Caterpillar 3406E — Turbocharger - Install
Repair & overhaul
For the Caterpillar 3406E, from the Caterpillar service manual.
Applies to: Caterpillar 3406E
Before you start
- Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.
Procedure
- Loosen V-band clamps (2) enough to allow compressor housing (1) and turbine housing (4) to rotate.
- Use 5P-3931 Anti-Seize Compound on the turbocharger to manifold bolts (5).
- Align compressor housing (1) and turbine housing (4). Install bolts (5). Do not tighten completely.
- Tighten V-band clamp (2) to 14 ± 3 N·m.
- Tighten manifold bolts (5) to 55 ± 5 N·m.
- Position compressor housing (1) so the air outlet is zero degrees from top vertical.
- Install V-band clamp (2) to 90 ± 10 degrees outboard from the bottom vertical.
- Tighten V-band clamp (2) nuts to 14 ± 3 N·m. Lightly hit around the diameter of the band clamps.
- Install tube assemblies (6) and (7).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- V-band clamp: 14 ± 3 N·m (10 ± 2 lb ft)
- Manifold bolts: 55 ± 5 N·m (41 ± 4 lb ft)
- Compressor housing air outlet: zero degrees from top vertical
- V-band clamp position: 90 ± 10 degrees outboard from the bottom vertical
Full service-parts list: Caterpillar 3406E →
Source: Caterpillar 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.