Hummer H2. Manual — part 2382

The following items can affect the electrical connection:

z

Bent pins in the connector from rough handling during connection and disconnection

z

Wires backing away from the pins or coming uncrimped, in either the internal or the external wiring
harness

z

Dirt contamination entering the connector when disconnected

z

Pins in the internal wiring connector backing out of the connector or pushed out of the connector during
reconnection

z

Transmission fluid leaking into the connector, wicking up into the external wiring harness and degrading
the wire insulation

z

Moisture intrusion in the connector

z

Low pin retention in the external connector from excessive connection and disconnection of the wiring
connector assembly

z

Pin corrosion from contamination

z

Damaged connector assembly

Remember the following points:

z

In order to remove the connector, squeeze the two tabs toward each other and pull straight up without
pulling by the wires.

z

Limit twisting or wiggling the connector during removal. Bent pins can occur.

z

Do not pry the connector off with a screwdriver or other tool.

z

Visually inspect the seals to ensure that they are not damaged during handling.

z

In order to reinstall the external wiring connector, first orient the pins by lining up the arrows on each half
of the connector. Push the connector straight down into the transmission without twisting or angling the
mating parts.

z

The connector should click into place with a positive feel and/or noise.

z

Whenever the transmission external wiring connector is disconnected from the internal harness and the
engine is operating, DTCs will set. Clear these DTCs after reconnecting the external connector.

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS

Special Tools

Illustration

Tool Number/Description

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

Scan Tool

J 7004-1

Universal Remover

J 8001

Dial Indicator Set

J 8092

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

Universal Driver Handle - 3/4 in - 10

J 8433

Two Jaw Puller

J 8763-02

Holding Fixture and Base

J 21366

Converter Holding Strap

J 21368

Pump Body and Cover Alignment Band

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2

J 21426

Extension Housing Seal Installer

J 21427-01

Speedometer Gear Puller Adapter

J 21465-01

Bushing Service Set

J 21465-2

Pump Cover Bushing Installer

J 21465-15

Sun Gear and Stator Shaft Bushing Remover

2004 Hummer H2

2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E (Introduction) - Hummer H2