Walker 82444

Walker CalCat CARB 82444 Direct Fit Catalytic Converter

Instruction Manual

1. Product Overview

The Walker® CalCat® 82444 catalytic converter is designed for professional installation, offering both high performance and compliance with emissions standards. This converter is CARB certified, making it suitable for vehicles requiring California emissions standards. It features a robust stainless-steel body for durability and resistance to demanding conditions.

Its direct-fit design simplifies installation, eliminating the need for additional modifications. The precision-engineered internal substrate optimizes exhaust flow while maintaining stringent emissions standards. As part of the Walker® CalCat® line, this catalytic converter provides a reliable solution for emissions repair, supporting optimal exhaust performance and longevity.

Walker CalCat CARB 82444 Catalytic Converter

Image: The Walker CalCat CARB 82444 Direct Fit Catalytic Converter, showing its integrated exhaust manifold and catalytic converter body.

2. Compatibility

This catalytic converter is compatible with specific Honda Civic and Civic del Sol models. Please verify your vehicle's information before purchase to ensure proper fitment.

  • 1996-2000 Honda Civic
  • 1996-1997 Honda Civic del Sol

Important: Before purchasing, research to ensure that the part will fit your vehicle. Enter all vehicle information (year, make, model, engine, and trim) for compatibility and check any qualifier notes.

3. Key Features

  • CARB Compliant: EO# D-182-50. Suitable for OBDII vehicles (1996 and newer) and non-OBD (1995 and older) in states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
  • Direct-Fit Design: Features a bolt-off, bolt-on OE-style converter with integrated manifold assemblies that attach directly to the engine cylinder head and match all downstream connections.
  • Superior Technology: Utilizes an optimal high-technology washcoat formulated to deliver superior performance compared to EPA-compliant converters.
  • Consistent Performance: Employs a precise OE-style coating process to apply catalyst material to the substrate, ensuring consistent performance for assured emissions compliance.
  • Strong and Durable: Constructed with thick OE-style flanges, hangers, and brackets for strength, and a stainless-steel body with aluminized pipe and heat shields for enhanced durability.
CARB Compliant Logo

Image: Official CARB Compliant logo for Walker CalCat Converters, indicating compliance with California Air Resources Board standards.

EPA Compliant Logo

Image: Official EPA Compliant logo for Walker Ultra Converters, indicating compliance with Environmental Protection Agency standards.

No Break-In Required

Image: Text indicating "NO BREAK-IN REQUIRED" for the catalytic converter, highlighting its readiness for immediate operation.

Keeps Check Engine Light Off

Image: Text indicating "KEEPS THE CHECK ENGINE LIGHT OFF", emphasizing the converter’s effectiveness in preventing emissions-related error codes.

4. Setup and Installation

The Walker CalCat 82444 is designed for direct-fit installation, simplifying the replacement process. Professional installation is recommended due to the specialized nature of exhaust system components.

4.1 Pre-Installation Checks

  • Ensure the vehicle’s exhaust system is cool before beginning work.
  • Verify that the new converter matches the old unit in terms of flange orientation and pipe routing.
  • Inspect all mounting points and surrounding components for damage or corrosion that may affect installation.
  • Gather necessary tools, including wrenches, sockets, and potentially a cutting tool if the old unit is seized.

4.2 Installation Procedure (General Steps)

  1. Safely lift and support the vehicle.
  2. Locate the existing catalytic converter and integrated manifold assembly.
  3. Disconnect any oxygen sensors or other electrical connections attached to the converter.
  4. Unbolt the old converter from the engine cylinder head and any downstream connections.
  5. Carefully remove the old unit.
  6. Position the new Walker CalCat 82444 converter, aligning its flanges with the engine and downstream exhaust pipe.
  7. Securely bolt the new converter into place, ensuring all connections are tight to prevent exhaust leaks.
  8. Reconnect any oxygen sensors or electrical connections.
  9. Lower the vehicle and perform a final inspection for proper fitment and clearance.
Mechanic installing an exhaust component

Image: A mechanic working underneath a vehicle, installing an exhaust component, demonstrating the typical environment for catalytic converter installation.

