Detroit Diesel — Fuel Pump Drive Installation
Installation
From a Detroit Diesel service manual — check it applies to your exact model before use.
Procedure
- Install the snap ring in the backside of the cylinder block fuel pump drive bore.
- Using bearing driver J-47073, drive the fuel pump drive assembly into the housing until it contacts the snap ring.
- Install the snap ring in the front side of the bore to secure the drive.
- Install the fuel pump driven gear and bolt; apply Loctite 271 sealant to bolt threads and hold splines with J-46187.
- Torque the driven gear bolt to 35 N·m (26 lb·ft).
- Install the camshaft cover; torque bolts to 50 N·m (37 lb·ft).
- Install the fuel pump and a new fuel pump gasket (refer to 2.12.2).
- Install camshaft front cover and secure with eight bolts; torque to 50 N·m (37 lb·ft).
- Install the air conditioner compressor pad (refer to 8.1.12).
- Install idler pulley (refer to 8.1.10).
- Install the alternator and electrical connections.
- Install the crankshaft vibration damper on the crankshaft (refer to 1.11.2).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Driven gear bolt: 35 N·m (26 lb·ft)
- Camshaft cover bolts: 50 N·m (37 lb·ft)
- Camshaft front cover bolts: 50 N·m (37 lb·ft)
Source: Detroit Diesel service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.