Lexus ES: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. OPERATION CHECK
(a) Disconnect the No. 1 vacuum hose connector from the vacuum pump assembly.
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(b) Connect the hose of the vacuum gauge to the vacuum pump assembly. | |
(c) Start the engine and warm it up for more than 2 minutes.
(d) With the engine idling, check the vacuum of the vacuum pump assembly.
Standard Pressure:
More than 86.7 kPa (650 mmHg, 25.6 in.Hg)
HINT:
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If the pressure is less than the standard, disassemble and inspect the vacuum pump assembly. If necessary, replace the vacuum pump assembly.
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Always perform this operation check procedure after replacing or servicing the vacuum pump assembly.
(e) Remove the vacuum gauge from the vacuum pump assembly.
(f) Connect the No. 1 vacuum hose connector to the vacuum pump assembly.
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READ NEXT:
REASSEMBLY PROCEDURE 1. CLEAN VACUUM PUMP HOUSING (a) Clean the inside surface of the vacuum pump housing. 2. INSTALL VACUUM PUMP ROTOR (a) Clean the vacuum pump rotor. (b) Apply engine oil to the are
REMOVAL CAUTION / NOTICE / HINT NOTICE: This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts. Click here PROCEDURE
SEE MORE:
If a wheel is bent, cracked or heavily
corroded, it should be replaced.
Otherwise, the tire may separate
from the wheel or cause a loss of
handling control.
Wheel selectio
When replacing wheels, care should
be taken to ensure that they are equivalent
to those removed in load capacity,
dia
DESCRIPTION The speed sensor detects the wheel speed and sends the appropriate signals to the skid control ECU. The skid control ECU converts these wheel speed signals into a pulse signal and outputs it to the ECM via the combination meter. The ECM determines the vehicle speed based on the frequency
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