Mirage L4-1597cc 1.6L SOHC Turbo (1985)
Turbocharger: Service and Repair
REMOVAL
Before servicing the turbocharger, ensure turbocharger exhaust pipes have cooled.
1.
Disconnect battery ground cable.
2.
Remove turbocharger heat protector.
3.
Remove oxygen sensor from catalytic converter.
4.
Disconnect catalytic converter from turbocharger assembly.
5.
Disconnect oil hose from oil return line and timing chain case.
6.
Remove oil line and oil filter bracket from turbocharger assembly.
7.
Remove air intake pipe attaching bolt.
8.
Remove turbocharger assembly attaching nuts, then the turbocharger from exhaust manifold.
INSPECTION
Turbocharger
1.
Check turbocharger case for cracks or damage. Replace turbocharger assembly, if necessary.
2.
Check turbine and compressor wheels for wear and/or damage.
3.
Ensure turbine and compressor wheels rotate smoothly.
Wastegate Actuator
1.
Using a suitable hand held pressure pump, apply pressure to the wastegate actuator through the nipple.
2.
Ensure actuator operates smoothly without binding.
Fig. 1 Turbocharger assembly.
