1991 LEXUS SC400 Service Repair Manual

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LEXUS SC400 1991  Service Repair Manual 
CYLINDER HEAD
EG279±01
COMPONENTS FOR REMOVAL AND
INSTALLATION
±
1UZ±FE ENGINE ENGINE MECHANICALEG±73 
WhereEverybodyKnowsYourName

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LEXUS SC400 1991  Service Repair Manual 
EG±74±
1UZ±FE ENGINE ENGINE MECHANICAL 
WhereEverybodyKnowsYourName

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LEXUS SC400 1991  Service Repair Manual 
EG24R±02
CYLINDER HEADS REMOVAL
(See Components for Removal and Installation)
1.  DISCONNECT TIMING BELT FROM CAMSHAFT TIMING PULLEYS
(See steps 1 to 29 on pages  EG±46 to 54)
2.  REMOVE CAMSHAFT T

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LEXUS SC400 1991  Service Repair Manual 
(b)  Remove the nut and 3 bolts, and disconnect the PS pumpfrom the engine.
5.  REMOVE TWC (FRONT)
(a)  Remove the 4 bolts holding the pipe support bracket to the transmission.
(b)  Remove the 4 bolt

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LEXUS SC400 1991  Service Repair Manual 
9.  REMOVE WATER INLET AND INLET HOUSING
(a)  Disconnect the water bypass hose from the IAC valve.
(b)  Remove the 2 bolts holding the water inlet housing to waterpump.
(c)  Pull out the water inlet

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LEXUS SC400 1991  Service Repair Manual 
(b)  Remove the 2 bolts, the vacuum pipe and hoses assembly.
12. California:REMOVE EGR VALVE
(a)  Disconnect the EGR valve connector.
(b)  Disconnect the following hoses:
(1)  Water bypass hose from

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LEXUS SC400 1991  Service Repair Manual 
(c)  Remove the bolt, 2 nuts, the EGR valve, vacuum modulatorassembly and gasket.
14.  REMOVE EGR VALVE ADAPTOR
(a)  Disconnect the EGR gas temperature sensor connector.
(b)  Disconnect the PCV hose

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LEXUS SC400 1991  Service Repair Manual 
16.  REMOVE HEATER WATER VALVE FROM BODY
(a)  Disconnect the VSV connector.
(b)  Disconnect  the bolt holding the engine wire clamp to thewater valve bracket.
(c)  Remove the 2 bolts, and disconnect