Lexus ES: Removal
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.
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PROCEDURE
1. DISCONNECT NO. 1 VACUUM HOSE CONNECTOR
(a) Pinch the retainer of the No. 1 vacuum hose connector, and then pull the No. 1 vacuum hose connector off of the vacuum pump assembly.
NOTICE:
Be sure to disconnect the No. 1 vacuum hose connector by hand.
| *a | Retainer |
.png) | Pinch |
.png) | Pull off |
2. SEPARATE ENGINE WIRE
| (a) Disengage the 2 clamps to separate the engine wire. |
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3. REMOVE VACUUM PUMP ASSEMBLY
| (a) Using an 8 mm socket wrench, remove the 3 bolts and vacuum pump assembly from the engine assembly. |
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| (b) Remove the No. 1 vacuum pump O-ring from the vacuum pump assembly. |
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READ NEXT:
Components
COMPONENTS ILLUSTRATION *1 ENGINE WIRE *2 NO. 2 SURGE TANK STAY *3 EARTH WIRE - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turni
Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE END COVER (a) Using a T30 "TORX" socket wrench, remove the 5 screws and end cover. NOTICE:
Hold the pump so that the pump installation surface, fitting parts an
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect
Cooling Fan Circuit
DESCRIPTION The ECM calculates an appropriate cooling fan speed based on the engine coolant temperature, air conditioning switch status, refrigerant pressure, engine speed and vehicle speed, and sends a signal to the cooling fan ECU (fan with motor assembly). The cooling fan ECU (fan with motor asse
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