Toyota CH-R Service Manual: Inspection

Toyota CH-R Service Manual / Brake System (other) / Vacuum Pump / Inspection

INSPECTION

PROCEDURE

1. INSPECT VACUUM PUMP VANE

(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 length (A) 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):

76 mm (2.99 in.)

NOTICE:

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

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

(a) Check that the rotor part, coupling, vacuum pump housing and end cover are not damaged or excessively worn out.

HINT:

If the rotor part, coupling, vacuum pump housing or end cover are damaged or excessively worn out, replace the vacuum pump assembly.
    Disassembly
    DISASSEMBLY PROCEDURE 1. REMOVE END COVER (a) Using a T25 "TORX" socket wrench, remove the 5 screws and end cover. NOTICE: Hold the vacuum pump assembly so t ...

    Reassembly
    REASSEMBLY PROCEDURE 1. INSTALL VACUUM PUMP VANE (a) Apply engine oil to the vacuum pump vane and 2 vacuum pump vane caps. (b) Install the vacuum pump vane caps to the vacuum pump vane. ...

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