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.
2021 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
General Tool
| TOOL NAME | REMARKS |
|---|---|
| Oil pan seal cutter | Used for removing oil pan. |
| Circuit tester | Used for measuring resistance, voltage and current. |
| Thickness gauge | Used for various inspections. |
| Caliper | Used for measuring the dimension. |
| Spring scale | Used for measuring the starting torque of the drive pinion. |
| TORX ® socket E10 | Used for removing and installing the stud bolts. |
| TORX® bit T70 | Used for removing and installing the drain plug. |
| Push/pull gauge | Used for measuring clutch clearance.
NOTE:
Used together with the dial gauge (spindle type) and the magnet stand.
|
| Ko-ken 3/8 12-point 27 mm deep socket (part No. 3305M-27) | Used for removing and installing the secondary pressure sensor. |
| Angle gauge | Used for installing the drive plate. |
| Dial gauge |
|
| Magnet stand |
|
| DST-i | Used together with Subaru Select Monitor 4. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.