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Type :
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Clutch plate
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Specification :
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Pulley :
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Brand :
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nuojin
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Number :
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MFD013
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Quality :
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Remanufacture
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Delivery time :
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10 day
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The core requirements for installing a Mitsubishi clutch friction disc are correct orientation, precise centering, diagonal and step-by-step tightening, proper lubrication, and post-installation inspection to ensure smooth engagement, complete disengagement, and freedom from jitter or slippage. Below are the general installation steps and key specifications; refer to the vehicle’s service manual for model-specific details.
Park the vehicle on a level surface, engage the parking brake, shift to neutral, and disconnect the negative battery terminal to prevent accidental startup.
Securely support the vehicle with a lift or reliable jack; place an oil pan under the transmission to collect drained transmission fluid.
Essential Tools: Socket wrench, torque wrench, clutch alignment tool (Mitsubishi-specific MD998127 or custom-fit tool), flywheel holding tool, rubber mallet, cleaning cloths, torque wrench.
Materials: New clutch friction disc, pressure plate, release bearing (clutch kit recommended), Mitsubishi genuine grease (part number 0101011 or equivalent high-temperature grease), new flywheel bolts, transmission fluid, clutch fluid (for hydraulic systems).
Inspect the new friction disc: Ensure the friction surface is free of oil contamination, rivets are tight, rivet sinkage is ≥0.3mm, and the spline fits smoothly on the input shaft without binding.
Inspect the pressure plate: Verify the surface is flat (no burning, cracks, or warpage), diaphragm spring has uniform elasticity, and height variation is ≤0.5mm.
Clean the flywheel: Remove oil, rust, and debris from the flywheel surface with a clean cloth to ensure full contact with the pressure plate; inspect the flywheel ring gear and pilot bearing, replacing them if necessary.
Inspect the release bearing: Confirm it rotates freely without noise or binding; apply grease to the inner bore.
Confirm orientation: The friction disc’s torsion damper side faces the pressure plate (usually marked “TO TRANSMISSION” or “TO FLYWHEEL”—verify before installation).
Spline lubrication: Apply a thin, even layer of Mitsubishi genuine grease to the friction disc spline hub and transmission input shaft splines (avoid over-greasing to prevent slippage); also lubricate the release bearing inner surface and release fork contact points.
Center alignment: Insert the alignment tool into the flywheel pilot bearing, then slide the friction disc onto the tool to ensure concentricity with the flywheel and input shaft, preventing misalignment during installation.
Align marks: Match the locating pins and assembly marks on the clutch cover and flywheel (mark them yourself if no factory marks exist) to ensure balance and correct positioning.
Bolt pre-tightening: Install the pressure plate mounting bolts by hand until snug to avoid uneven initial loading.
Diagonal step-by-step tightening: Use a torque wrench to tighten bolts in a diagonal pattern in 2–3 stages to the model-specific torque specification (typically 25N·m—always refer to the service manual) to prevent pressure plate deformation.
Mount the release bearing to the release fork, ensuring it slides freely without binding; lubricate the contact point between the fork and bearing.
Install the release fork assembly, ensuring proper contact between the fork and bearing, correct installation of the return spring, and smooth movement.
Clean the transmission input shaft splines and apply a small amount of grease; slowly slide the transmission onto the engine, ensuring the input shaft fully engages the friction disc spline hub without binding.
Install transmission mounting bolts, tightening them in a diagonal pattern in stages to the specified torque; reconnect the driveshaft, shift linkage, clutch hydraulic line (if applicable), and other components.
Hydraulic clutch: Adjust pedal free travel via the master cylinder or slave cylinder pushrod (standard range: 15–25mm—refer to the service manual for model-specific values).
Mechanical clutch: Adjust the cable length to maintain the specified clearance between the release bearing and diaphragm spring, ensuring smooth pedal return.
Start the engine and test the clutch pedal at idle: Ensure complete disengagement when pressed and smooth engagement when released, with no noise, jitter, or slippage.
Gear shift test: Shift through all gears to verify smooth operation without grinding or binding.
Road test: Test acceleration, gear shifts, and hill climbing at low speeds to confirm stable clutch engagement with no abnormalities.
Jitter: Check for incorrect friction disc orientation, uneven pressure plate bolt torque, or a warped flywheel surface.
Slippage: Inspect for over-greasing, worn friction disc, or weakened pressure plate springs.
Incomplete disengagement: Verify clutch free travel is not too small, release bearing is properly installed, or hydraulic system is fully bled.
Do not reverse orientation: The friction disc’s damper side must face the pressure plate—incorrect installation causes jitter, noise, or premature failure.
Mandatory centering: Use a dedicated alignment tool to ensure concentricity; misalignment will make transmission installation difficult or cause abnormal operation.
Tightening sequence and torque: Always tighten pressure plate bolts in a diagonal pattern in stages to avoid deformation; follow the model-specific torque specification (typically 25N·m).
Moderate lubrication: Excess grease on splines or bearings can contaminate the friction surface and cause slippage.
Component replacement recommendation: When replacing the friction disc, install a new pressure plate and release bearing (clutch kit) and inspect the flywheel and pilot bearing—replace as needed to prevent uneven wear between new and old parts.
References：
This text is a general technical summary of Mitsubishi clutch friction disc installation. Its core data and procedures are derived from Mitsubishi’s official service manuals, supplemented by third-party repair documents and forum resources, and integrated into a practical guide. Specific details are as follows:
Provides key technical parameters, such as a minimum friction disc rivet sinkage of ≥0.3mm, a maximum diaphragm spring height variation of ≤0.5mm, dedicated tools like the clutch alignment tool (MD998127), and genuine grease (part number 0101011).
Specifies that pressure plate bolts must be tightened diagonally in stages, with a typical torque of 25N·m, and the release bearing lock nut torque of 15N·m.
Clarifies critical requirements including the clutch friction disc orientation (damper side facing the pressure plate), centering alignment standards, and clutch pedal free travel adjustment range (15–25mm).
Mitsubishi Pajero Clutch Replacement published on Autohome on March 22, 2024: Details installation steps, torque values, and free travel parameters that align closely with the content of this guide.
Clutch Repair Manual on Renren Document Network: Supplies clutch system maintenance specifications, torque parameters, and dedicated tool information, further verifying the technical details in this summary.
How to Replace a Pajero Clutch published on PCauto on December 25, 2024: Supplements practical operation points during installation, such as flywheel fixation and component cleaning.
This guide is not a direct quote from a single source. Instead, it systematically integrates and refines information based on Mitsubishi’s official service manuals as the core, combined with third-party repair documents and forum resources, to ensure accuracy and practicality.
Specific installation details may vary across models (e.g., Pajero, ASX). For actual operations, always refer to the official service manual corresponding to the specific vehicle model.
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