Toyota CH-R Service Manual: Inspection

(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.

(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.

(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.

(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.