Mitsubishi Lancer Evolution IV, Workshop Manual

Page: 100 / 391

INTAKE AND EXHAUST –
Exhaust Manifold and Turbocharger
15-13
"
C
A
OIL RETURN PIPE GASKET INSTALLATION
Install the gasket so that its print part is on the oil pan side.
INSPECTION
1. TURBOCHARGER CHECK
(1) Visually check the turbine wheel and compressor wheel
for damage and cracking.
(2) Check that the turbine wheel and compressor wheel can
be turned manually with a light force.
(3) Check that there is no oil leak from the turbocharger.
(4) Check to see if the wastegate valve remains open. If
any of these faulty symptoms is evident, disassemble
the turbocharger and replace the defective part.
NOTE
For the disassembly procedure, refer to ENGINE
WORKSHOP MANUAL.
2. EXHAUST MANIFOLD CHECK
(1) Check the exhaust manifold for damage and cracking
and replace it as necessary.
(2) Using a straightedge and feeler gauge, check the cylinder
head mounting surface for distortion and replace as
necessary.
Standard value: Within 0.15 mm
Limit: 0.2 mm
Print
Gasket
Compressor wheel