PROCEDURE
REMOVE NO. 1 ENGINE UNDER COVER
REMOVE FRONT NO. 3 ENGINE UNDER COVER
REMOVE FRONT CENTER FLOOR BRACE SUB-ASSEMBLY
DRAIN ENGINE COOLANT (w/ Exhaust Heat Recirculation System)
REMOVE AIR FUEL RATIO SENSOR
REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Front and Rear Catalyst) (w/ Exhaust Heat Recirculation System)
CAUTION:
Perform this procedure when the coolant is not hot.
Disconnect the 3 clamps and oxygen sensor connector.
Slide the 2 clips and disconnect the 2 heater water hoses.
Remove the 4 bolts and 4 compression springs.
Remove the front exhaust pipe assembly (TWC: Front and Rear Catalyst) from the 2 exhaust pipe supports.
Remove the 2 gaskets from the front exhaust pipe assembly (TWC: Front and Rear Catalyst) and exhaust manifold.
REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Front and Rear Catalyst) (w/o Exhaust Heat Recirculation System)
Disconnect the 3 clamps and oxygen sensor connector.
Remove the 4 bolts and 4 compression springs.
Remove the front exhaust pipe assembly (TWC: Front and Rear Catalyst) from the 2 exhaust pipe supports.
Remove the 2 gaskets from the front exhaust pipe assembly (TWC: Front and Rear Catalyst) and exhaust manifold.
REMOVE FRONT NO. 1 FLOOR HEAT INSULATOR
Remove the 3 nuts and No. 1 floor heat insulator.
REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
Remove the 3 bolts and No. 1 exhaust manifold heat insulator from the exhaust manifold.
REMOVE MANIFOLD STAY
Remove the 3 bolts and manifold stay.
REMOVE EXHAUST MANIFOLD
Remove the 7 nuts and exhaust manifold.
Remove the exhaust manifold to head gasket and EGR cooler gasket.
REMOVE NO. 2 EXHAUST MANIFOLD HEAT INSULATOR
Remove the 3 bolts and No. 2 exhaust manifold heat insulator from the exhaust manifold.