This document is the official 1000 2000 Mechanic Chung Tips handbook (publication MT3190EN), providing field-level maintenance, removal, and installation procedures for Allison 1000 Series and 2000 Series automatic transmissions used in vocational truck and bus applications. It was published in March 2004 and spans 58 pages covering fluid checks, filter changes, engine adaptation measurements, and torque converter mounting.
Official 1000 2000 Mechanic Chung Tips document details
| Brand | Allison Transmission (General Motors Corporation) |
| Model coverage | 1000 EVS/HS/MH/PTS/RDS/SP, 2100 EVS/HS/MH/PTS/RDS/SP, 2200 EVS/HS/MH/PTS/RDS/SP, 2500 EVS/HS/MH/PTS/RDS/SP, B 210, B 220 |
| System / Group | Automatic transmission — preventive maintenance, removal, and installation |
| Publication no. | MT3190EN |
| Year / Revision | 2004 (March 01) |
| Pages | 58 |
| File size | 1.6 MB |
| Format | |
| Language | English |
Document table of contents
- Section I — Preventive Maintenance: periodic inspections, fluid level importance, fluid check (cold and hot procedures), keeping fluid clean, fluid recommendations (DEXRON, TranSynd), fluid and filter change intervals, fluid contamination, fluid and filter change procedure, oil vent (breather) maintenance
- Section II — Removing Transmission: draining, disconnecting controls, uncoupling from driveline/engine/vehicle, removing flexplate adapter, removing output flange or yoke
- Section III — Preparing the Transmission for Installation: checking input components, installing output flange or yoke, installing PTO, installing fill tube and seal, checking plugs and openings
- Section IV — Preparing Vehicle for Transmission Installation: engine-to-transmission adaptation requirements (flywheel housing pilot bore, bore runout, face squareness, crankshaft hub pilot), checking flexplate drive assembly, chassis and driveline inspection, cooler/filter/lines, checking controls
- Section V — Installing Transmission into Vehicle: handling, mounting to engine, installing mounting components, coupling to driveline, connecting PTO controls, connecting parking brake control, connecting cooler, connecting controls, filling hydraulic system
- Section VI — Customer Service: service literature listing (SM3191EN, TS3192EN, PO3065EN, operator’s manuals, parts catalogs)
Applicable truck models
This handbook applies to all vocational vehicles equipped with Allison 1000 Series, 2000 Series, 2000 MH Series, and 2400 Series automatic transmissions. Specific variants covered include EVS, HS, MH, PTS, RDS, and SP configurations across the 1000, 2100, 2200, and 2500 model ranges, plus the B 210 and B 220 bus models. The manual includes detailed fluid capacity data (standard sump: 14 L initial fill, 10 L refill; shallow sump: 12 L initial fill, 7 L refill), torque specifications for drain plugs (30–40 N·m) and flexplate adapter bolts (57–68 N·m), and precision measurement requirements for flywheel housing bore runout (max 0.51 mm TIR). For additional technical resources, visit Allison Transmission official website.
Who needs this 1000 2000 Mechanic Chung Tips manual
Fleet mechanics, independent workshop technicians, and service managers responsible for maintaining or replacing Allison 1000 and 2000 series transmissions will find this guide essential. It consolidates the critical preventive maintenance schedules, removal/installation sequences, and engine adaptation measurements needed to service these units correctly in the field.
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