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Allison Transmission AT 1545P User Manual

Allison Transmission AT 1545P
52 pages
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MT1321EN
MT4108EN
Mechanic’s Tips
AT 500 and AT 1500
Series Transmissions

Table of Contents

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Allison Transmission AT 1545P Specifications

General IconGeneral
BrandAllison Transmission
ModelAT 1545P
CategoryMicrophone system
LanguageEnglish

Summary

Preventive Maintenance

Fluid Check Procedure

Step-by-step guide for checking transmission fluid level.

Recommended Transmission Fluid

Specifies approved fluids and viscosity grades for transmissions.

Fluid and Filter Change Procedure

Comprehensive procedure for changing transmission fluid and filters.

Fluid Contamination

Addressing Metal Particles

Procedures for dealing with metal particle contamination in the transmission.

Handling Coolant Leaks

Steps to take when engine coolant contaminates transmission fluid.

Transmission Stall Test and Neutral Cool-Down Check

Transmission Stall Test Procedure

Detailed steps for performing the transmission stall test.

Neutral Cool-Down Check Procedure

Steps for conducting the neutral cool-down check.

Interpreting Test Results

How to analyze stall test and cool-down check findings.

Section II Removing Transmission

Draining the Transmission

Procedure for draining transmission fluid before removal.

Uncoupling Engine from Driveline

How to separate the engine from the transmission driveline.

Removing the Transmission

Steps for the physical removal of the transmission.

Section III Preparing Transmission for Installation

Checking Torque Converter Position

Verifying correct axial positioning of the torque converter.

Section IV Preparing Vehicle for Transmission Installation

Checking Flexplate and Engine Features

Inspecting engine and flexplate for compatibility and condition.

Section V Installing Transmission into Vehicle

Coupling Transmission to Engine

Detailed steps for connecting the transmission to the engine.

Section VI Checks and Adjustments

Installation Checklist

A comprehensive checklist for verifying proper transmission installation.

Road Test and Vehicle Operation Checklist

Checklist for verifying transmission performance during a road test.

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