Description

Mitsubishi V5M21-9, V5M21-A, R5M21-5-D 2000 Service Manual

You are holding a 132-page factory manual, not a chiltons reprint, not a haynes condensation. This is the actual document Mitsubishi sent to dealers in 2000 for the Mitsubishi V5M21-9, V5M21-A, R5M21-5-D manual transmissions. If you are tearing into one of these boxes and you do not have the torque specs on page 22D-1-3, you are gambling with bearing preload and synchronizer clearance. I have pulled enough of these apart to know that guesswork costs you a shift fork and a Saturday afternoon.

Torque Specifications: The Numbers That Matter

Transmission assembly relies on precise clamping forces. Chapter 1, specifically the TORQUE SPECIFICATIONS section on page 22D-1-3, lists every fastener from the extension housing bolts to the transfer case plate. You get foot-pounds for mainshaft nuts, inch-pounds for detent springs, and the exact sequence for the rear output shaft. Do not reach for a generic torque chart—these values are specific to the V5M21-9 and V5M21-A aluminum housings and the R5M21-5-D iron case. A 10% over-torque on the counter shaft bearing retainer will distort the bore. I have seen it.

Does This Manual Cover Both V5M21-9 and V5M21-A Transfer Cases?

Yes, and it separates them by chapter. Sections 8 and 9 are dedicated to the transfer unit for each variant. TRANSFER <V5M21-9> includes the vacuum-actuated shift mechanism; TRANSFER <V5M21-A> covers the electric shift. The 2WD/4WD shift fork and rail are in sections 15 and 16, with snap-ring thickness tables for preload adjustment. If you mix up the spacer sets between the two, the chain tension will be wrong and you will get driveline noise within 500 miles.

132 Pages of Factory Data

Every page carries the Mitsubishi copyright and the August 2000 revision code PWEE8914-J. The table of contents lists 17 sections, starting with GENERAL INFORMATION and ending with TRANSFER CASE PLATE <V5M21-A>. You get specifications for lubricant capacity, sealant application points, and adjustment snap rings—all in one bound PDF. I keep a printed copy on the bench because flipping pages is faster than scrolling on a phone covered in gear oil.

Check Adjustment Snap Rings and Spacers

The ADJUSTMENT SNAP RINGS AND SPACERS table on page 22D-1-5 lists thicknesses in 0.1 mm increments. These control end-play on the countershaft and mainshaft. Without the factory table, you are guessing which ring to install. The manual shows you how to measure bearing clearance and select the correct shim. Do not skip this step—I have watched a newbie press a mainshaft bearing too far and wreck the synchronizer hub.

Transfer Case Plate Assembly

Section 17 walks through the transfer case plate on the V5M21-A. It includes the sealant pattern—Mitsubishi specifies Three Bond 1215 or equivalent, applied in a 2 mm bead inside the bolt holes. Page 22D-17-1 shows the bolt torque sequence. I have seen aftermarket manuals skip the sealant path and end up with a leak at the housing split. This manual does not miss details like that.

What About the R5M21-5-D?

The R5M21-5-D shares the basic mainshaft and countershaft sections (5 and 6), but its shift mechanism differs. The TRANSMISSION MODEL TABLE – MODEL 2001 lists the gear ratios and synchro types. If you are rebuilding a truck transmission from a 2001 Montero or pickup, you need the R5M21-5-D-specific data. The manual covers all three models in the same document, so you are not buying separate books.

Aftermarket documentation? I keep a stack of them for doorstops. This is an OEM Service Manual scanned from the original Mitsubishi binder. The wiring diagram? There isn’t one for a manual transmission—it’s mechanical. But the special tools list in section 2 tells you exactly which puller and installer part numbers to use. You will save time by ordering the right tools before you start.

Related manuals you might need: Mitsubishi Dodge Stealth R/T Turbo 3000GT VR4 GTO Service Manual covers the V6 drivetrain. For the Eclipse platform, check the Mitsubishi Eclipse Spyder 1996 Service Manual – Factory Specs & Wiring. If you work on diesel pickups, the Mitsubishi SS-SERIES 2007 Service Manual – Factory Diesel Specs applies.

For a wider industry perspective on transmission service standards, refer to the Automotive Industry Overview published by Toyota Automotive Industry Overview. You can also read the Automotive Industry Overview for background on factory repair procedures. These external resources confirm that OEM documentation is the only reliable source for torque values and assembly sequences.

Frequently Asked Questions

Does this manual include torque values for the transfer case bolts?

Yes. Page 22D-1-3 lists all torque specs, including the transfer case bolts for both V5M21-9 and V5M21-A.

I have the R5M21-5-D from a 2001 model. Is there a separate section for it?

The manual uses one document, but the R5M21-5-D is integrated into the general transmission chapters. The model table on page 22D-1-1 identifies which gear ratios and synchro types apply to the R5M21-5-D. For shift fork differences, refer to section 14—the H-L shift fork is unique to the V5M21-9, while the R5M21-5-D uses a different selector rail arrangement. The mainshaft and countershaft sections are shared, but the input shaft (section 12) has length variations depending on the bellhousing pattern. If you are swapping between a V5M21 and an R5M21, you will need to check the input shaft spline count and bearing seat diameter in the general specifications table. That data is on page 22D-1-2. I recommend reading the entire specifications chapter before disassembling anything, because Mitsubishi grouped all three models under the same general torque table, but the transfer case sections only apply to the V5M21 variants. If you ignore the model-specific notes, you might install a snap ring that only fits the other version. Aftermarket manuals often combine these into one vague table; this document keeps them separate with clear headings.

You need the factory procedure, not a summary. Access the Factory Manual from AutoRepairManuals and print the torque pages. Tape them to the bench. Your transmission will thank you.