Specialty Fluids

Choosing the right rear differential gear oil can cut gear whine and extend axle life

This guide explains how to compare rear differential gear oils like Amsoil Severe Gear, Redline, Mobil 1, and Valvoline SynPower using viscosity specs and real-world gear whine feedback.

Change Transfer Case Fluid Every 30K Miles to Prevent Costly Drivetrain Failure

This guide explains transfer case fluid specifications, replacement intervals, and system functions to help DIY owners prevent costly drivetrain failures.

Use the Correct Red Line Gear Oil to Protect Your Differential and Avoid Costly Rebuilds

This guide helps DIYers select the correct Red Line 75W85 or 75W90 GL-5 gear oil for differentials, ensuring proper limited-slip protection and preventing costly drivetrain failures.

Changing differential fluid every 30k miles prevents costly gear failure and safety issues

SIMPLE STEPS TO MAXIMIZE YOUR VEHICLE'S LONGEVITY

ADBLUE®: WHAT IT IS AND WHY IT MATTERS FOR YOUR DIESEL VEHICLE

YOUR COMPLETE GUIDE TO SPECIALTY FLUID TYPES

LOW-EMISSION OILS: YOUR COMPREHENSIVE GUIDE TO LOW-SAPS LUBRICANTS

EVERYTHING YOU NEED TO KNOW ABOUT DIESEL PARTICULATE FILTERS