Majestic L6-4.0L (1990)
FIG. 2
A.
Exhaust Manifold Connection
B.
Inlet Manifold Connection
C.
Olive
D.
Adaptor
E.
Steel Washer
F.
Manifold Boss Connection
G.
Sealing applications
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Clean the threads of the EGR housing, (fig. 2 F).
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Apply exhaust sealant (JLM 10602) to all threads (internal and external) as indicated in fig. 2 G.
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Install a new steel washer (EBC 5185) to the threaded adaptor.
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Install and tighten adaptor into EGR valve housing (refer to "Torque Specifications").
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Install EGR pipe into the adaptor. Do not tighten yet.
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Raise the vehicle on a lift.
NOTE:
Perform the following procedure from underneath the vehicle.
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Disconnect the EGR pipe (fig. 2 B) from the threaded adaptor at the inlet manifold.
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Remove the threaded adaptor from the manifold housing.
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Remove the copper washer.
NOTE:
If a brass adaptor is installed, replace it with the new steel adaptor (EBC 3930).
^
Clean the adaptor threads and inlet manifold housing threads.
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Apply exhaust sealant (JLM 10602) to the pipe sealing olive and threaded adaptor as indicated in fig. 2 G.
^
Install the new steel washer (EBC 5185) to the threaded adaptor.
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Install the threaded adaptor to the inlet manifold and tighten (refer to "Torque Specifications").
^
Install EGR pipe to the adaptor and tighten (refer to "Torque Specifications").
^
Clean any excess sealant from joint.
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Lower the vehicle.
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Tighten the EGR pipe at the adaptor (refer to "Torque Specifications") and clean any excess sealant from the joint.
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Mark the EGR valve housing for identification of this repair with three punch marks as indicated in fig. 1.
^
Check the VCM for the presence of fuel fail codes 26 or 44. If codes are present, erase the ECU memory by disconnecting the vehicle battery.
