Description

Carraro 20.22 2005 Repair Manual – OEM Factory Front Axle Manual

Aftermarket manuals are a gamble. You don’t know if the torque spec came from a third-party reprint or a factory print. The Carraro 20.22 2005 Repair Manual is the real deal – 125 pages of OEM documentation, straight from Carraro. This is the 2nd Edition, 12/2005, P/N CA357356, covering the front axle Mod. 20.22. If you’re rebuilding a differential or setting pinion depth, you want this on your bench.

Period.

Safety Instructions – Section B (Not a Suggestion)

Section B covers safety recommendations, symbols, and general precautions. I’ve seen guys skip this because they think they know how to lift an axle. Then they lose a finger. Carraro spells out the danger zones. Read it.

General Specifications – Tech Data and Torque Values

Section C is where you find the meat. Intended use, product identification, general description, technical features. Oil change intervals are on page 24. Grease specs page 28. Adhesives and sealants page 29. Torque values are all in Section C.8 on page 31. You need the tightening torque for the wheel hub or the differential? It’s there. No hunting through internet forums.

Disassembly and Assembly – From Sensor to Axle Beam

Section D is the heart of this manual. It covers 12 procedures: sensor group, steering cylinder, epicyclic reduction gear, wheel hub, flange, differential support, differential (ML and LS), pinion, axle beam, toe-in/steering angle, and post-assembly testing. Each procedure includes required tool numbers, lubrication specs, and step-by-step instructions with torque values. For example, the wheel hub group (D.4) starts on page 52 and details bearing adjustment – something aftermarket manuals often skip. If you get the preload wrong, the hub will overheat. Carraro gives the correct shim selection procedure and the torque for the locknut. That’s the difference between a job that lasts and a comeback.

Troubleshooting – Axle Problems and Diagnosis

Section E covers troubleshooting. Problem: axle noise. The manual gives a diagnostic tree – check oil level, check for contamination, check bearing preload. It’s systematic. Section E.2 focuses on axle-specific issues. This is where you save hours of guesswork.

Special Tools and Service Times – Plan Your Job

Section F lists special tools with part numbers. Section G gives service operation times. If you’re billing hours, this helps you quote accurately. For the DIY guy, these times tell you if you can finish in a weekend.

Why OEM Documentation Beats Aftermarket

I’ve seen aftermarket manuals that list the wrong lubricant viscosity or skip the pinion preload sequence. That costs you time and parts. This is a factory-released document from Carraro. The torque figures, clearances, and sealant specs are the ones used on the assembly line. Trust that.

If you’re working on a similar axle, check the Carraro TLB1 UP 4WD 2005 Repair Manual – Factory Specs & Procedures for that model. Also see the Carraro 20.19 2005 Repair Manual and Carraro 20.49 Front Axle 2005 Repair Manual for other variants.

For a broader understanding of driveline components, see our Manual Transmission resources. The Manual Transmission section complements this axle manual.

Stop gambling on aftermarket copies. Get the factory documentation that Carraro intended for their technicians. Access the Factory Manual and put the right data on your bench.

Frequently Asked Questions

Does this manual cover both ML and LS differentials?

Yes. Sections D.7 and D.8 cover the ML and LS differential groups separately.

What torque values are listed for critical fasteners?

Section C.8 on page 31 provides all tightening torques. The manual includes specific values for the wheel hub bolts, pinion nut, differential bearing cap bolts, and steering cylinder fasteners. Torque is listed in Nm – you’ll need to convert to ft-lb if your wrench reads Imperial. For example, 100 Nm is about 73.8 ft-lb. Always use a calibrated torque wrench. Don’t guess.