CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during exhaust manifold converter sub-assembly (TWC: Front Catalyst) removal/installation are shown below.
Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
---|---|---|---|
|
Inspection After Repair |
|
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
PROCEDURE
REMOVE FRONT CENTER FLOOR BRACE
REMOVE CENTER FLOOR CROSSMEMBER BRACE
REMOVE BODY MOUNTING PLATE
REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)
CAUTION:
To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.
Disconnect the heated oxygen sensor connector.
Remove the 4 bolts, 4 compression springs and disconnect the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust manifold converter sub-assembly (TWC: Front Catalyst) and center exhaust pipe assembly.
Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the 2 exhaust pipe supports.
Remove the 2 gaskets from the exhaust manifold converter sub-assembly (TWC: Front Catalyst) and the front exhaust pipe assembly (TWC: Rear Catalyst).
REMOVE NO. 2 MANIFOLD STAY
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
Remove the bolt, nut and No. 2 manifold stay from the exhaust manifold converter sub-assembly (TWC: Front Catalyst) and stiffening crankcase assembly.
REMOVE MANIFOLD STAY
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
Remove the bolt, nut and manifold stay from the exhaust manifold converter sub-assembly (TWC: Front Catalyst) and stiffening crankcase assembly.
REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
Remove the 4 bolts and No. 1 exhaust manifold heat insulator from the exhaust manifold converter sub-assembly (TWC: Front Catalyst).
REMOVE AIR FUEL RATIO SENSOR
REMOVE EXHAUST MANIFOLD CONVERTER SUB-ASSEMBLY (TWC: Front Catalyst)
CAUTION:
To prevent burns, do not touch the engine, exhaust manifold or other high temperature components while the engine is hot.
Remove the 5 nuts and exhaust manifold converter sub-assembly (TWC: Front Catalyst) from the cylinder head sub-assembly.
Remove the exhaust manifold to head gasket from the cylinder head sub-assembly.
REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
Remove the 2 bolts and No. 2 exhaust manifold heat insulator from the exhaust manifold converter sub-assembly (TWC: Front Catalyst).
REMOVE NO. 1 MANIFOLD CONVERTER INSULATOR
Remove the 4 bolts and No. 1 manifold converter insulator from the exhaust manifold converter sub-assembly (TWC: Front Catalyst).