Find technical guides, application charts, and troubleshooting resources for common 4x4 components, organized by system so you can get answers faster.
Manual Transmissions & NV4500 (Guides)
Causes of Manual Transmission Failures
Learn the most common failure causes and how lubrication choices impact shifting and durability.
NV4500 5th Gear Failures & Solutions
Troubleshooting and solutions for the well-known NV4500 5th gear/mainshaft issues.
Defects in NV4500 Cast Iron Tailhousings
Details on cast iron tailhousing fitment/defect issues and possible failure symptoms.
NV4500 Transmission Teardown Guide
Helpful for users who want visual guidance plus manuals/parts references.
Axles & Differentials (Dana / AAM / Front & Rear Axles)
Dana 44 Differential Tech (1953–1993)
Technical overview for Dana 44 differentials across model years..
Dana Spicer Rear Drive Axle Component Failures
Real-world failure examples and what commonly causes them..
Short Ball Joint Life (2003–2013 Dodge Ram AAM 925 Front Axles)
Why ball joints wear quickly and what to watch for..
1957–1993 Dana 44 Solid Beam Inner Axle Seal Application List
Vehicle-specific seal references for multiple makes (Chevy, Dodge, Ford, IHC, Jeep)..
Dana 60 Rear Wheel Bearings (Application Charts)
Dodge & Ram Transfer Case Fluid Type
Chart-style guide to help select the correct transfer case fluid for Dodge/Ram 4x4.
1972–1993 Dodge Van & Motorhome Dana 60 Rear Wheel Bearing Applications
Applications for vans, van chassis, and motorhome platforms.
Transfer Case Fluids (Guides)
Dodge & Ram Transfer Case Fluid Type
Chart-style guide to help select the correct transfer case fluid for Dodge/Ram 4x4.
Ford Full Size 4x4 Transfer Case Fluids
If you want this library to be complete, include the Ford fluid guide as well.
