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5
TURBOCHARGER
Crankcase Blow-by Recirculating System
Crankcase blow-by is recirculated as shown in Fig. 7
Fig. 7 – Crankcase Blow-by Recirculating System
FRESH AIR
BLOW-BY GASES
EXHAUST GASES
CRANKCASE
BREATHER TUBE
T/C
A/C
EXIN
CHECKING WASTE GATE ACTUATOR
1. Disconnect the waste gate actuator hose at the
actuator.
2. Connect pressure/vacuum pump, Tool #19493.
3. Apply pressure of 14.2 psi (0.9 bar) and ensure
that the rod and link operate.
4. When pressure is released rod and link must
return to original position.
NOTE: DO NOT apply pressure more than 21.3
psi (1.5 bar) to the waste gate actuator or
the diaphragm will be damaged.
5. If the actuator hose is damaged or cracked it must
be replaced.
Fig. 8 – Checking Waste Gate Valve