18SP706 –

Replacement of the High Pressure
Fuel Pump Camshaft Oil Seal
(P/N: A0060705101)

KIT CONTENTS
Service kit P/N: A0060705101 contains all of the necessary parts to replace the high
pressure fuel pump camshaft oil seal on EPA07/10 and GHG14 DD13/15/16 engines,
built before engine serial number 201835 (KM59 - GEN1 fuel system) and ESN 205055
(KM63 - GEN2 fuel system) For engines built after these engine serial numbers with
HPFP camshaft oil seal leak, please contact the Detroit™ Customer Support Center
(CSC) at 800-445-1980.
Part No.
A0159979846
A0179978945
A0019919760
18SP706

Qty.
1
1
1
1

Description
High Pressure Fuel Pump Oil seal
High Pressure Fuel Pump O-ring
High Pressure Fuel Pump Locating Pin
Installation Instructions

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Tool Number
W470589055900

Service Tools Used in the Procedure
Tool Description
Tool Graphic
High Pressure Fuel Pump
Camshaft Oil Seal Kit

NOTE: This tool kit contains tool
numbers W470589055901,
W470589055902 and
W470589055903

W470589055901

Camshaft Oil Seal Installer

W470589055902

Camshaft Oil Seal Sleeve

W470589055903

Camshaft Oil Seal Remover

Replace as follows:
1. Remove the high pressure fuel pump from the engine. Refer to section "Removal of

the High Pressure Fuel Pump – Two-Filter System".
2. Remove the high pressure fuel pump gear from the high pressure fuel pump. Refer to
section "Removal of the High Pressure Fuel Pump Drive Gear -Two-Filter System" for
detailed instructions on how to remove the high pressure fuel pump drive gear.

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3. If equipped with a key, remove the high pressure fuel pump key from the high
pressure fuel pump camshaft. If equipped with a pin, Refer to section "Removal of the
High Pressure Fuel Pump Locating Pin -Two-Filter System" for detailed instructions on
how to remove the high pressure fuel pump locating pin.
4. Removed tape and towel from camshaft.
5. Install the high pressure fuel pump camshaft oil seal remover protector tool (1) on to
the high pressure fuel pump.

NOTE: While installing the camshaft oil seal remover tool to the camshaft oil seal, the oil
seal lip (A) may rip. If the oil seal lip (A) rips, remove and discard the oil seal lip. Then
reinstall the camshaft oil seal remover tool.

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6. Position the camshaft oil seal remover tool (W470589055903) over the high pressure
fuel pump camshaft till it has made contact with the camshaft oil seal. Once the
camshaft oil seal remover tool (W470589055903) has made contact with the camshaft
oil seal, press the remover tool firmly against the camshaft oil seal and rotate the
camshaft remover tool (W470589055903) clockwise by hand till the remover tool has
screwed in to the camshaft oil seal.

7. Remove the camshaft oil seal by holding the camshaft oil seal remover tool (1) and
turning the camshaft oil seal remover tool bolt (2).

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8. Remove the camshaft oil seal from the camshaft oil seal remover tool
(W470589055903).
9. Clean the face of the camshaft fuel seal, camshaft and the outside sealing area of the
camshaft oil seal inside the high pressure fuel pump.

10. Install the camshaft sleeve tool (W470589055902) on to the camshaft.

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11. Lightly coat the camshaft sleeve tool (W470589055902) with clean diesel fuel.

NOTICE:
Damage will occur if the inside of the new service camshaft oil seal is touched or
handled. If the inside of the new service camshaft oil seal has been touched or
handled, discard the seal and install a new seal.
NOTE:
The illustration below shows the FLAT side (1) of the service camshaft oil seal.

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12. Place the new service camshaft oil seal on to the camshaft sleeve tool
(W470589055902) with the FLAT side of the camshaft oil seal facing outwards.

13. Using the camshaft oil seal installer tool (W470589055901), by hand, slide the
camshaft oil seal inwards till the camshaft oil seal presses against the high pressure fuel
pump.

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NOTE:
When installing the camshaft seal oil on to the high pressure fuel pump, the camshaft oil
seal installer tool MUST make contact with the high pressure fuel pump to seat the
camshaft oil seal correctly.
14. Remove the camshaft sleeve tool (W470589055902) from the camshaft.

15. Using a dead blow hammer, lightly tap the camshaft oil seal installer tool
(W470589055901) until the tool makes contact with the high pressure fuel pump.

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16. Inspect the camshaft oil seal, camshaft and high pressure fuel pump for damage.

17. If equipped with a key, install the high pressure fuel pump key on to the camshaft. If
equipped with a pin, refer to “Installation of the High Pressure Fuel Pump Locating Pin -

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Two-Filter System” for detailed instructions on how to install the high pressure fuel
pump locating pin.
NOTE:
Setting the locating pin depth is critical; follow the pin installation instructions closely.
18. Install the high pressure fuel pump gear on to the high pressure fuel pump. Refer to
section "Installation of the High Pressure Fuel Pump Drive Gear - Two-Filter System" for
detailed instructions on how to install the high pressure fuel pump drive gear.
19. Install the high pressure fuel pump on to the engine. Refer to section "Installation of
the High Pressure Fuel Pump – Two Filter System" for detailed instructions on how to
install the high pressure fuel pump.

Specifications are subject to change without notice. Detroit Diesel Corporation is registered to ISO 9001:2008.
Copyright © Detroit Diesel Corporation. All rights reserved. Detroit™ is a brand of Detroit Diesel Corporation,
a Daimler company.
18SP706 1408 As technical advances continue, specifications will change. Printed in U.S.A.

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