Information fuel-injection pump
ZEXEL
106086-5400
1060865400
NISSAN-DIESEL
1671197563
1671197563
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Introduction
Do not perform any procedure in this Special Instruction until you read this information and you understand this information.Affected Engines
This Special Instruction provides the proper instructions on accessing the timing hole for high pressure fuel pumps on C7 Engines. The procedure is for the C7 Engines that are in General Motors and Blue Bird chassis. The timing hole may need to be accessed after the high pressure fuel injection pump is replaced in order to time the new high pressure pump.Disassembly Procedure
Illustration 1 g01458243
(1) Clean Gas Induction (CGI) Cooler (2) Aftertreatment Regeneration Device (ARD) Housing Bracket (3) Timing Hole Plug (4) Aftertreatment Regeneration Device (ARD) Housing
Illustration 2 g01458244
(5) Mounting bolts for the bracket for the ARD housing
Remove the two mounting bolts (5) from the bracket for the housing for the ARD. Use a 18 millimeter socket in order to loosen the mounting bolts. Make sure that the socket can flex. Also use a 12 inch socket extension in order to loosen the mounting bolts. After the bolts have been broken loose the bolts must be turned by hand in order to finish removing the bolts.
Illustration 3 g01458245
(6) Exhaust clamp for the ARD
Loosen the exhaust clamp (6) for the ARD. Slide the exhaust clamp down the exhaust pipe. Do not remove the clamp completely. This may cause the clamp to become bent. This may cause the clamp to not fit properly.
Illustration 4 g01458247
(7) Timing hole for the high pressure fuel pump
Move the housing bracket for the ARD to the side. This will provide enough clearance in order to remove the plug from the timing hole.The timing hole can be used to check the timing for the fuel injection pump. If the fuel injection pump needs to be timed properly then refer to Disassembly and Assembly, RENR9707, "Fuel Injection Pump - Install" for the proper installation procedure to ensure the the fuel injection pump will be timed properly.Assembly Procedure
Illustration 5 g01458476
(3) Timing hole plug
Reinstall the timing hole plug (3) back into the timing hole.
Illustration 6 g01458245
(6) Exhaust clamp for the ARD
Reinstall the exhaust clamp (6) for the ARD.
Illustration 7 g01458244
(5) Mounting bolts for the housing bracket for the ARD
Move the bracket for the ARD into the original position. Reinstall the mounting bolts (5) for the mounting bracket for the ARD.
Do not perform any procedure in this Special Instruction until you read this information and you understand this information.Affected Engines
This Special Instruction provides the proper instructions on accessing the timing hole for high pressure fuel pumps on C7 Engines. The procedure is for the C7 Engines that are in General Motors and Blue Bird chassis. The timing hole may need to be accessed after the high pressure fuel injection pump is replaced in order to time the new high pressure pump.Disassembly Procedure
Illustration 1 g01458243
(1) Clean Gas Induction (CGI) Cooler (2) Aftertreatment Regeneration Device (ARD) Housing Bracket (3) Timing Hole Plug (4) Aftertreatment Regeneration Device (ARD) Housing
Illustration 2 g01458244
(5) Mounting bolts for the bracket for the ARD housing
Remove the two mounting bolts (5) from the bracket for the housing for the ARD. Use a 18 millimeter socket in order to loosen the mounting bolts. Make sure that the socket can flex. Also use a 12 inch socket extension in order to loosen the mounting bolts. After the bolts have been broken loose the bolts must be turned by hand in order to finish removing the bolts.
Illustration 3 g01458245
(6) Exhaust clamp for the ARD
Loosen the exhaust clamp (6) for the ARD. Slide the exhaust clamp down the exhaust pipe. Do not remove the clamp completely. This may cause the clamp to become bent. This may cause the clamp to not fit properly.
Illustration 4 g01458247
(7) Timing hole for the high pressure fuel pump
Move the housing bracket for the ARD to the side. This will provide enough clearance in order to remove the plug from the timing hole.The timing hole can be used to check the timing for the fuel injection pump. If the fuel injection pump needs to be timed properly then refer to Disassembly and Assembly, RENR9707, "Fuel Injection Pump - Install" for the proper installation procedure to ensure the the fuel injection pump will be timed properly.Assembly Procedure
Illustration 5 g01458476
(3) Timing hole plug
Reinstall the timing hole plug (3) back into the timing hole.
Illustration 6 g01458245
(6) Exhaust clamp for the ARD
Reinstall the exhaust clamp (6) for the ARD.
Illustration 7 g01458244
(5) Mounting bolts for the housing bracket for the ARD
Move the bracket for the ARD into the original position. Reinstall the mounting bolts (5) for the mounting bracket for the ARD.