TIBU-7199

Service Bulletin Details

Public Details for: TIBU-7199

Caterpillar: due to front axle front spring pin is coming loose, trucks experiencing failures, because bolt are not large enough to prevent spring from moving side to side and causing a popping noise and allowing pin to back out. Model c

- 9999 - 2014 - 2013 - 2012 -

Models from 9999

9999 CATERPILLAR CATERPILLAR

Models from 2014

2014 CATERPILLAR CT660

Models from 2013

2013 CATERPILLAR CT660

Models from 2012

2012 CATERPILLAR CT660

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SB-10054692-8511
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Technical Information Bulletin
Certain On Highway Trucks are Experiencing Failures with the Front Axle Front Spring
Pin{7000}
Media Number -TIBU7199-00
Publication Date -03/12/2013
Date Updated -03/12/2013
Caterpillar: Confidential Yellow
i05407227
Certain On Highway Trucks are Experiencing Failures with the
Front Axle Front Spring Pin{7000}
SMCS - 7000
On Highway Truck:
CT660 (S/N: TRK1-UP; TKL1-UP; TSW1-UP; TSY1-UP)
Introduction
Certain On Highway Trucks are experiencing failures with the front Axle front spring pin coming
loose. The bolt was not large enough in order to prevent the spring from moving side to side. The side
to side movement causes a popping noise and can allow the pin to back out.
Problem
The front axle front spring pin is backing out due to wear and misalignment of the retaining bolt.
There is usually a popping noise associated with this failure.
Solution
Table 1
Required Parts
Qty
Part Number
Part Name
https://sis.cat.com/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/sisweb/... 1/2/2014
Advanced Full Text Search - TIBU7199 - Certain On Highway Trucks are Experiencing ...
1
360-8341
Nut
1
440-5294
Bolt
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Replace the retaining hardware for the front axle front spring pin with a new 440-5294 Bolt and 3608341 Nut
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