Valve Clearance Adjustment - Lexus 2005 IS300 User Manual

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2005 LEXUS IS300 (RM1140U)
ENGINE MECHANICAL
VALVE CLEARANCE
ADJUSTMENT
HINT:
Inspect and adjust the valve clearance when the engine is cold.
1.
Remove the 4 nuts and engine cover.
2.
3.
4.
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A11131
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A11130
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- VALVE CLEARANCE
REMOVE ENGINE COVER
DRAIN ENGINE COOLANT
REMOVE INTAKE AIR RESONATOR
REMOVE THROTTLE BODY AND INTAKE AIR CON-
NECTOR ASSEMBLY
Disconnect the accelerator cable from the throttle body.
Disconnect the engine wire clamp from the clamp bracket
of the throttle body.
Disconnect the engine wire from the clamp on the throttle
body bracket.
Disconnect the accelerator pedal position sensor con-
nector.
Disconnect the throttle control motor connector.
Disconnect the throttle position sensor connector.
Disconnect the air assist hose from the intake air connec-
tor.
Disconnect the PCV hose from the intake air connector.
Disconnect the VSV connector for EVAP.
Disconnect the EVAP hose (from charcoal canister) from
the VSV for EVAP.
Disconnect the vacuum hose (from No. 2 vacuum pipe)
from the No. 1 vacuum pipe.
Remove the 2 nuts holding the throttle body bracket to the
cylinder head.
Remove the 4 bolts and 2 nuts holding the intake air con-
nector to the air intake chamber.
Disconnect the vacuum hose (from actuator for ACIS)
from the No. 1 vacuum pipe.
Disconnect the 2 water bypass hoses from the throttle
body, and remove the throttle body together with the in-
take air connector and gasket.
Author :
EM-5
EM0D2-07
Date :
1270