2000 MITSUBISHI MONTERO Service Repair Manual

INTAKE AND EXHAUST -Turbocharger and Exhaust
Manifold <4M4>15-15
INSTALLATION SERVICE POINT
"
AA
TURBOCHARGER ASSEMBLY INSTALLATION
1. Check the internal surface, the eye bolt and the
mating surface of the oil pipe and water pipe for
clogging, and clean if necessary.
2. If deposits of carbon are accumulated on the
turbocharger oil passage, remove them and clean
using the compressed air.
Caution
Be careful not to allow foreign material to enter the
turbocharger.
3. Add clean engine oil through the oil feed pipe port
on the turbocharger.
INSPECTION
Check the following points; replace the part if a problem is
found.
EXHAUST MANIFOLD CHECK
1. Check for damage or cracking of any part.
2. Using a straight edge and a thickness gauge, check for
distortion of the cylinder head installation surface.
Standard value: 0.15 mm or less
Limit: 0.20 mm
TURBOCHARGER ASSEMBLY CHECK
DVisually check the turbine wheel and the compressor
wheel for cracking or other damage.
DCheck whether the turbine wheel and the compressor
wheel can be easily turned by hand.
DCheck for oil leakage from the turbocharger assembly.
DCheck whether or not the waste gate valve remains open.
If any problem is found, replace the part after disassembly.
OIL PIPE AND OIL RETURN PIPE CHECK
Check the oil pipe and oil return pipe for clogging, bending,
or other damage. If there is clogging, clean it.
EXHAUST MANIFOLD CHECK
Damage or cracking of any part.


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XH AUST PIP E AND MAIN MUFFLE R <6G 7>
R EM OVA L AND IN STA LLA TIO N 1
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