Close-up of exhaust flanges

Image: A close-up view of exhaust flanges, highlighting the robust construction and precise fitment points of the component.

5. Operating Principles

The catalytic converter is a crucial component of your vehicle’s exhaust system, designed to reduce harmful emissions. It converts toxic pollutants in exhaust gas into less toxic pollutants by catalyzing redox reactions.

  • Oxidation Catalyst: Converts carbon monoxide (CO) to carbon dioxide (CO2) and unburnt hydrocarbons (HC) to carbon dioxide (CO2) and water (H2O).
  • Reduction Catalyst: Converts nitrogen oxides (NOx) to nitrogen (N2) and oxygen (O2).

The Walker CalCat 82444 is engineered to maintain optimal exhaust flow and ensure compliance with stringent emissions standards throughout its operational life.

6. Maintenance

Catalytic converters are generally maintenance-free components. However, their longevity and performance are directly linked to the overall health of your vehicle’s engine and exhaust system.

6.1 General Recommendations

  • Regular Engine Maintenance: Ensure your engine is properly tuned, and spark plugs, air filters, and fuel injectors are in good condition. A well-maintained engine prevents unburnt fuel from reaching and damaging the converter.
  • Address Engine Misfires: Promptly address any engine misfires, as unburnt fuel entering the exhaust can overheat and damage the catalytic converter.
  • Check for Exhaust Leaks: Periodically inspect the exhaust system for leaks, which can affect sensor readings and converter efficiency.
  • Avoid Contaminants: Prevent the use of leaded fuel or excessive oil consumption, as these can contaminate the catalyst materials.

7. Troubleshooting

While the Walker CalCat 82444 is a durable component, issues can arise, often indicated by a "Check Engine Light" or changes in vehicle performance. Common problems are usually related to the engine’s overall health rather than the converter itself.

7.1 Common Symptoms and Solutions

Symptom Possible Cause Recommended Action
Check Engine Light (P0420/P0430 codes) Catalyst efficiency below threshold, often due to engine misfires, oxygen sensor issues, or exhaust leaks. Diagnose and repair underlying engine issues (e.g., spark plugs, fuel injectors, O2 sensors). Consult a professional for diagnosis.
Reduced Engine Performance / Loss of Power Clogged or restricted catalytic converter. Inspect exhaust back pressure. If converter is clogged, it may need replacement. Address engine issues causing clogging.
Rattling Noise from Exhaust Damaged internal substrate (monolith) within the converter. Inspect the converter for physical damage. Replacement may be necessary.
Strong Sulfur (Rotten Egg) Smell Converter not efficiently processing sulfur in fuel, or rich fuel mixture. Check fuel system for rich conditions. Ensure proper engine tune-up.

For accurate diagnosis and repair, it is always recommended to consult a certified automotive technician.

8. Specifications

Attribute Detail
Brand Walker
Model Number 82444
Manufacturer Walker Exhaust
Item Weight 14 pounds (6.35 kg)
Product Dimensions 22.3 x 17.2 x 7.8 inches (56.6 x 43.7 x 19.8 cm)
CARB Compliance Yes, EO# D-182-50
Design Direct-Fit with Integrated Manifold
Material Stainless-steel body with aluminized pipe and heat shields

9. Warranty and Support

Walker products are manufactured to high standards and are typically backed by a manufacturer’s warranty. Specific warranty details, including coverage period and terms, may vary. Please refer to the official Walker website or contact their customer support for the most accurate and up-to-date warranty information.

For technical assistance, installation questions, or warranty claims, please contact Walker customer support directly. Ensure you have your product model number (82444) and purchase details available when contacting support.

Online Resources: For additional information and resources, visit the official Walker website or consult reputable automotive repair guides.

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