Hummer H3. Manual — part 914

Courtesy of GENERAL MOTORS CORP.

Rear Bumper Impact Bar Replacement

REAR BUMPER STEP PAD REPLACEMENT

Callout

Component Name

Preliminary Procedure:
Remove the rear bumper step pad. Refer to Rear Bumper Step Pad Replacement.

1

Rear Bumper Impact Bar Bolts (Qty: 2)

Tighten: 1 N.m (1 lb ft)

NOTE:

Refer to Fastener Notice .

2

Front Tow Hook Bracket Bolts (Qty: 2)

Tighten: 100 N.m (74 lb ft)

3

Rear Bumper Impact Bar Bolts (Qty: 4)

Tighten: 1 N.m (1 lb ft)

4

Rear Bumper Impact Bar
Tip: Disconnect any electrical connectors before attempting to remove the
rear bumper impact bar.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Bumpers and Fascias - H3

Fig. 7: Step Pad Replacement - Rear Bumper
Courtesy of GENERAL MOTORS CORP.

Rear Bumper Step Pad Replacement

Callout

Component Name

1

Rear Bumper Pad
Tip: Reach under the rear bumper assembly to access the retaining tabs and
squeeze them while lifting on the pad to release it from the bumper
assembly.

2007 Hummer H3

2007 ACCESSORIES & EQUIPMENT Bumpers and Fascias - H3

2007 TRANSMISSION

Clutch - H3

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

Fastener Tightening Specifications

SEALERS AND LUBRICANTS

Sealers and Lubricants

DIAGNOSTIC INFORMATION AND PROCEDURES

DIAGNOSTIC STARTING POINT - CLUTCH

Reviewing the Clutch System Description and Operation will help you determine the correct
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 - Clutch in order to identify the correct procedure for diagnosing
the system and where the procedure is located.

SYMPTOMS - CLUTCH

Strategy Based Diagnostics

Application

Specification

Metric

English

Clutch Actuator Cylinder Bolt

8 N.m

71 lb in

Clutch Pedal Assembly Nut

20 N.m

15 lb ft

Clutch Pressure Plate Bolt

First Pass

20 N.m

15 lb ft

Final Pass

45 degrees

Application

Type of Material

GM Part Number

United

States

Canada

Clutch Hydraulic Fluid

DOT 3 Hydraulic

Fluid

12345347

992667

2007 Hummer H3

2007 TRANSMISSION Clutch - H3

2007 Hummer H3

2007 TRANSMISSION Clutch - H3

Review the system operations in order to familiarize yourself with the system functions. Refer to
Clutch System Description and Operation.

Visual/Physical Inspection

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

Inspect the clutch master cylinder for the correct fluid level.

Inspect the hydraulic clutch lines for dents, kinks or other obvious damage that may affect
the clutch system operations.

Inspect the clutch system for contamination of dirt, oil or other substances that may affect
the clutch system operations.

Intermittent

Test the vehicle under the same conditions that the customer reported, in order to verify the
system is operating properly.

Symptom List

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

Clutch Drag Hard Shifting

Clutch Slipping

Clutch Grabbing

Clutch Rattle

Clutch Noisy

Clutch Pedal Spongy Low Pedal Effort

Clutch Pedal Hard to Push

Clutch Vibration

CLUTCH DRAG HARD SHIFTING

Clutch Drag Hard Shifting

Cause

Action

DEFINITION: The clutch does not disengage completely to allow smooth shift operations.
It may cause gear clashing while the vehicle is not moving, at idle and shifting out of neutral
or hard shifting in and out of gears while driving the vehicle.

2007 Hummer H3

2007 TRANSMISSION Clutch - H3