Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001HBGT |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 -
] |
Title: 2ZR-FXE (COOLING): THERMOSTAT: INSPECTION; 2020 - 2025 MY Corolla Corolla HV [01/2019 - ] |
INSPECTION
PROCEDURE
1. INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY
CAUTION:
-
Do not put your hands into the water that has been heated for the inspection.
-
Touching the heated water could result in burns.
(a) Immerse the water inlet with thermostat sub-assembly in water and then gradually heat the water.
(b) Check that the valve of the water inlet with thermostat sub-assembly opens at the specified temperature.
Standard Valve Opening Temperature:
80 to 84°C (176 to 183°F)
If the result is not as specified, replace the water inlet with thermostat sub-assembly.
(c) Check the valve lift.
Standard Valve Lift:
Compression Spring Shape
|
Condition
|
Specified Condition
|
Tapered
|
95°C (203°F)
|
10 to 14 mm (0.394 to 0.551 in.)
|
Straight
|
8 mm (0.315 in.) or more
|
If the result is not as specified, replace the water inlet with thermostat sub-assembly.
|
|
*A
|
Compression Spring Shape: Tapered
|
*B
|
Compression Spring Shape: Straight
|
*a
|
Valve Lift
|
*b
|
Compression Spring
|
|
|
(d) Check that the valve is fully closed when the water inlet with thermostat sub-assembly is at low temperatures (below 77°C (171°F)).
If it is not fully closed, replace the water inlet with thermostat sub-assembly.
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