Conquest L4-2555cc 2.6L SOHC Turbo (1984)
Turbocharger: All Technical Service Bulletins
Turbocharger - Lack of Boost/Grinding Noises
Models
1984 Conquest
Subject
Lack of Turbocharger Boost and/or Grinding Noise From the Turbo Assembly
Index
FUEL
Date
(current)
No.
14-23-85
SYMPTOM/CONDITION
Lack of turbocharger boost which results in poor engine performance and/or grinding noises from tubocharger assembly..
DIAGNOSIS
Follow the turbo diagnosis and inspection procedure that is described on page 14-19 of the 1984 Conquest Service Manual, publication #81- 270-4005.
If it is determined the turbine cartridge bearings have failed, proceed with the installation of the water cooled turbocharger conversion kit outlined below.
PARTS REOUIRED
1
Turbo Cartridge, Water Cooled
PN MD613504
1
Turbo Plumbing Kit
PN MD997171
1
Turbo Cartridge "O" Ring
PN MD613776
1
02 Sensor Gasket
PN MD041864
1
Exhaust Manifold Gasket
PN MD102683
1
Oil Pipe Joint
PN MD017359
1
Oil Pipe Joint Gasket
PN MF660064
NOTE:
FOR COMPONENT PART SERVICE OF THE WATERCOOLED TURBO SYSTEM REFER TO THE 1985 CONQUEST
PARTS CATALOG.
REPAIR PROCEDURE
1.
Disconnect negative terminal of battery.
2.
Drain engine coolant and oil. Remove air filter to turbocharger rubber air inlet duct and set it aside. Save coolant.
