Hummer H2. Manual — part 990

2004 DRIVELINE/AXLE

Propeller Shaft - Hummer H2

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

Fastener Tightening Specifications

COMPONENT LOCATOR

DRIVELINE DISASSEMBLED VIEWS

Fig. 1: Front Propeller Shaft Component Views
Courtesy of GENERAL MOTORS CORP.

Callouts For Fig. 1

Application

Specification

Metric

English

Yoke Retainer Bolts

25 N.m

18 lb ft

Callout

Component Name

1

Propeller Shaft Universal Joint

2004 Hummer H2

2004 DRIVELINE/AXLE Propeller Shaft - Hummer H2

2004 Hummer H2

2004 DRIVELINE/AXLE Propeller Shaft - Hummer H2

Fig. 2: One-Piece Propeller Shaft Component Views
Courtesy of GENERAL MOTORS CORP.

Callouts For Fig. 2

2

Propeller Shaft Tube

3

Propeller Shaft Universal Joint

4

Propeller Shaft Slip Yoke

5

Propeller Shaft Rear Slip Yoke Boot Clamp - Front

6

Propeller Shaft Rear Slip Yoke Boot

7

Propeller Shaft Rear Slip Yoke Boot Clamp - Rear

Callout

Component Name

1

Propeller Shaft Slip Yoke

2

Propeller Shaft Universal Joint Spider Bearing Retainer Ring

3

Propeller Shaft Universal Joint

4

Propeller Shaft Tube

5

Propeller Shaft Universal Joint Spider Bearing Retainer Ring

6

Propeller Shaft Universal Joint

7

Propeller Shaft Bearing Retainer

2004 Hummer H2

2004 DRIVELINE/AXLE Propeller Shaft - Hummer H2

DIAGNOSTIC INFORMATION AND PROCEDURES

DIAGNOSTIC STARTING POINT - PROPELLER SHAFT

Begin the system diagnosis by reviewing the system Description and Operation. Reviewing the Description and
Operation information will help you determine the correct symptom diagnostic procedure when a malfunction
exists. Reviewing the Description and Operation information will also help you determine if the condition
described by the customer is normal operation. Refer to Symptoms - Propeller Shaft in order to identify the
correct procedure for diagnosing the system and where the procedure is located.

SYMPTOMS - PROPELLER SHAFT

Before beginning diagnosis, review the system description and operation in order to familiarize yourself with
the system function. Refer to Propeller Shaft Description and Operation .

Classifying the Symptom

Propeller Shaft symptoms can usually be classified into the following categories:

z

Leaks

z

Noises

z

Vibrations

Leak and noise related symptoms are diagnosed within the Propeller Shaft section. For vibration related
symptoms, refer to Diagnostic Starting Point - Vibration Diagnosis and Correction in Vibration Diagnosis
and Correction for diagnosis.

Visual/Physical Inspection

z

Inspect the system for aftermarket devices which could affect the operation of the Propeller Shaft.

z

Inspect the easily accessible or visible system components for obvious damage or conditions which could
cause the symptom.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

z

Universal Joint Noise

z

Ping, Snap, or Click Noise

z

Knock or Clunk Noise

z

Scraping Noise

z

Squeak Noise

8

Propeller Shaft Bearing Retainer Bolt

2004 Hummer H2

2004 DRIVELINE/AXLE Propeller Shaft - Hummer H2

UNIVERSAL JOINT NOISE

Universal Joint Noise

PING, SNAP, OR CLICK NOISE

Ping, Snap, or Click Noise

KNOCK OR CLUNK NOISE

Knock or Clunk Noise

SCRAPING NOISE

Problem

Action

One or more of the universal joints
are worn or damaged.

Replace the universal joint. Refer to the following:

z

Universal Joint Replacement - Nylon Injected Ring

z

Universal Joint Replacement - External Snap Ring

One or more of the universal joints
have lost lubricant

Replace the universal joint. Refer to the following:

z

Universal Joint Replacement - Nylon Injected Ring

z

Universal Joint Replacement - External Snap Ring

The yoke retainer strap bolts are
loose

Tighten the yoke retainer strap bolts to specifications. Refer to
Fastener Tightening Specifications .

Checks

Action

DEFINITION: A ping, snap or click is usually heard on initial load after the transmission is in gear,
either in forward or reverse.
The fixed yoke or the pinion yoke is
loose.

Tighten the bolts and the pinion nut to specified torque. Refer to
Fastener Tightening Specifications .

One or more of the universal joints
are worn or damaged.

Replace the universal joint. Refer to the following:

z

Universal Joint Replacement - Nylon Injected Ring

z

Universal Joint Replacement - External Snap Ring

Checks

Action

DEFINITION: Knocking or clunking noise occurs when operating the vehicle in high gear or coasting in
neutral at 16 km/h (10 mph).
One or more of the universal joints are
worn or damaged.

Replace the universal joint. Refer to the following:

z

Universal Joint Replacement - Nylon Injected Ring

z

Universal Joint Replacement - External Snap Ring

The side gear hub counterbore in the
differential is worn oversize.

Replace the differential case and/or the side gears. Refer to
Differential Replacement in Rear Drive Axle.

2004 Hummer H2

2004 DRIVELINE/AXLE Propeller Shaft - Hummer H2