JA Professional Automotive Piston and Connecting Rod Installation Guide – High-Performance Upgrade Solutions

Welcome to JA’s professional automotive piston and connecting rod installation guide. As a leading brand in automotive performance upgrades, we are committed to providing you with high-quality pistons and connecting rods and professional installation guidance. This guide will take you through the entire process from preparation to installation, ensuring a safe and efficient piston and rod upgrade for your vehicle.

Preparation

1. Choose the Right Piston and Connecting Rod Model: Select the appropriate piston and connecting rod model based on your vehicle type and performance requirements.
2. Check Tools: Prepare the required professional tools, including piston ring installation tools, piston pin installation tools, and connecting rod bearing installation tools.

Installation Process

1. Engine Disassembly and Cylinder Inspection: Follow the manufacturer’s manual to correctly disassemble the engine and remove the old pistons and connecting rods. Use professional tools to measure the cylinder’s roundness, ensuring the cylinder shape meets the specified tolerance range.
2. Piston and Connecting Rod Inspection and Preparation:

• Carefully inspect the new pistons and connecting rods for integrity and dimensional specifications.
• Ensure the piston-to-cylinder clearance is within the range of 0.05mm to 0.06mm.
• Check the piston ring end gaps:
  

  Piston Ring Type	Gap Range
  Top Ring	0.25mm-0.35mm
  Second Ring	0.25mm-0.35mm
  Oil Ring	0.35mm-0.45mm

• Confirm the connecting rod bearing to crankshaft clearance meets the specification.
• Connecting Rod Bolt Torque:

3.New Piston and Connecting Rod Installation: Use professional tools to install the new pistons and connecting rods, ensuring the piston rings, piston pins, and connecting rod bearings are correctly installed.

4.Engine Reassembly: Follow the specified steps and torque requirements to reassemble the engine.