| Last Modified: 12-11-2024 | 6.11:8.1.0 | Doc ID: RM100000002OT7G |
| Model Year Start: 2025 | Model: GR Corolla | Prod Date Range: [09/2024 - ] |
| Title: UC80F (AUTOMATIC TRANSMISSION / TRANSAXLE): OIL COOLER: REMOVAL; 2025 MY Corolla Corolla Hatchback GR Corolla [09/2024 - ] | ||
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during transmission oil cooler removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function when Necessary Procedure not Performed |
Link |
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Replacement of automatic transaxle fluid |
ATF thermal degradation estimate reset |
The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly |
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PROCEDURE
1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY
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![2025 MY GR Corolla [09/2024 - ]; G16E-GTS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+](/t3Portal/stylegraphics/info.gif)
2. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY LH
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3. REMOVE PIN HOLD CLIP
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4. REMOVE FRONT FENDER LINER RETAINER
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5. REMOVE NO. 3 ENGINE UNDER COVER AIR GUIDE
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6. REMOVE REAR ENGINE UNDER COVER LH
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7. DRAIN ENGINE COOLANT
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8. DRAIN AUTOMATIC TRANSAXLE FLUID
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(a) Remove the refill plug and gasket from the automatic transaxle case sub-assembly. |
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(b) Using a 10 mm hexagon socket wrench, remove the overflow plug and gasket from the transaxle housing. |
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(c) Using a 6 mm hexagon socket wrench, remove the No. 1 transmission oil filler tube from the transaxle housing and drain the automatic transaxle fluid. |
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(d) Using a 6 mm hexagon socket wrench, install the No. 1 transmission oil filler tube to the transaxle housing.
Torque:
1.7 N·m {17 kgf·cm, 15 in·lbf}
(e) Using a 10 mm hexagon socket wrench, temporarily install the gasket and overflow plug to the transaxle housing.
HINT:
Reuse the old gasket as the overflow plug will be removed again to adjust the automatic transaxle fluid level.
(f) Temporarily install the gasket and refill plug to avoid automatic transaxle fluid spillage.
HINT:
Reuse the old gasket as the refill plug will be removed again to adjust the automatic transaxle fluid level.
9. DISCONNECT NO. 5 WATER BY-PASS HOSE
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(a) Slide the clip and disconnect the No. 5 water by-pass hose from the transmission oil cooler. HINT: Use a container to catch any coolant which flows out. |
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10. DISCONNECT NO. 1 TRANSMISSION OIL COOLER HOSE
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(a) Slide the clip and disconnect the No. 1 transmission oil cooler hose from the transmission oil cooler. HINT: Use a container to catch any automatic transaxle fluid which flows out. |
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11. DISCONNECT OUTLET NO. 1 OIL COOLER HOSE
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(a) Slide the clip and disconnect the outlet No. 1 oil cooler hose from the transmission oil cooler. HINT: Use a container to catch any automatic transaxle fluid which flows out. |
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12. DISCONNECT NO. 4 WATER BY-PASS HOSE
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(a) Slide the clip and disconnect the No. 4 water by-pass hose from the transmission oil cooler. HINT: Use a container to catch any coolant which flows out. |
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13. REMOVE TRANSMISSION OIL COOLER
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(a) Remove the 2 bolts and transmission oil cooler from the oil cooler bracket. HINT: Use a container to catch any coolant and automatic transaxle fluid which flow out. |
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