Lexus ES: Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
This procedure includes the installation 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. INSTALL VACUUM PUMP ASSEMBLY
(a) When reusing the vacuum pump assembly:
| (1) Install a new No. 1 vacuum pump O-ring to the vacuum pump assembly. |
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| (b) Install the vacuum pump assembly so that the coupling teeth of the vacuum pump assembly and groove of the camshaft are engaged. NOTICE:
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| (c) Using an 8 mm socket wrench, install the vacuum pump assembly with the 3 bolts. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} NOTICE: After installation, check that there are no gaps between the matching surfaces and that the vacuum pump assembly is not installed at an angle. |
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2. INSTALL ENGINE WIRE
(a) Engage the 2 clamps to install the engine wire.
3. CONNECT NO. 1 VACUUM HOSE CONNECTOR
(a) Align the No. 1 vacuum hose connector with the vacuum pump assembly, and push them together until the No. 1 vacuum hose connector makes a "click" sound.
NOTICE:
- Check that there is no foreign matter on the connecting parts.
- After connecting the No. 1 vacuum hose connector, check that the vacuum pump assembly and No. 1 vacuum hose connector are securely connected by pulling on them.
4. INSPECT VACUUM PUMP OPERATION
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READ NEXT:
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. OPERATION CHECK (a) Disconnect the No. 1 vacuum hose connector from the vacuum pump assembly. Click here (b) Connect the hose of the vacuum gauge to the vacuum
Reassembly
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
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:
Rough Idling
DESCRIPTION Problem Symptom Suspected Area Trouble Area
Engine speed fluctuation due to abnormal combustion
Idle speed too low or high
Strong engine vibration due to above symptoms
Ignition malfunction
Deviation in air fuel ratio (Excessive or insufficient intake air volume
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Before performing troubleshooting for the front camera system, perform troubleshooting for the pre-collision system.
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If a pre-collision system related warning message is displayed on the multi-information display, refer to How to Proceed with Troublesh
