Detroit Diesel — Installation of the DD13 Cylinder Head
Installation
From a Detroit Diesel service manual — check it applies to your exact model before use.
Procedure
- Inspect head bolt holes for oil, water, dirt or damaged threads.
- Verify cylinder liner protrusion heights are within specification.
- Install cylinder head guide studs (W471589016100).
- Position a new cylinder head gasket onto the cylinder block.
- Install four lift hooks onto the cylinder head.
- Lift the cylinder head into position using tool W470589006200; lower over guide studs and dowel pins.
- Remove the guide studs and lifting hooks.
- Coat threads and undersides of bolt heads with clean engine oil.
- Install the 40 cylinder head bolts; torque bolts 1 through 38 in three steps: 200 N·m, 90° torque turn, 90° torque turn.
- Torque the small bolts (39 and 40) to 60 N·m.
- Check and adjust gear lash as needed.
- Install turbocharger flange bolts, EGR crossover tube, EGR actuator harness and heat shield.
- Install camshaft housing, camshafts, rocker arm/engine brake assemblies.
- Install fuel injectors, engine brake solenoids and injector harness; install high pressure lines.
- Set valve lash and engine brake; install rocker cover; fill cooling system and prime lubrication.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Cylinder head bolts 1-38: 200 N·m (147 lb·ft), 90°, 90°
- Small bolts 39 and 40: 60 N·m (44 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.