Cordia L4-2.0L SOHC (1984)
Turbocharger: Technical Service Bulletins
Turbocharger - Replacement Procedure
SUBJECT:
CORDIA/TREDIA TURBOCHARGER REPLACEMENT
NO.
STB-85-09-007
DATE December 1985
MODEL 1983-84 Cordia/Tredia
PURPOSE This bulletin contains the procedure for replacing the non-watercooled turbocharger in the 1983-84 Cordia and Tredia with a watercooled
turbo similar to that used in 1985 and later models.
PARTS REQUIRED Parts required for the conversion are:
1 - Watercooled Turbo Kit
MD997209
1 - Cartridge Assembly
MD613504
LABOR OPERATION CODE AND TIME ALLOWANCE
Labor Operation Code:
09 46 01 90
Time Allawance:
4.0 hrs.
PROCEDURE
1.
Position the car on a hoist.
2.
Drain the engine coolant.
3.
Disconnect the accelerator cable and, if so equipped, the cruise control cable.
4.
Disconnect the water temperature sensor connector and the oxygen sensor connector.
5.
Remove the following
a.
Air intake pipe
b.
Air intake hose
c.
Secondary air pipe
d.
Three heat shields
6.
Disconnect the wastegate actuator vacuum tube, and remove the wastegate actuator.
7.
Disconnect and remove the turbo oil inlet pipe
8.
Raise the car on the hoist.
9.
Disconnect the catalytic converter clamp bolt and flange nut.
10.
Lower the car to the floor.
11.
Remove the catalytic converter.
12.
Disconnect the oil drain pipe from the turbo and the engine oil pan. Inspect the pipe for restrictions; replace if restricted or clogged.
13.
Remove 2 bolts and 2 nuts to disconnect the turbine housing from the exhaust manifold, and lift the turbo assembly carefully out of the car.
14.
Clamp the compressor housing in a soft-jawed vise, remove the clamping ring, and separate the turbine housing from the cartridge assembly.
15.
With snapring pliers, remove the snapring securing the compressor housing to the cartridge, and then separate the two.
16.
Inspect the turbine housing and compressor housing for damage caused by the turbine wheels. If damage is evident replace the component.
17.
Oil the O-ring on the new cartridge MD613504 and assemble it to the compressor housing, being sure to index the notch in the cartridge with the
locating dowel in the housing.
18.
Reinstall the snapring, beveled side up.
19.
Assemble the turbine housing to the cartridge. Note the locating pin which must fit into the hole in the turbine housing. Reinstall the clamp and
tighten the clamp bolt to 10-11 N-m (85-95 in.lbs).
20.
Remove the upper heater hose - the one connected to the thermostat housing.
