Engine Mounting Group Bolt May Become Loose on Certain Compact Wheel Loaders {1152, 1153, 1154} Caterpillar

Compact Wheel Loader

906H2 (S/N: JRF1-UP)

906K (S/N: L661-UP)

906M (S/N: H661-UP; Z661-UP)

907H2 (S/N: JRS1-UP)

907K (S/N: L771-UP)

907M (S/N: H771-UP; Z771-UP)

908H2 (S/N: JRD1-UP)

908K (S/N: L881-UP)

908M (S/N: H881-UP; Z881-UP)

Introduction

The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.

Problem

Reports have been received that the engine mounting group bolt may become loose on the machines listed above. This causes unusual noises and vibrations in the engine bay.

Solution

Illustration 1	g06227458
Typical example Engine mounting group

Illustration 2	g06227460
Detailed view of area A (1) 8T-4176 Bolt

In the event of failure, replace 8T-4176 Bolt (1) with the same part number and tighten the bolt to a torque of 100 ± 20 N·m (74 ± 15 lb ft).