Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GP3O |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 09/2022] |
Title: BRAKE SYSTEM (OTHER): VACUUM PUMP (for TMC Made 2ZR-FAE): INSPECTION; 2020 - 2022 MY Corolla [01/2019 - 09/2022] |
INSPECTION
PROCEDURE
1. INSPECT VACUUM PUMP VANE
(a) Check that the vacuum pump vane and 2 vacuum pump vane caps are not damaged or excessively worn out.
HINT:
If the vacuum pump vane or 2 vacuum pump vane caps are damaged or excessively worn out, replace the damaged parts with new ones.
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*1
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Vacuum Pump Vane
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*2
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Vacuum Pump Vane Cap
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(b) Using a micrometer, measure length (A) of the vacuum pump vane with the 2 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 2 vacuum pump vane caps with new ones.
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(c) Using a vernier caliper, measure length (B) of the vacuum pump vane with the 2 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 2 vacuum pump vane caps with new ones.
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*1
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Vacuum Pump Vane
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*2
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Vacuum Pump Vane Cap
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*a
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5 mm (0.197 in.)
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2. INSPECT VACUUM PUMP HOUSING
(a) Check that the rotor part, coupling, vacuum pump housing and vacuum end cover are not damaged or excessively worn out.
HINT:
If the rotor part, coupling, vacuum pump housing or vacuum end cover is damaged or excessively worn out, replace the vacuum pump assembly.
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