maXpeedingrods Aluminum Engine Valve Cover Instruction Manual

1. Introduction

This manual provides detailed instructions for the installation, maintenance, and troubleshooting of your maXpeedingrods Aluminum Engine Valve Cover Kit. This kit is designed to replace original plastic valve covers, offering enhanced durability and improved temperature resistance. Please read all instructions carefully before proceeding with installation.

2. Vehicle Compatibility & OEM Numbers

This aluminum valve cover kit is compatible with the following vehicles equipped with the VQ35DE 3.5L V6 DOHC engine:

• Nissan 350Z: 3.5L 3498CC V6 DOHC (2003-2007)
• Infiniti G35: 3.5L 3498CC V6 DOHC (2003-2007)
• Infiniti FX35: 3.5L 3498CC V6 DOHC (2003-2008)
• Infiniti M35: 3.5L 3498CC V6 DOHC (2006-2008)

Replaces OEM Part Numbers:

• Left Side: 13264-AM610, 13264AM610, 036-0009, 13270-8J102
• Right Side: 13264-AM600, 13264AM600, 036-0008, 13270-8J112

Note: Please verify the OEM part numbers before purchase to ensure correct fitment for your vehicle.

3. Product Features

The maXpeedingrods Aluminum Engine Valve Cover Kit offers several key features designed for performance and longevity:

• Durable Aluminum Construction: Manufactured from aluminum for increased strength and resistance to cracking, offering a longer service life compared to original plastic components.
• Complete Kit: Includes both left and right valve covers, gaskets, and necessary bolts for a comprehensive replacement.
• Integrated Oil Cap: Designed to prevent oil leakage and ensure excellent sealing performance.
• Precise Fitment: Engineered to match original equipment specifications for proper installation and function.

Image: Detailed view of the aluminum valve covers highlighting key components.

Image: Underside of the valve cover with gasket for optimal sealing.

4. Package Contents

Your maXpeedingrods Aluminum Engine Valve Cover Kit includes the following items:

• 1 x Left Aluminum Engine Valve Cover
• 1 x Right Aluminum Engine Valve Cover
• 2 x Valve Cover Gaskets (pre-installed or separate)
• 1 x Oil Filler Cap
• Necessary Mounting Bolts
• PCV Valve and Hoses (as applicable)

Image: Complete kit contents including both valve covers, gaskets, bolts, and oil cap.

5. Installation Guide

Professional installation is highly recommended. If you lack experience with automotive repairs, consult a qualified mechanic. Always refer to your vehicle's specific service manual for detailed torque specifications and procedures.

General Installation Steps:

1. Preparation: Ensure the engine is cool. Disconnect the battery.
2. Remove Components: Carefully remove the intake manifold, ignition coils, spark plug wires, and any other components obstructing access to the valve covers.
3. Drain Oil (Optional): If necessary, drain a small amount of engine oil to prevent spills during cover removal.
4. Remove Old Valve Covers: Loosen and remove the bolts securing the old valve covers. Carefully pry off the old covers, ensuring not to damage the cylinder head surface.
5. Clean Surfaces: Thoroughly clean the mating surfaces on the cylinder head and the new valve covers. Remove all traces of old gasket material, oil, and debris. Ensure surfaces are dry.
6. Install New Gaskets: Place the new valve cover gaskets onto the new aluminum valve covers. Ensure they are seated correctly in the grooves.
7. Install New Valve Covers: Carefully position the new aluminum valve covers onto the cylinder heads. Ensure proper alignment.
8. Secure Bolts: Install the new mounting bolts. Tighten them gradually in a crisscross pattern to the manufacturer's specified torque. Overtightening can damage the covers or gaskets.
9. Reinstall Components: Reinstall all previously removed components (spark plug wires, ignition coils, intake manifold, etc.) in reverse order.
10. Final Checks: Reconnect the battery. Start the engine and check for any oil leaks. Monitor engine performance.

Installation Resources:

6. Maintenance

Proper maintenance of your engine valve covers is crucial for engine health and longevity:

• Regular Inspection: Periodically inspect the valve covers and surrounding areas for any signs of oil leaks, cracks, or damage.
• Gasket Condition: Ensure the valve cover gaskets remain pliable and free from hardening or cracking. Replace gaskets if any signs of wear or leakage are observed.
• Cleanliness: Keep the engine bay clean to easily spot potential leaks and prevent debris from accumulating around the valve covers.
• PCV System: Ensure the Positive Crankcase Ventilation (PCV) valve and hoses are clear and functioning correctly to prevent pressure buildup within the engine, which can lead to valve cover leaks.

7. Troubleshooting Common Issues

If you encounter issues after installation, consider the following:

• Oil Leaks:
  • Cause: Improper gasket seating, incorrect bolt torque, damaged gasket, or warped cover.
  • Solution: Recheck bolt torque according to vehicle specifications. Inspect gaskets for proper installation and damage. Ensure mating surfaces were thoroughly cleaned before installation.
• Fitment Issues:
  • Cause: Incorrect part for the vehicle model/year, or manufacturing tolerance.
  • Solution: Double-check vehicle compatibility and OEM numbers. If issues persist, contact customer support.
• Engine Bay Smoking/Burning Oil Smell:
  • Cause: Oil leaking onto hot exhaust components.
  • Solution: Immediately inspect for oil leaks from the valve covers or other engine components. Address any leaks promptly.

For persistent issues not covered here, please contact maXpeedingrods customer support or a certified mechanic.

8. Product Specifications

• Manufacturer: maXpeedingrods
• Part Number: KJ899
• Material: Aluminum
• Item Weight: 9.48 pounds
• Product Dimensions: 20.2 x 11.02 x 15.51 inches
• Engine Type: VQ35DE 3.5L V6 DOHC

9. Warranty and Support

maXpeedingrods products are designed for stable performance and long service life. For specific warranty details, return policies, or technical support, please refer to the product packaging or contact maXpeedingrods customer service directly through their official website or the retailer where the product was purchased.