PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHUAST THERMOCOUPLES ON CERTAIN G3606, G3608, G3612, AND G3616 ENGINES Caterpillar

PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHUAST THERMOCOUPLES ON CERTAIN G3606, G3608, G3612, AND G3616 ENGINES

Usage:

TEBE6978-01

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21Dec2017

(Revised 15Feb2019)

U-729

A-515

D-613

O-609

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After Failure Only	PRODUCT SUPPORT PROGRAM FOR REPLACING THE EXHUAST THERMOCOUPLES ON CERTAIN G3606, G3608, G3612, AND G3616 ENGINES
1919		PS53660

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NOTE:	Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
NOTE:	This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS53660" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.

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NOTE:

The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.

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NOTE:	This Revised Service Letter replaces the 21Dec2017 Service Letter. Changes have been made to the Affected Product, Parts Needed, and Action Required.

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TERMINATION DATE

31Dec2019

PROBLEM

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The existing exhaust thermocouples can fail on certain G3606, G3608, G3612, and G3616 Engines due to excessive heat and improper air flow.

AFFECTED PRODUCT

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Model	Identification Number
*****Group 1*****
G3612	BKE00192-00825, 80001
G3616	BLB00163-00555, 557-1017

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*****Group 2*****
G3606	4ZS00281-02213, 80001, 80003-80004
G3608	BEN00208-00577, 579-1214

PARTS NEEDED

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Qty	Part Number	Description
*****Group 1*****
2	5506653	SENSOR GP-TEMP
2	5506665	SENSOR GP-TEMP
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
*****Group 2*****
1	5506653	SENSOR GP-TEMP
1	5506665	SENSOR GP-TEMP
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 3% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.

ACTION REQUIRED

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Replace the exhaust thermocouples existing with exhaust thermocouples that have been extended by 35mm between the mounting nut and 90 degree bend. This is to move the thermocouple away from excessive heat to extend the life of the thermocouple grommet and harness.

Note: The thermocouple MUST be outside of exhaust heat wrap/insulation to prevent excessive heat damage.

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SERVICE CLAIM ALLOWANCES

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 1*****
0-25000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%

NOTE: This is a 1.5-hour job for Group 1

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Product smu/age whichever comes first	Caterpillar		Dealer Suggested		Customer Suggested
Product smu/age whichever comes first	Parts %	Labor Hrs%	Parts %	Labor Hrs%	Parts %	Labor Hrs%
*****Group 2*****
0-25000 hrs, 0-48 mo	100.0%	100.0%	0.0%	0.0%	0.0%	0.0%