CHILTON LIBRARY M20A-FXS Prius Prime Owner’s Manual

YOUR CURRENT VEHICLE
2023 Toyota Prius

Installation (2023 Prius Prius Prime From 03/2023)

CAUTION / NOTICE / HINT
NOTE
This procedure includes the installation of small-head bolts. Refer to Small- Head Bolts of Basic Repair Hint to identify the small-head bolts.
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2023 MY Prius Prius Prime [03/2023 -]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION
CAUTION / NOTICE / HINT
COMPONENTS (INSTALLATION)

Procedure| Part Name Code| | |
---|---|---|---|---
1| CAM TIMING OIL CONTROL SOLENOID ORING| 15370A| 2023 MY Prius Prius Prime [03/2023 –        ]; M20A-FXS
(ENGINE CONTROL): CAMSHAFT OIL CONTROL SOLENOID: INSTALLATION+| –| –
2| CAM TIMING OIL CONTROL SOLENOID
ASSEMBLY| 15370| 2023 MY Prius Prius Prime
[03/2023 – ]; M20-FXS (ENGINE CONTROL): CAMSHAFT OIL CONTROL SOLENOID: INSTALLATION+| –| –
3| NO. 2 COOLER BRACKET| 88689F| –| –| –
4| INSPECT FOR ENGINE OIL LEAK| –| –| –| 2023 MY Prius Prius Prime
[03/2023 – ]; M20A-FXS
(ENGINE CONTROL):
CAMSHAFT OIL CONTROL SOLENOID: INSTALLATION+
A| for HEV Model| B| for PHEV Model
---|---|---|---
| Nm (kgfcm, ft.lbf): Specified torque| | For use with an offset long wrench
●| Non-reusable part| ★| Precoated part

PROCEDURE

1. INSTALL CAM TIMING OIL CONTROL SOLENOID O-RING
   NOTE
   HINT: Perform this procedure only when replacement of the cam timing oil control solenoid Oring is necessary. i. Clean the O-ring groove of the cam timing oil control solenoid assembly.
   NOTE
   Make sure the O-ring groove is free of foreign matter.
   ii. Install a new cam timing oil control solenoid O-ring to the cam timing oil control solenoid assembly.
   NOTE
   Do not damage the cam timing oil control solenoid O-ring when installing it.

2. INSTALL CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
   a. for HEV Model: i. Apply a light coat of engine oil to the cam timing oil control solenoid O-ring.
   NOTE
   If reusing the cam timing oil control solenoid assembly, be sure to inspect the cam timing oil control solenoid O-ring.
   ii. Using an 8 mm socket wrench, install the cam timing oil control solenoid assembly to the No. 2 timing chain cover assembly with 2 new bolts.
   Torque

NOTE
• If the cam timing oil control solenoid assembly has been struck or dropped, replace it.
• Make sure that the cam timing oil control solenoid O-ring is not cracked or moved out of place when installing the cam timing oil control solenoid assembly.
iii. Connect the cam timing oil control solenoid assembly connector.
b. for PHEV Model:

i. Apply a light coat of engine oil to the cam timing oil control solenoid O-ring.
NOTE
If reusing the cam timing oil control solenoid assembly, be sure to inspect the cam timing oil control solenoid O-ring.
ii. Using an 8 mm socket wrench and 8 x 10 mm offset long wrench, temporarily install the cam timing oil control solenoid assembly to the No. 2 timing chain cover assembly with 2 new bolts.
NOTE
• If the cam timing oil control solenoid assembly has been struck or dropped, replace it.
• Make sure that the cam timing oil control solenoid O-ring is not cracked or moved out of place when installing the cam timing oil control solenoid assembly.
iii. Using an 8 mm socket wrench, tighten the bolt (A).
Torque

iv. Using an 8 x 10 mm offset long wrench and 10 mm hexagon socket wrench, tighten the bolt (B).
Torque
Specified tightening torque****

NOTE
HINT:
• Calculate the torque wrench reading when changing the fulcrum length of the torque wrench.
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2023 MY Prius Prius Prime [03/2023 -]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION
• When using an 8 x 10 mm offset long wrench (fulcrum length of 164.5 mm (6.48 in.)) + torque wrench (fulcrum length of 162 mm (6.38 in.)):
5.0 Nm (51 kgfcm, 44 in.*lbf)
v. Connect the cam timing oil control solenoid assembly connector.

3. INSTALL NO. 2 COOLER BRACKET (for PHEV Model)
   Torque N..m| kgf..cm| in..lbf
   ---|---|---
   9.8| 100| 87
4. INSPECT FOR ENGINE OIL LEAK
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   2023 MY Prius Prius Prime [03/2023 -]; MAINTENANCE: M20A-FXS OIL AND OIL FILTER: REPLACEMENT+

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