What oil does a 2008 Jeep Grand Cherokee 3.0L Diesel Turbo take?
The 2008 Jeep Grand Cherokee with the 3.0L 6-cylinder Engine Code [M] Diesel Turbo requires a 5W-30 viscosity oil. For a standard oil change including the filter, the capacity is 10 quarts. AMSOIL recommends using AMSOIL 5W-30 100% Synthetic Diesel Oil (Product Code: DP530QT-EA) for outstanding protection.
AMSOIL product recommendations
Based on the AMSOIL lookup, here are the recommended products for your 2008 Jeep Grand Cherokee diesel engine and related systems:
Engine Oil & Filter
| Product Name | Part/Code |
|---|---|
| AMSOIL 5W-30 100% Synthetic Diesel Oil | DP530QT-EA |
| MANN-FILTERS Oil Filter | HU821X-EA |
Air & Cooling Systems
| Product Name | Part/Code |
|---|---|
| WIX Air Filter | 42329-EA |
| AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
Transmission Fluid
| Product Name | Part/Code |
|---|---|
| AMSOIL Signature Series Multi-Vehicle ATF | ATFPK-EA |
| AMSOIL OE Multi-Vehicle ATF | OTFQT-EA |
Engine Oil Specifications & Details
Proper lubrication is vital for the longevity of the 3.0L diesel turbo engine. Below are the confirmed technical specifications for your oil service.
Oil Viscosity and Grade
| Specification | Value |
|---|---|
| Oil Viscosity | 5W-30 (All TEMPS) |
| AMSOIL Lookup Oil Grade | SEO10 |
Oil Capacity and Torque
| Component | Capacity/Torque |
|---|---|
| Engine Oil Capacity (with filter) | 10 quarts |
| Oil Drain Plug Torque | 22 ft/lbs |
Critical Maintenance Note: Any time the oil is drained and filled, it is critical to wait 15 minutes before starting the engine. Before checking the engine oil level, turn the engine off and wait 15 minutes for the oil to return to the oil pan.
Automatic Transmission Fluid Specifications
The transmission requirements vary depending on your specific drivetrain configuration (RWD vs 4WD). The AMSOIL lookup notes that Mopar ATF+4 P/N 05013457AA is referenced for these applications.
545RFE RWD Configuration
| Metric | Value |
|---|---|
| Total Fill Capacity | 14.1 quarts |
| Initial Fill Capacity | 5.5 quarts |
545RFE 4WD Configuration
| Metric | Value |
|---|---|
| Total Fill Capacity | 14.1 quarts |
| Initial Fill Capacity | 6.6 quarts |
W5J400 & W5A580 Configurations
| Transmission | Total Fill | Initial Fill |
|---|---|---|
| W5J400 | 8.1 quarts | 5.3 quarts |
| W5A580 | 8.1 quarts | 5.3 quarts |
Note for W5J400/W5A580: The fluid level is preset at the factory and does not require adjustment under normal conditions. If a leak occurs, check with a dealer to have the level inspected.
Diesel maintenance notes for this vehicle
- Oil Filter: The MANN-FILTERS HU821X-EA offers premium media that helps reduce engine wear and provides OEM drain intervals.
- Air Filtration: Using a WIX Air Filter (42329-EA) can help reduce engine wear and maintain OEM service intervals.
- Coolant Maintenance: For the cooling system, AMSOIL offers both a 50/50 pre-mix (ANTPC1G-EA) and a concentrated version (ANT1G-EA) that requires mixing with distilled or high-quality water.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Wear Protection | Diesel engines face high pressure and friction. | DP530QT-EA | Delivers up to 6X more wear protection than leading industry standards. | Requires regular interval changes. |
| Temperature Extremes | Cold starts or high heat can degrade oil. | DP530QT-EA | Excels in hot and cold temperature extremes. | Not a substitute for mechanical repair. |
| Fuel Economy/Consumption | Diesel efficiency is key for long hauls. | DP530QT-EA | Retains viscosity for increased fuel economy and minimizes consumption. | Depends on driving habits. |
Common maintenance concerns for this vehicle
Based on owner reports and research, owners of the 2008 Jeep Grand Cherokee should be aware of several areas that may require attention:
- Electrical System: This is a frequent area of concern in various models.
- Ignition Issues: Some users have reported issues with ignition switches or keys sticking.
- Transfer Case: Potential electrical failures in the transfer case may occur in some 4WD models.
- Engine/Cooling: Monitoring for leaks and maintaining proper coolant levels is essential for diesel longevity.
Recall, TSB, and manufacturer communication notes
The following official NHTSA recall information has been identified for the 2008 Jeep Grand Cherokee. Always verify your specific VIN with a dealer to confirm open recalls.
- Ignition Switch (Campaign 14V567000): The ignition key (FOBIK) may not return to the “ON” position, potentially causing the engine to turn off while driving. This can depower safety systems like air bags and power steering.
- Transfer Case (Campaign 13V175000): A transfer case electrical failure may result in an unintentional shifting into neutral, which could cause the vehicle to roll away.
Note: NHTSA complaints are owner reports and should not be treated as verified defects.
About this vehicle
The 2008 Jeep Grand Cherokee is part of the third generation (WK) of the Grand Cherokee line, which was produced between 2005 and 2010. This generation moved away from body-on-frame construction in favor of a unibody chassis design, introducing modern refinements such as independent front suspension.
The specific 3.0L 6-cylinder diesel turbo engine is a significant variant often associated with international markets. Diesel versions of the Grand Cherokee are frequently utilized for their torque characteristics, making them suitable for heavy-duty towing and long-distance cruising. Because diesel engines operate under unique thermal and pressure profiles compared to gasoline engines, maintenance focus typically centers on fuel system integrity, turbocharger health, and specialized filtration requirements.
Owners of this vehicle often prioritize monitoring glow plug performance and maintaining high-quality diesel-specific fluids to ensure long-term reliability. As with any complex diesel powertrain, adhering to strict lubrication and filtration schedules is a common priority for those seeking to maximize the utility of this mid-sized SUV.
Common questions about this vehicle’s diesel oil and maintenance
How much oil does my 3.0L Diesel Jeep take?
It takes 10 quarts of oil when performing a service that includes the filter replacement.
What is the correct oil viscosity for the 2008 Grand Cherokee diesel?
The recommended viscosity is 5W-30 for all temperature ranges.
Can I use any antifreeze in my Jeep?
The AMSOIL lookup lists ANTPC1G-EA, which is compatible with all other antifreeze and coolant colors.
How do I prevent engine wear in my diesel Jeep?
Using high-quality synthetic oils like DP530QT-EA and premium filters like the MANN-FILTERS HU821X-EA can help reduce wear.
What should I do if my ignition sticks?
If you experience ignition issues, check for NHTSA recall campaign 14V567000 and contact a dealer for a free replacement of the ignition switch/FOBs if applicable.
How often should I change my transmission fluid?
While specific intervals are not provided in this lookup, maintaining the correct fluid (such as AMSOIL Signature Series ATFPK-EA) is vital for heavy towing and high temperatures.
Disclaimer: Information provided is based on available source data. Always consult your owner’s manual or a certified professional before performing maintenance. Verify all recalls by VIN through official manufacturer channels.