Lexus LS400 (2000 year). Service manual — part 71
EC03Y–02
B01074
Front Exhaust Pipe
LH TWC
Gasket
Gasket
RH TWC
Gasket
Gasket
Non–reusable part
61.8 (630, 46)
61.8 (630, 46)
43.1 (440, 32)
43.1 (440, 32)
N·m (kgf·cm, ft·lbf)
: Specified torque
EC–12
–
EMISSION CONTROL
THREE–WAY CATALYTIC CONVERTER (TWC)
SYSTEM
1314
THREE–WAY CATALYTIC CONVERTER (TWC) SYSTEM
COMPONENTS
EC03Z–01
–
EMISSION CONTROL
THREE–WAY CATALYTIC CONVERTER (TWC)
SYSTEM
EC–13
1315
INSPECTION
1.
CHECK EXHAUST PIPE ASSEMBLY
(a)
Check the connections for looseness or damage.
(b)
Check the clamps for weak ness, cracks or damage.
2.
INSPECT TWC
Check for dents or damage.
If any part of protector is damaged or dented to the extent that it contacts the TWC, repair or replace it.
3.
INSPECT HEAT INSULATOR
(a)
Check the heat insulator for damage.
(b)
Check for adequate clearance between the TWC and heat insulator.
EC040–02
P21361
Touch
B
A
Tighten
Protrusion
Hole
New
Gasket
Hollow
Front
EC–14
–
EMISSION CONTROL
THREE–WAY CATALYTIC CONVERTER (TWC)
SYSTEM
1316
INSTALLATION
CONNECT FRONT AND CENTER EXHAUST PIPES
HINT:
Install a new gasket to the exhaust pipe in the correct
direction.
Fit together the clamp protrusion and pipe hollow, and
tighten the clamp bolt until A and B of the clamp are just
touching.
EC03U–03
B10157
VSV for Canister
Closed Valve (CCV)
VSV for EVAP
PCV Valve
EVAP Service Port
TWC
Vapor Pressure Sensor
Cut Off Valve
Fill Check Valve
Vent Line
Air Drain Hose
Charcoal Canister
VSV for Pressure
Switching Valve
Air Inlet Line
Purge Line
EVAP Line
Fuel Vapor Feed Pipe
EC–2
–
EMISSION CONTROL
PARTS LAYOUT AND SCHEMATIC DRAWING
1304
PARTS LAYOUT AND SCHEMATIC DRAWING
LOCATION
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