Perkins 403F-11 — Wastegate - Test
Testing & diagnosis · turbocharger wastegate
For the Perkins 403F-11, from the Perkins service manual.
Applies to: Perkins 403F-11
Before you start
- Hot engine components can cause burns; allow engine to cool.
Procedure
- Remove heat shield from turbocharger and guard for wastegate.
- Remove boost line from wastegate and connect adjustable air supply.
- Install dial indicator so actuator rod contacts plunger.
- Slowly apply air pressure so actuator rod moves 1.0 mm; pressure should be within 52 kPa (7.5 psi).
- Ensure dial gauge returns to zero and repeat test several times.
- Replace turbocharger if operation is not correct.
Tools required
- 21825617 Dial Indicator Group Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 1.0 mm (0.039 inch)
- 52 kPa (7.5 psi)
Source: Perkins 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.