Section 2.13 Fuel Pump Drive

Section 2.13
Fuel Pump Drive

Perform the following procedures for removal and installation of the fuel pump drive.‪

Section 2.13.1
Fuel Pump Drive Removal

Perform the following to remove the fuel pump drive.‪

  1. Remove the crankshaft vibration damper from the engine through the opening in the bumper.
  2. Remove the idler pulley.
  3. Remove the air conditioner compressor pad.
  4. Remove the fuel pump. Refer to "2.12.1 Fuel Pump Removal" .
  5. Remove the bolts securing the camshaft cover to the cylinder block and remove the cover.
  6. Remove the fuel pump driven gear bolt while holding the fuel pump drive splines with locking tool (J-46187). See Figure "Fuel Pump Gear Locking Device J-46187" .
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    Figure 1. Fuel Pump Gear Locking Device J-46187

  7. Remove the bolt from the fuel pump driven gear and use a puller to remove the gear. See Figure "Removing/Installing Fuel Pump Drive Assembly" .
    Click to see this graphic in a separate window

     1. Drive Gear Mounting Bolt‪

     5. Fuel Pump Gasket‪

     2. Fuel Pump Driven Gear‪

     6. Fuel Pump Assembly‪

     3. Retaining Ring (2)‪

     7. Fuel Pump Mounting Bolts‪

     4. Fuel Pump Drive Assembly‪

    Figure 2. Removing/Installing Fuel Pump Drive Assembly

  8. Remove the snap ring from the front of the cylinder block and inside the drive assembly bore.
  9. Using fuel pump bearing driver (J-47073), drive the bearing out from the rear to the front of engine. See Figure "Fuel Pump Bearing Driver J-47073" . If bearing is bad replace the bearing, Refer to "2.13.2 Fuel Pump Drive Installation " .
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    Figure 3. Fuel Pump Bearing Driver J-47073

Section 2.13.2
Fuel Pump Drive Installation

Perform the following to install the fuel pump drive.

  1. Install the snap ring in the backside of the cylinder block fuel pump drive bore. See Figure "Removing/Installing Fuel Pump Drive Assembly" .
  2. From the front of the engine and using fuel pump bearing driver (J–47073), drive the fuel pump drive assembly into the housing until it contacts the snap ring. See Figure "Fuel Pump Bearing Driver J-47073" .
    Click to see this graphic in a separate window

     1. Torque Wrench‪

     3. Fuel Pump‪

     2. Fuel Pump Drive Gear Splines‪

     4. Fuel Pump Gasket‪

    Figure 4. Torquing Fuel Pump Drive Gear

  3. Install the snap ring in the front side of the cylinder block fuel pump drive bore to secure the fuel pump drive. See Figure "Removing/Installing Fuel Pump Drive Assembly" .
  4. Install fuel pump driven gear and bolt. Apply Loctite® 271 sealant to the bolt threads and install gear and bolt. Install the fuel pump gear locking device (J–46187) to the fuel pump drive splines and secure the shaft from turning while torquing bolt. See Figure "Torquing Fuel Pump Drive Gear" and Figure "Fuel Pump Gear Locking Device J-46187" .
  5. Torque the driven gear bolt to 35 N·m (26 lb·ft).
  6. Install the camshaft cover. Torque the bolts to 50 N·m (37 lb·ft).
  7. Install the fuel pump and a new fuel pump gasket. Refer to "2.12.2 Fuel Pump Installation" .
  8. Install camshaft front cover and secure with eight bolts. Torque the bolts to 50 N·m (37 lb·ft).
  9. Install the air conditioner compressor pad.
  10. Install idler pulley.
  11. Install the alternator and electrical connections.
  12. Install the crankshaft vibration damper on the crankshaft.


MBE 4000 Service Manual - 6SE412
Generated on 10-13-2008