B3.9 and B5.9 Series Engines
Turbocharger Wastegate Actuator (010-050)
Section 10 - Air Intake System - Group 10
Install the exhaust pipe to the turbocharger and tighten the
Operate the engine, and check for air leaks.
Turbocharger Wastegate Actuator
Initial Check (010-050-001)
NOTE: This procedure applies to actuators that are ad-
justable before pre-1998 B Series engines. B Series en-
gines after January 1998 are not adjustable and the act-
uators are tamper proof.
Some versions of B Series engines are equipped with
wastegated turbochargers to limit the peak boost level and
increase engine response at low rpm.
The integral wastegate line takes boost from the turbo-
charger compressor outlet to the wastegate capsule.
Inspect the integral wastegate actuator hose for cracks or
Replace the hose if damaged.
A bent wastegate mounting bracket, actuator rod, or
lever can cause improper operation.
Inspect the wastegate mounting bracket, actuator rod, and
lever for damage.
If the wastegate mounting bracket, actuator rod, or lever is
bent, it must be replaced.