Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSCVT TRANSAXLE (TR580)OIL PUMP CHAININSTALLATION

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans

Oil Pump Chain: Installation

2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Installation

Clean the mating surface of oil pump chain cover and converter case.
Using the ST, install the oil seal.
NOTE:
- Use a new oil seal.
- Apply CVTF to the press-fitting area.
Preparation tool:

ST: HOUSING BUSHING INSTALLER AND REMOVER (927720000)

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Install the drive sprocket.

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Install the snap ring so that its cutout portion is securely fitted into the snap ring groove of the oil pump chain cover.

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Place the oil pump chain on drive sprocket.
Place the oil pump chain on driven sprocket and install the driven sprocket to oil pump chain cover.

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Install the seal rings.
NOTE:
- Use new seal rings.
- Apply CVTF to the seal rings.
- When installing the seal rings, do not expand the seal rings too much.
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Apply liquid gasket seamlessly to the mating surface of oil pump chain cover.
CAUTION:
Do not apply liquid gasket at the arrowed hole.

Liquid gasket:

THREE BOND 1215B or equivalent

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Install the oil pump chain cover.
Tightening torque:

21 N.m (2.1 kgf-m, 15.5 ft-lb)

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Install the torque converter assembly. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>TORQUE CONVERTER ASSEMBLY>INSTALLATION .
Install the transmission assembly to the vehicle. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR580 IMPREZA)>AUTOMATIC TRANSMISSION ASSEMBLY>INSTALLATION .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.