2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Engine Cooling System

Fig 1: Exploded View Of Engine Cooling System Components
G13947932Courtesy of SUBARU OF AMERICA, INC.

Tightening torque: N.m (kgf-m, ft-lb) 

T1: 6.4 (0.7, 4.7) 

T2: 8.5 (0.9, 6.3) 

T3: 14 (1.4, 10.3) 

T4: 16 (1.6, 11.8) 

T5: 18 (1.8, 13.3) 

T6:  Ref. to WATER PIPE LH .

Factory Service Tools

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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.