Removal And Installation Operation Of Hoses, Etc.

Before the removal and installation operation of hoses, etc.
- If you keep using the damaged or deformed hose, it results bleeds or leakage of the fat adheres or disconnection of the hose. Be careful not to spill fat adheres on exhaust pipes, etc. during maintenance to prevent emitting smoke or causing fires.
- Perform the operation with the hose removed. If the operation is performed without removing the hose, it may damage inner surface of the hose.
Removal and installation operation of hoses, etc. during the inspection
- Follow the instructions below when removing hose.
  - Do not use a pointed hose remover (hose plucker) when using a general hose remover. It may damage the pipe surface or the hose.
    
    Fig 1: Precaution For Special Tool
    Courtesy of SUBARU OF AMERICA, INC.
  - When draining hose using pliers, be sure to cover the hose with cloth and rotate the hose slightly to extract straight.
- If you keep using the hose, perform the inspection below and replace the hose with a new part if faulty.
  - Replace the hose with a new part if it rides over the stay or spool.
    
    Fig 2: Identifying Hose Installation Position (Rides Over Stay)
    Courtesy of SUBARU OF AMERICA, INC.
    
    Fig 3: Identifying Hose Installation Position (Rides Over Spool)
    Courtesy of SUBARU OF AMERICA, INC.
  - Check if the surface and the inner surface of the hose are damaged, cracked, bend, hardened, softened, swelled, peeled or deformed due to the adherence or the entry of the foreign matter by bending the hose. Replace with the new part if faulty.
- Follow the instructions below during installation.
  - Check carefully for assembling position.
  - Never use lubricants.
  - Insert the hose to the specified position (stopper or spool) securely.
    
    Fig 4: Identifying Hose Installation Position (1 Of 2)
    Courtesy of SUBARU OF AMERICA, INC.
    
    Fig 5: Identifying Hose Installation Position (2 Of 2)
    Courtesy of SUBARU OF AMERICA, INC.
  - Check if the position, direction and hose layout of the hose clamp are correct. (Check if the position, direction, length and the gap around are correct, or if it is different from the condition before the work)
  - After the installation, check that the hose is installed securely and there is no leakage. (Check if it is fixed securely with the clamp)
- For hose clips and hose clamps, perform the inspection below and replace them with a new part if faulty.
  - Check for deformation, rust, damage or foreign matters.
  - For hose clip, check if it works and has clamping force.
  - For hose clamp, check if it can tighten screw, not ovalized or the screw is not damaged.
- For hose pipes, perform the inspection below and replace with a new part if faulty.
  Check if the pipe is not damaged, rusted, peeled (peeled plates included), covered with foreign matter, bent, compressed or cracked.
- For the parts below, replaces with a new part when the hose is removed or the installation position is changed.
  ATF cooler hose, engine oil cooler hose, power steering suction hose, power steering return hose