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Automatic Transmission - 4l80-e/4l85-e (Service & Replacement) Chevrolet Chevy Express H2500

Step-by-step instructions on "Automatic Transmission - 4l80-e/4l85-e (Service & Replacement)" for Chevrolet Chevy Express H2500 (2003–2003). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

143subsections
143articles
322illustrations

Transmission Fluid Temperature (TFT) Sensor Specifications

1 article

Fastener Tightening Specifications

1 article

Transmission General Specifications

1 article

Fluid Capacity Specifications

1 article

Shift Solenoid Valve State and Gear Ratio

1 article

Transmission Range Switch Logic

1 article

Transmission Fluid Pressure (TFP) Manual Valve Position Switch Logic

1 article

Line Pressure

1 article

Component Resistance

1 article

Schematic and Routing Diagrams

1 article

Diagnostic Starting Point - Automatic Transmission

1 article

Symptoms

1 article

Circuit Description

1 article

Diagnostic Aids

1 article

Test Description

1 article

Transmission Scan Tool Data List

1 article

Transmission Scan Tool Data Definitions

1 article

Diagnostic Trouble Code (DTC) Type Definitions

1 article

Type A

1 article

Type B

1 article

Type C

1 article

Type X

1 article

Diagnostic Trouble Code (DTC) List/Type

1 article

Conditions for Running the DTC

1 article

Conditions for Setting the DTC

1 article

Action Taken When the DTC Sets

1 article

Conditions for Clearing the DTC

1 article

Conditions for Clearing the MIL/DTC

1 article

Condition 1

1 article

Condition 2

1 article

Action Taken When the MIL/DTC Sets

1 article

Condition 3

1 article

Transmission Fluid Checking Procedure

1 article

Line Pressure Check Procedure

1 article

Road Test Procedure

1 article

Electrical Function Check

1 article

Upshift Control and Torque Converter Clutch (TCC) Apply

1 article

Part Throttle Detent Downshift

1 article

Full Throttle Detent Downshift

1 article

Manual Downshifts

1 article

Manual 4-3 Downshift

1 article

Manual 4-2 Downshift

1 article

Manual 4-1 Downshift

1 article

Coasting Downshifts

1 article

Manual Gear Range Selection

1 article

Reverse

1 article

Manual First

1 article

Manual Second

1 article

Manual Third

1 article

Torque Converter Diagnosis Procedure

1 article

Torque Converter Stator

1 article

Poor Acceleration at Low Speed

1 article

Poor Acceleration at High Speed

1 article

Whine Noise

1 article

Torque Converter Clutch Shudder

1 article

If Shudder Occurs After TCC has Applied

1 article

Torque Converter Evaluation and Diagnosis

1 article

Flexplate/Torque Converter Vibration Test

1 article

Isolating Vibration

1 article

Indexing Torque Converter

1 article

Noise and Vibration Analysis

1 article

Composition Plates

1 article

Steel Plates

1 article

Causes of Burned Clutch Plates

1 article

Engine Coolant in Transmission

1 article

General Method

1 article

Powder Method

1 article

Dye and Black Light Method

1 article

Find the Cause of the Leak

1 article

Gaskets

1 article

Seals

1 article

Transmission Oil Pan

1 article

Case Leak

1 article

Leak at the Torque Converter End

1 article

Leak at the Vent Pipe or the Fluid Fill Tube

1 article

Case Porosity Repair

1 article

Shift Solenoid Leak Test

1 article

Automatic Transmission Oil Cooler Flushing and Flow Test (J 35944-A)

1 article

Cooler Flow Check and Flushing Steps

1 article

Preparation

1 article

Flow Test

1 article

Clean-up

1 article

Automatic Transmission Oil Cooler Flushing and Flow Test (J 45096)

1 article

Code Recording Procedure

1 article

Forward Motion In Neutral

1 article

Inadequate Lubrication at Low Line or Heavy Loads

1 article

Inadequate Lubrication

1 article

Engine Stall In Neutral

1 article

No Torque in Reverse and Third

1 article

Transmission Overheats

1 article

Transmission Overheats at WOT

1 article

Shift Lever Indicates Wrong Gear

1 article

No Gear Selection

1 article

Remains In Park

1 article

Difficult to Shift Out of Park

1 article

Does Not Stay In Park

1 article

No Second Gear - D1

1 article

No Engine Braking - D2

1 article

No Overrun Braking - D3

1 article

No Engine Braking - D3

1 article

First Gear Only - D4

1 article

Soft Torque Converter Clutch (TCC) Apply

1 article

Torque Converter Clutch (TCC) Slipping

1 article

Converter Ballooning

1 article

No Torque Multiplication

1 article

Engine Stall

1 article

Third Gear Starts

1 article

Erratic Shift Quality

1 article

Transmission Slips

1 article

Case Extension Bearing/Seal Failed

1 article

Harsh Shift D to R

1 article

Harsh Shift 3 to 4

1 article

Harsh Shift 4 to 3

1 article

Harsh Shift D4 to D3, D2, or D1

1 article

Soft Shift Into R

1 article

Soft Shift R to D

1 article

Soft Shift 2 to 1

1 article

Soft Shift 2 to 3

1 article

Soft Shift 3 to 2

1 article

Soft Shift D3 to D2

1 article

No D2 to D1

1 article

No D3 to D2

1 article

Installation Procedure

1 article

Park/Neutral Position Switch Replacement

1 article

Removal Procedure

1 article

Park/Neutral Position Switch Adjustment

1 article

Pressure Regulator Replacement

1 article

Accumulator Housing Replacement

1 article

Third and Fourth Clutch Accumulator Disassembly

1 article

Manual Shift Shaft Seal Replacement

1 article

Valve Body and Pressure Switch Replacement

1 article

Transmission Extension Housing Rear Oil Seal Replacement

1 article

How to Use This Section

1 article

Basic Knowledge

1 article

Diagnosis

1 article

Throttle Positions

1 article

Shift Condition Definitions

1 article

Noise Conditions

1 article

Transmission Abbreviations

1 article

Transmission General Description

1 article

Transmission Component and System Description

1 article

Transmission Adaptive Functions

1 article

Clearing Transmission Adaptive Pressure (TAP)

1 article