Quick Oil Change Reference for 2009 Ford F-350 (6.4L Diesel)
For a 2009 Ford F-350 Pickup with the 6.4L 8-cylinder Engine Code [R] R Diesel Turbo, the oil capacity is 15 quarts with a filter change. Recommended viscosities include 10W-30 for temperatures between -18 to 10°C and 5W-40 or 15W-40 for heavy-duty driving and trailer towing. AMSOIL recommends using Signature Series Max-Duty Synthetic Diesel Oil paired with an AMSOIL Oil Filter for superior protection.
What oil does a 2009 Ford F-350 6.4L Diesel take?
The required viscosity for your 2009 Ford F-350 depends on ambient temperatures and driving conditions. For temperatures below 10°C, 0W-30 or 0W-40 may be used. Between -18 to 10°C, 10W-30 is appropriate. Above -7°C, 15W-40 can be used, though the AMSOIL lookup notes that 5W-40 or 15W-40 must be used for heavy-duty driving and trailer towing.
AMSOIL Product Recommendations
The following products are specifically listed for the 2009 Ford F-350 6.4L Diesel engine to assist with routine maintenance and heavy-duty performance.
Engine Oil Options
| Product Name | Viscosity | Part Code |
|---|---|---|
| AMSOIL Signature Series Max-Duty Diesel Oil | 5W-40 | DEOQT-EA |
| AMSOIL Signature Series Max-Duty Diesel Oil | 10W-30 | DTTQT-EA |
| AMSOIL Heavy-Duty Synthetic Diesel Oil | 5W-40 | ADOQT-EA |
| AMSOIL Heavy-Duty Synthetic Diesel Oil | 10W-30 | ADNQT-EA |
Oil Filter Options
| Product Name | Part Code |
|---|---|
| AMSOIL Oil Filter | EA15K88-EA |
| WIX XP Oil Filter | 57312XP-EA |
| AMSOIL SDF88 Oil Filter | SDF88-EA |
Other Maintenance Fluids
| Product Name | Part Code |
|---|---|
| AMSOIL Passenger Car & Light Truck Antifreeze/Coolant | ANTPC1G-EA |
| Donaldson P-Series Heavy Duty Air Filters | P613522-EA |
Engine Oil Specifications & Details
| Detail | Value |
|---|---|
| Oil Capacity | 15 quarts (with filter) |
| Oil Drain Plug Torque | 32 ft/lbs |
| AMSOIL Lookup Oil Grade | SEO84 |
Important Specification Note: The AMSOIL lookup note references Ford Material Engineering Specification WSS-M2C171-F1. It notes that for older diesel engines, including the 6.4L, Ford recommends oils meeting WSS-M2C171-F1 rather than CK-4 motor oils to ensure adequate wear protection.
Diesel maintenance notes for this vehicle
- Oil Level Check: Always check the oil level after refilling the engine.
- Towing Requirements: For heavy-duty driving or trailer towing, use 5W-40 or 15W-40 viscosity.
- Filtration: High-quality filtration is critical for managing diesel combustion byproducts in high-pressure common rail systems.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Heavy-Duty Towing | Increases engine heat and stress. | Signature Series 5W-40 DEOQT-EA | Designed to maintain viscosity under high heat. | Requires proper service intervals. |
| Engine Wear | Diesel engines face extreme pressures. | Signature Series 10W-30 DTTQT-EA | Delivers up to 6X more wear protection based on Detroit Diesel testing. | Not a repair for existing damage. |
| Soot & Contaminants | Diesel combustion creates soot buildup. | AMSOIL Oil Filter EA15K88-EA | Provides 99% filtering efficiency at 20 microns. | Must be changed according to schedule. |
Common maintenance concerns for this vehicle
Based on NHTSA consumer reports, owners of the 2009 Ford F-350 have reported various issues. While these are owner reports and not verified defects, they highlight areas for regular inspection:
- Steering & Suspension: Multiple complaints regarding “death wobble” or violent shaking in the steering components.
- Tires: Reports of uneven wear or vibration; one recall specifically addressed Continental Contitrac tires that could experience belt edge separation.
- Electrical Systems: A recall was issued for certain battery equalizers/converters that could become conductive when exposed to heat, increasing fire risk.
Recall, TSB, and manufacturer communication notes
Official NHTSA research indicates the following recalls for the 2009 Ford F-350:
- Electrical System: Recall regarding Sure Power battery equalizers or DC-DC converters that may conduct electricity after heat exposure (Campaign 14V070000).
- Tires: Recall for certain Continental Contitrac tires due to potential belt edge separation (Campaign 11T002000).
- Equipment/PTO: Recall regarding PJ’s Truck Bodies PTO assemblies where oil may leak onto exhaust thermal blankets (Campaign 14V498000).
Note: Always verify open recalls by checking your specific VIN through the NHTSA website or a Ford dealership.
About this vehicle
The 2009 Ford F-350 is a prominent member of the Ford Super Duty series, engineered for high-capacity tasks and significant payloads. Unlike lighter models like the F-150, the F-350 utilizes dedicated chassis components designed to support heavy towing and commercial applications.
This specific model features the Ford Power Stroke V8 diesel engine, a hallmark of Ford’s heavy-duty lineup known for providing the torque necessary for Class 2 and Class 3 operations. Because these engines are often used in demanding environments—such as hauling large fifth-wheel trailers or performing commercial work—maintenance typically focuses on high-pressure fuel systems, turbocharger health, and robust filtration to manage diesel combustion byproducts.
Owners of the 6.4L Power Stroke often research maintenance strategies to address the unique demands placed on the powertrain and cooling systems. Proper fluid management is essential for maintaining the durability that the Super Duty platform is known for.
Common questions about this vehicle’s diesel oil and maintenance
How much oil does my 2009 Ford F-350 6.4L take?
The engine requires 15 quarts of oil when performing a service that includes a filter change.
What is the correct oil viscosity for towing?
For heavy-duty driving and trailer towing, the AMSOIL lookup recommends using 5W-40 or 15W-40 viscosity.
How much should I torque the oil drain plug?
The oil drain plug for this vehicle should be torqued to 32 ft/lbs.
Does my F-350 need a specific diesel oil specification?
The AMSOIL lookup note references Ford Material Engineering Specification WSS-M2C171-F1 for this application. It notes that Ford recommends this spec over CK-4 for older diesel engines like the 6.4L to ensure better wear protection.
Can I use a synthetic oil in my 6.4L Power Stroke?
Yes, AMSOIL offers Signature Series Max-Duty Synthetic Diesel Oil (such as DTTQT-EA) which is designed for high-performance diesel applications.
How do I check for recalls on my truck?
You should verify current recalls by using your Vehicle Identification Number (VIN) on the official NHTSA website or contacting a Ford dealer directly.
Disclaimer: This information is derived from provided source data. Always consult your owner’s manual and a certified mechanic before performing vehicle maintenance.