DNJ FGS2028
DNJ FGS2028 Full Gasket Set Instruction Manual
For 2003-2011 Acura, Honda Accord, CR-V, Element 2.4L L4 16V DOHC 2354cc Engines
Product Overview
The DNJ FGS2028 Full Gasket Set is a comprehensive kit designed to replace all necessary gaskets and seals during an engine overhaul or repair. This set ensures a complete and proper seal for various engine components, preventing leaks and maintaining optimal engine performance. It is engineered to meet or exceed OEM specifications for fit, form, and function.
This specific gasket set is compatible with select Acura and Honda vehicles equipped with the 2.4L L4 16V DOHC 2354cc engine, including specific models of Accord, CR-V, and Element from 2003 to 2011.
Compatibility
The DNJ FGS2028 Full Gasket Set is specifically designed for the following vehicle applications and engine designations:
- Vehicle Models: 2003-2011 Acura, Honda Accord, Honda CR-V, Honda Element
- Engine Type: 2.4L L4 16V DOHC (Dual Overhead Camshaft)
- Engine Displacement: 2354cc
- Engine Designations: K24A2, K24A4, K24A8, K24Z1
It is crucial to verify your vehicle's exact make, model, year, and engine code to ensure proper fitment before installation.
Components Overview
The DNJ FGS2028 Full Gasket Set includes a comprehensive collection of gaskets and seals required for a complete engine rebuild or major repair. While the exact contents may vary slightly, a typical set includes:

Figure 1: Overview of the complete DNJ FGS2028 Full Gasket Set, showing all included components such as the head gasket, valve cover gasket, manifold gaskets, and various seals.

Figure 2: Detailed view of the cylinder head gasket (top, black) and the valve cover gasket (bottom, blue) with associated valve stem seals. These are critical components for sealing the combustion chambers and valve train.

