Description

Dana Spicer T12000, VDT12000, VDT 17 2011 Service Manual – Factory Specs for Your Transmission

If you’ve ever torn down a transmission only to find the wrong torque specs turned a housing into scrap, you know the value of a factory manual. Dana Spicer T12000, VDT12000, VDT 17 2011 Service Manual is exactly what you need to avoid that headache. I’ve been turning wrenches for 28 years, and I’ve seen more than one job go sideways because a guy trusted a generic PDF. This one is from the source – Dana Spicer – and it’s 29 pages of what you actually need.

Technical Specifications: Factory Data

Page 4 gives you the numbers that matter – weight, dimensions, oil capacity, pressure and temperature specs, electrical specs. That’s the stuff you need before you even pick up a socket. The manual lists everything in Imperial units: ft-lbs for torque, quarts for oil, psi for pressure. Don’t guess – use these numbers. I’ve seen a transmission fail because someone used 80 ft-lbs on a bolt that called for 60. That’s a $2,000 mistake.

Why Cleaning & Inspection Matters

Page 2 spells out cleaning and inspection procedures. Bearings, housings, oil seals, gears – you need to know what to look for. Skip this and you’ll be chasing leaks later. The manual tells you how to inspect each component: run a feeler gauge under the bearing race, check for pitting on gear teeth, measure housing warpage with a straightedge. If you’re a home garage guy, these are the steps that separate a rebuild from a re-rebuild.

If you’re working on other Dana units, you’ll want Dana Spicer 1372-A Service Manual – Factory Specs & Rebuild Guide and Dana Spicer ES60-5, CM59, ES60-5A, ES60-5C, ES60-5D Service Manual. Also check Dana Spicer ES46-5 ES56-5 2002 Service Manual – 40 Pages of Factory Specs.

Does the Manual Cover Troubleshooting?

Yes, there’s a dedicated Troubleshooting section. It’s not a generic list – it’s specific to the T12000, VDT12000, and VDT 17 transmissions. If you’re chasing a shift problem or a pressure drop, this is where you start. The manual walks you through checking hydraulic pressure at the test ports, inspecting the valve body for sticking spools, and verifying solenoid resistance. Understanding the basics of a Manual Transmission helps, but these diagnostics are specific to this series.

2 Critical Steps in Assembly & Disassembly

The Assembly & Disassembly chapter walks you through the process. Two things I always check: the bearing preload specs and the seal installation directions. This manual covers both. For preload, you need to measure rotating torque with a spring scale – the factory spec is in in-lbs. For seals, the manual shows the correct depth and lubrication. Mess either one up and you’ll be back in the shop within a month. For more on gear ratios, see Manual Transmission.

Understand the Transmission Operation

Read the Transmission Operation chapter before you crack the case. It explains how the hydraulic circuits work, the shift sequencing, and what to expect during testing. That knowledge saves you from chasing ghosts. The manual includes sectional views so you can trace oil flow. If you’re a DIY guy, this is the part that makes you think like a transmission engineer.

That’s the kind of detail you get from a factory document. No aftermarket nonsense, no reprints of reprints. This is the original 2011 release from Dana Spicer, and it’s 29 pages of pure spec data. Use it, and you’ll finish the job with the right torque values and the right procedures.

Does this manual cover the VDT 17?

Yes.

What torque values are listed?

The manual includes technical specifications on page 4 that list torque values for various bolts and fasteners. Specifically, you’ll find torque specs for the transmission housing bolts, oil pan bolts, and other critical fasteners. Additionally, the assembly and disassembly section provides torque sequences for bearing preloads and end play adjustments. Always use a calibrated torque wrench – the manual specifies ft-lbs for all fasteners. This is not a generic range; it’s the exact factory number. Page 4 also includes pressure and temperature specs that affect torque settings if you’re rebuilding a unit with thermal expansion factors. You need to follow these numbers to avoid stripping threads or causing leaks.

Can I use this manual for the T12000 6-speed?

Yes, the manual covers 3, 4, and 6-speed versions of the T12000. It also covers the VDT12000 and VDT 17.

Is the manual in English?

Yes, original English from Dana Spicer.

Access the factory manual and get the spec data you need to do this job right once. Don’t waste time on aftermarket guesswork – this is the real thing.