.7L Cummins Exhaust Brake Actuator and VGT Turbo Issues?

The RAM 3500 6.7L Cummins equipped with the integrated exhaust brake system experiences failures of the VGT (Variable Geometry Turbocharger) actuator and exhaust brake solenoid. The exhaust brake uses the VGT turbo vanes to create backpressure for engine braking while towing. The… Repairs typically run $200-$4,000. Severity: medium.

What is the 2010-2025 RAM 3500 Grid Heater Relay Failure (6.7L Cummins)?

The intake grid heater relay fails, preventing the grid heater from warming intake air during cold starts. The grid heater draws significant current (up to 200 amps), and the relay contacts eventually burn and weld or fail open. Without the grid heater, cold-start performance deg… Repairs typically run $80-$250. Severity: medium.

What is the 2010-2025 RAM 3500 Exhaust Manifold Bolt Failure (6.7L Cummins)?

The factory exhaust manifold bolts on the 6.7L Cummins break due to repeated thermal expansion and contraction cycles. Broken bolts allow the manifold to separate from the cylinder head, creating exhaust leaks that produce a ticking noise and reduce turbo efficiency. The center b… Repairs typically run $400-$1,200. Severity: medium.

What is the 2014, 2018-2022 RAM 3500 Front Hub and Bearing Assembly Wears Out Early, Causing Hum and Wheel Play?

The front wheel bearing on the RAM 3500 comes as a hub-and-bearing assembly, and Ram lists it as one part ("Hub and Bearing, Brake, Front"), so a worn bearing means replacing the whole hub. Owners report these hubs wearing out at a wide range of mileages. A 2019 3500 with the 6.4… Repairs typically run $300-$700. Severity: medium.

What is the 2013-2025 RAM 3500 5th Wheel / Gooseneck Prep Wiring Corrosion?

The factory 5th wheel and gooseneck towing prep wiring harness corrodes at the in-bed connector junction, particularly where it connects to the 7-pin and 4-pin trailer connectors under the bed. Water intrusion from rain, truck washes, and bed spray deteriorates the connector term… Repairs typically run $50-$300. Severity: low.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

All 8 Known Issues

2007-2024 RAM 3500: 68RFE Automatic Transmission Failure When Towing#

2013-2025 RAM 3500: Aisin AS69RC Transmission Overheating and Converter Shudder#

2013-2025 RAM 3500: AAM 9.25 Front Axle Seal and U-Joint Failure#

2010-2025 RAM 3500: Grid Heater Relay Failure (6.7L Cummins)#

2013-2025 RAM 3500: 5th Wheel / Gooseneck Prep Wiring Corrosion#

2013-2025 RAM 3500: 6.7L Cummins Exhaust Brake Actuator and VGT Turbo Issues#

2010-2025 RAM 3500: Exhaust Manifold Bolt Failure (6.7L Cummins)#

2014, 2018-2022 RAM 3500: Front Hub and Bearing Assembly Wears Out Early, Causing Hum and Wheel Play#

Other RAM Models

Frequently Asked Questions

What are the most common RAM 3500 problems?

Is the RAM 3500 reliable?

How much does it cost to fix common RAM 3500 problems?

What is the 2007-2024 RAM 3500 68RFE Automatic Transmission Failure When Towing?

What is the 2013-2025 RAM 3500 Aisin AS69RC Transmission Overheating and Converter Shudder?

What is the 2013-2025 RAM 3500 AAM 9.25 Front Axle Seal and U-Joint Failure?

What is the 2013-2025 RAM 3500 6.7L Cummins Exhaust Brake Actuator and VGT Turbo Issues?

What is the 2010-2025 RAM 3500 Grid Heater Relay Failure (6.7L Cummins)?

What is the 2010-2025 RAM 3500 Exhaust Manifold Bolt Failure (6.7L Cummins)?

What is the 2014, 2018-2022 RAM 3500 Front Hub and Bearing Assembly Wears Out Early, Causing Hum and Wheel Play?

What is the 2013-2025 RAM 3500 5th Wheel / Gooseneck Prep Wiring Corrosion?