Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT VACUUM PUMP VANE (for TMC Made)

(a) Check that the vacuum pump vane or vacuum pump vane caps are not damaged or excessively worn out.

HINT:

If the vacuum pump vane or vacuum pump vane caps are damaged or excessively worn out, replace the damaged parts with new ones.

*1

Vacuum Pump Vane Cap

*2

Vacuum Pump Vane

(b) Using a micrometer, measure length (A) of the vacuum pump vane with the vacuum pump vane caps removed.

Minimum Length (A):

23.8 mm (0.937 in.)

NOTICE:

Measure the length 10 mm (0.394 in.) in from each end of the vacuum pump vane.

HINT:

If the length is not as specified, replace the vacuum pump vane and vacuum pump vane caps with new ones.

*a

10 mm (0.394 in.)

(c) Using a vernier caliper, measure length (B) of the vacuum pump vane with the vacuum pump vane caps installed.

Minimum Length (B):

80.5 mm (3.17 in.)

NOTICE:

Measure the length 5 mm (0.197 in.) in from each end of the vacuum pump vane caps.

HINT:

If the length is not as specified, replace the vacuum pump vane and vacuum pump vane caps with new ones.

*1

Vacuum Pump Vane

*2

Vacuum Pump Vane Cap

*a

5 mm (0.197 in.)

2. INSPECT VACUUM PUMP HOUSING (for TMC Made)

(a) Check that the areas shown in the illustration are not damaged or excessively worn out.

HINT:

If the areas shown in the illustration are damaged or excessively worn out, replace the vacuum pump assembly.

    Disassembly
    DISASSEMBLY PROCEDURE 1. REMOVE END COVER (for TMC Made) (a) Using a T30 "TORX" socket wrench, remove the 5 screws and end cover. NOTICE: Hold the pump so that the pump installation surface, f ...

    Reassembly
    REASSEMBLY PROCEDURE 1. INSTALL VACUUM PUMP VANE (for TMC Made) (a) Apply engine oil to the vacuum pump vane and vacuum pump vane caps and install the vacuum pump vane caps to the vacuum pump vane. (b ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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