2015 Ram Promaster 2500 3.0L Diesel Maintenance Guide: Oil & Fluid Specs

AMSOIL diesel oil guide for 2015 Ram Promaster 2500
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines

What oil does a 2015 Ram Promaster 2500 3.0L Diesel take?

The 2015 Ram Promaster 2500 with the 3.0L 4-cylinder diesel engine (Engine Code D EXG 1) requires a 5W-30 viscosity oil. For a standard oil change including the filter, the capacity is 9.5 quarts. AMSOIL recommends using AMSOIL 5W-30 100% Synthetic Diesel Oil (DP530QT-EA) for outstanding protection in this application.

AMSOIL product recommendations

Based on the AMSOIL lookup for the 2015 Ram Promaster 2500 3.0L Diesel, the following products are recommended for your maintenance needs:

Engine Oil & Filters

Product Name Part Code
AMSOIL 5W-30 100% Synthetic Diesel Oil DP530QT-EA

Note: No specific oil filter recommendations are available from the source data.

Coolant & Antifreeze

Product Name Part Code
AMSOIL Passenger Car & Light Truck Antifreeze & Coolant ANTPC1G-EA
AMSOIL Propylene Glycol Antifreeze and Engine Coolant ANT1G-EA

Transmission & Gear Fluids

Product Name Part Code
AMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF ATFPK-EA
AMSOIL OE Multi-Vehicle 100% Synthetic ATF OTFQT-EA
AMSOIL 75W-90 Manual Transmission & Transaxle Gear Lube MTGPK-EA

Brake, Clutch & Steering Fluids

Product Name Part Code
AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid BFLVCN-EA
AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid PSFCN-EA

Diesel Fuel Additives

Product Name Part Code
AMSOIL Diesel Injector Clean Fuel Additive ADFPCN-EA
AMSOIL Diesel Cetane Boost Fuel Additive ACBCN-EA

Engine Oil Specifications & Details

Proper lubrication is vital for the 3.0L diesel engine to maintain performance and longevity, especially under commercial duty cycles.

Oil Viscosity & Grade

Parameter Specification
Viscosity 5W-30 (All TEMPS)
AMSOIL lookup oil grade SEO54

Oil Capacity & Torque Specs

Component Specification
Oil Capacity (with filter) 9.5 quarts
Oil Drain Plug Torque 33 ft/lbs

Maintenance Note: Always install a new washer on the drain bolt and only use an OE drain plug. After refilling, always check the oil level.

Transmission & Drivetrain Specifications

Automatic Transmission (62TE)

Type Capacity
Total Fill 9 quarts
Initial Fill 5.5 quarts

Manual Transmission (MT40)

Parameter Specification
Viscosity/Spec GL-4 75W-85 (All TEMPS)
Capacity (Transmission portion) 6.1 pints
Drain Plug Torque 37 ft/lbs
Fill Plug Torque 37 ft/lbs

Note: The manual transmission requires a synthetic-based oil.

Cooling System Specifications

Parameter Specification
Total Capacity 12.7 quarts

The AMSOIL lookup lists two options: a 50/50 pre-mix (ANTPC1G-EA) and a concentrated version (ANT1G-EA) which requires mixing with distilled or high-quality water.

Diesel maintenance notes for this vehicle

  • Fuel System: Given the commercial nature of the ProMaster, maintaining fuel system cleanliness is a priority.
  • Cooling Management: Robust cooling system management is essential for diesel engines operating under high-stress conditions.
  • Turbocharger Health: Regular maintenance should prioritize turbocharger health and oil quality to prevent premature wear.

Common maintenance concerns for this vehicle

Based on NHTSA consumer reports, owners of the 2015 Ram Promaster 2500 have noted several areas for attention:

  • Engine Cooling: There are reports regarding cooling fan failures and radiator/hose issues.
  • Power Train & Electrical: Some complaints involve accelerator pedal response and power control module/wiring failures.
  • General Engine Performance: Reports of abnormal shuddering have been noted, which may relate to engine or cooling components.

Note: NHTSA complaint summaries are owner reports and should not be treated as verified defects.

Common diesel oil-related concerns and how AMSOIL products may help

Concern Why it matters AMSOIL product from this lookup How it may help Important limitation
Injector Deposits Dirty injectors reduce efficiency and power. ADFPCN-EA Cleans dirty injectors and lubricates pumps. Does not repair mechanical damage.
Low Cetane/Performance Affects startability and smoothness. ACBCN-EA Increases cetane up to 8 points and improves startability. Does not change fuel grade.
Engine Wear High duty cycles cause component wear. DP530QT-EA Provides up to 6X more wear protection than industry standards. Requires regular change intervals.

Recall, TSB, and manufacturer communication notes

Official NHTSA recall research for the 2015 Ram Promaster 2500 returned no specific recall records at this time. However, owners should always verify open recalls by VIN, as applicability can depend on production date, equipment, and specific trim levels.

About this vehicle

The 2015 Ram ProMaster 2500 is a commercial-grade van that belongs to the broader Ram Trucks family, a division of Stellantis North America. While the ‘Ram’ nameplate is famously associated with heavy-duty pickup trucks like the 2500 and 3500 series, the ProMaster line serves as a dedicated commercial vehicle platform.

Based on research into the model’s lineage, the ProMaster is closely related to the Fiat Ducato, a light commercial vehicle developed through a joint venture involving FCA Italy. This connection suggests that many mechanical components and service procedures may share commonalities with European-market vans like the Citroën Jumper or Peugeot Boxer.

The specific 3.0L 4-cylinder diesel turbo engine is designed for high-duty cycles and heavy payloads, making it ideal for delivery services, trades, and mobile workshops. Because these vehicles often operate under high-stress commercial conditions, maintenance schedules generally prioritize fuel system cleanliness, turbocharger health, and robust cooling system management. Owners should focus on preventative maintenance to avoid downtime in professional environments.

Common questions about this vehicle’s diesel oil and maintenance

What is the oil capacity for my 2015 Ram Promaster 3.0L Diesel?

The capacity is 9.5 quarts when performing an oil change with a new filter installed.

What viscosity should I use for the diesel engine?

The AMSOIL lookup specifies a viscosity of 5W-30 for all temperatures.

How much transmission fluid does the 62TE automatic transmission take?

For a total fill, it requires 9 quarts; however, an initial fill is approximately 5.5 quarts.

Can I use any antifreeze in my ProMaster?

The AMSOIL lookup lists options like the Passenger Car & Light Truck Antifreeze/Coolant (ANTPC1G-EA) or a concentrated Propylene Glycol version (ANT1G-EA). Always check your manual for specific requirements.

What torque is required for the oil drain plug?

The oil drain plug should be torqued to 33 ft/lbs. Ensure you use an OE drain plug and a new washer.

How can I improve diesel engine performance and startability?

Using additives like ACBCN-EA can help increase cetane and improve startability.


Disclaimer: This information is derived from AMSOIL lookup data and NHTSA research. Always consult your vehicle’s owner manual to confirm exact specifications, capacities, and maintenance intervals before performing any service.

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