Acura Integra Polyurethane Shift Stabilizer Bushing Install Guide

Learn how to easily upgrade your Acura Integra's worn OEM rubber shift stabilizer bushings to polyurethane. Get precise, solid shifts with this quick DIY.

2 min read

1990-2001 Acura Integra Performance Upgrades and Tuning

How to Install Shift Stabilizer Bushings on an Acura Integra

Swapping out old, degraded rubber shift linkage bushings for polyurethane is the most direct way to eliminate sloppy gear shifts. This straightforward driveway job immediately tightens up your transmission feel.

The Short Answer (TL;DR)

This DIY covers upgrading the shift stabilizer bushings on any generation Acura Integra. The job takes about an hour using basic hand tools and jack stands. Replacing the soft factory rubber with stiff polyurethane completely cures shifter slop. Since you are under the car working near the exhaust and transmission, it is an ideal time to upgrade your exhaust system.

The DIY Process Overview

Start by safely lifting the front of the vehicle and securing it on jack stands. Locate the shift linkage rod where it connects to the lower transmission housing. Remove the mounting bolt securing the factory stabilizer bushing to the transmission block.

Slide the linkage off the mounting stud and pull the old, cracked rubber bushing out of the circular housing. Liberally lubricate your new polyurethane bushings with the supplied silicone grease before pressing them into the linkage. Reinstall the linkage onto the transmission, slide the metal sleeve through the center, and torque the bolt to factory specifications.

Why You Should Upgrade While You're In There

Because you are already working directly beneath the vehicle and navigating around the shift linkage and exhaust mid-pipe, you have clear access to the underbelly of your powertrain. You often have to work around or loosen the exhaust to access the linkage. This makes it the absolute best time to swap out a restrictive factory exhaust or install a high-flow header.

Recommended Upgrade: High-Flow Exhaust System or Performance Headers

Frequently Asked Questions

How hard is it to install polyurethane shift bushings?

This is a highly accessible, beginner-friendly job. If you can safely raise the car and operate a standard socket set, you can complete the installation in under an hour. The most difficult step is usually breaking loose a rusted factory mounting bolt.

What are the specific benefits of polyurethane over rubber?

Polyurethane is significantly denser and more rigid than OEM rubber. It resists degradation from leaking engine oil and road grime, ensures your shifter feels mechanically direct, and stops the linkage from deflecting during hard gear changes.

Shop Acura Integra Upgrades Here