Transmission Fluid

Using the right automatic transmission fluid can prevent premature transmission wear and costly damage.

This guide explains what automatic transmission fluid (ATF) does, how to check it with the engine running, and how to choose the correct ATF type to a...

Using the right transmission fluid can prevent poor shifting and a costly transmission failure

This guide explains ATF, MTF, GL-4/GL-5 gear oil, CVT fluid, and DCT fluid, showing why the correct spec (Dexron, Mercon, ATF+4) prevents damage.

Changing CVT fluid every 30k-60k miles can prevent a costly transmission failure

This guide explains CVT vs conventional transmission fluid change intervals (30,000-60,000 vs 60,000-100,000 miles) and the warning signs that mean se...

Using the wrong CVT fluid risks transmission failure so always verify manufacturer specs before servicing

TRANSMISSION FAILURES: CAUSES, SYMPTOMS, AND PREVENTION

SELECTING THE CORRECT OIL FOR VARIABLE-SPEED GEARBOXES

THE OVERLOOKED ROLE OF TRANSMISSION FLUID IN COMMERCIAL VEHICLE PERFORMANCE

SELECTING THE CORRECT TRANSMISSION OIL FOR YOUR VEHICLE

A STEP-BY-STEP GUIDE TO CHECKING AND REPLACING TRANSMISSION FLUID