Figure 3: An assortment of smaller gaskets and seals from the kit, including crankshaft seals, camshaft seals, exhaust manifold gaskets, intake manifold gaskets, and various O-rings and crush washers.
- Cylinder Head Gasket: Seals the combustion chambers and coolant/oil passages between the cylinder head and engine block.
- Valve Cover Gasket: Seals the valve cover to the cylinder head, preventing oil leaks from the top of the engine.
- Intake Manifold Gasket: Seals the intake manifold to the cylinder head, preventing vacuum leaks and ensuring proper air/fuel mixture delivery.
- Exhaust Manifold Gasket: Seals the exhaust manifold to the cylinder head, preventing exhaust gas leaks.
- Valve Stem Seals: Prevent oil from entering the combustion chamber past the valve stems.
- Crankshaft Front Seal: Seals the front of the crankshaft, preventing oil leaks.
- Crankshaft Rear Seal: Seals the rear of the crankshaft, preventing oil leaks (often referred to as the main seal).
- Camshaft Seals: Seal the camshafts, preventing oil leaks.
- Oil Pan Gasket: Seals the oil pan to the engine block, preventing oil leaks from the bottom of the engine.
- Various O-rings and Seals: For components such as water pump, thermostat housing, and other auxiliary parts.
Setup and Installation
Installation of a full gasket set requires advanced mechanical knowledge, specialized tools, and adherence to manufacturer specifications. It is highly recommended that installation be performed by a certified automotive technician. Improper installation can lead to severe engine damage, leaks, and voided warranties.
General Installation Guidelines (Professional Installation Recommended):
- Preparation:
- Ensure the engine is cool and disconnected from the battery.
- Drain all necessary fluids (coolant, engine oil).
- Carefully remove all components obstructing access to the gaskets (e.g., intake manifold, exhaust manifold, cylinder head, timing components).
- Surface Cleaning:
- Thoroughly clean all mating surfaces on the engine block, cylinder head, manifolds, and covers. Remove all old gasket material, carbon deposits, and oil residue.
- Use appropriate gasket scrapers and cleaning solvents. Ensure surfaces are smooth and free of nicks or scratches.
- Inspection:
- Inspect all engine components for wear, cracks, or damage. Address any issues before installing new gaskets.
- Check cylinder head and block for warpage using a straight edge and feeler gauge. Machining may be required if warpage is present.
- Gasket Placement:
- Install new gaskets carefully, ensuring correct orientation and alignment.
- Some gaskets may require a thin layer of RTV sealant in specific areas as per the vehicle manufacturer's service manual. Consult the vehicle's service manual for exact procedures.
- Torque Specifications:
- Tighten all bolts to the vehicle manufacturer's specified torque values and sequences. This is critical for proper sealing and preventing component damage.
- Use a calibrated torque wrench.
- Reassembly:
- Reinstall all removed components in reverse order.
- Refill engine with appropriate fluids (engine oil, coolant).
Always refer to the specific service manual for your vehicle model for detailed, step-by-step instructions, torque specifications, and special tool requirements.
Operating Considerations
Once the DNJ FGS2028 Full Gasket Set is properly installed, the engine should operate as designed, free from leaks and with restored compression and fluid containment. Proper operation relies on the integrity of these seals.
Post-Installation Checks:
- Fluid Levels: After initial startup and warm-up, recheck all fluid levels (engine oil, coolant) and top up as necessary.
- Leak Inspection: Visually inspect all gasket mating surfaces for any signs of fluid leaks (oil, coolant, fuel) or exhaust gas leaks.
- Engine Performance: Monitor engine temperature, idle quality, and overall performance. Any unusual noises, smoke, or performance issues should be investigated immediately.
- Break-in Period: Follow any recommended engine break-in procedures if a significant rebuild was performed.
Maintenance
Gaskets themselves generally do not require routine maintenance once installed. Their longevity is primarily dependent on proper installation and the overall health of the engine. However, regular engine maintenance practices contribute to the lifespan of all engine components, including gaskets.
Key Maintenance Practices:
- Regular Oil Changes: Use the correct type and viscosity of engine oil as specified by the vehicle manufacturer and adhere to recommended oil change intervals. Clean oil helps prevent sludge buildup that can degrade seals.
- Coolant System Maintenance: Ensure the cooling system is properly maintained, with clean coolant and no air pockets. Overheating is a primary cause of head gasket failure.
- Avoid Overheating: Monitor engine temperature and address any cooling system issues promptly to prevent overheating, which can severely damage gaskets.
- Fluid Leak Checks: Periodically inspect for any signs of fluid leaks around the engine. Early detection of a minor leak can prevent more significant issues.
- Proper Torque: While not a maintenance item, ensuring all fasteners are torqued correctly during installation is crucial for long-term gasket integrity.
Troubleshooting
If issues arise after installing the gasket set, they often relate to improper installation or pre-existing engine conditions. Common symptoms and potential causes include:
| Symptom | Possible Cause | Resolution |
|---|---|---|
| Oil or Coolant Leaks | Improper gasket seating, incorrect torque, damaged mating surface, incorrect gasket type. | Re-inspect installation, verify torque, clean/repair mating surfaces, replace affected gasket. |
| Engine Overheating | Head gasket failure (combustion gases entering coolant), air in cooling system, cooling system issues. | Perform cooling system pressure test, check for combustion gases in coolant, bleed air, diagnose cooling system. |
| Loss of Engine Power / Misfires | Head gasket failure (loss of compression between cylinders), vacuum leaks (intake manifold gasket). | Perform compression test, vacuum leak test, inspect manifold gaskets. |
| White Smoke from Exhaust | Coolant burning in combustion chamber (head gasket failure). | Diagnose head gasket integrity, check coolant level. |
| Blue Smoke from Exhaust | Oil burning in combustion chamber (valve stem seals, piston rings, or other oil control issues). | Inspect valve stem seals, perform compression/leak-down test. |
If you encounter any of these symptoms, it is advisable to consult a qualified automotive technician for diagnosis and repair.
Specifications
- Part Number: FGS2028
- Condition: New
- Engine Compatibility: 2.4L L4 16V DOHC 2354cc (K24A2, K24A4, K24A8, K24Z1)
- Vehicle Compatibility: 2003-2011 Acura, Honda Accord, CR-V, Element
- Interchange Part Numbers: HS26337PT & CS26243
- Item Weight: Approximately 1.8 pounds
- Product Dimensions: Approximately 22.03 x 10.24 x 3.87 inches
- Manufacturer: DNJ ENGINE COMPONENTS
- Brand: DNJ
- UPC: 849500007696
Warranty Information
All DNJ® Parts, including the FGS2028 Full Gasket Set, carry a limited warranty. This warranty is valid for 1 year or 12,000 miles, whichever occurs first, from the date of purchase.
The warranty is limited to the replacement of a defective product only. It does not cover labor costs, incidental, or consequential damages. For full warranty terms and conditions, please refer to the official DNJ Engine Components warranty policy or contact their customer support.
Support and Contact
For technical assistance, warranty claims, or further inquiries regarding your DNJ FGS2028 Full Gasket Set, please contact DNJ Engine Components directly or the authorized reseller from whom you purchased the product.
You can often find contact information on the official DNJ Engine Components website or through your purchase documentation.
Note: Always provide your product model number (FGS2028) and proof of purchase when seeking support.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.