Causes of Manual Transmission Failures — A Technical Guide
Dan the Gear Man breaks down the most common causes of manual transmission failures — from bearing wear to gear tooth damage, synchronizer problems, and what causes catastrophic failures.
Defects in Imported NV4500 Cast Iron Tailhousings — What We Found
Dan the Gear Man documents defects found in imported NV4500 cast iron tailshaft housings — runout problems, interference with transfer cases, and how to check yours.
NV4500 5th Gear Failures — Why They Happen and How to Fix Them
Dan the Gear Man explains why NV4500 5th gear failures happen — the real root cause behind nut failures, full spline shaft problems, and what actually works to prevent them.
NV4500 Transmission Teardown Guide — Step by Step with Video
Complete NV4500 transmission teardown walkthrough with video. Step-by-step guide covering disassembly, inspection, and what to look for inside your 4500.
Transfer Case and Transmission Identification Guide — NP231, NP241, NV4500, and More
How to identify your transfer case or NV4500 transmission using build tags, decals, and assembly numbers. Covers NPG/NVG tag locations, NP241DLD vs DHD differences, planetary gear types, input bear...
I am excited to announce that we have a new format for our service videos. These videos are shorter than previous videos. The service videos we previous produced were a complete guide for a gi...
