H4DO Model

Install the vacuum hose & pipe.
CAUTION: Install the vacuum hose on the vacuum pump side so that the marks are aligned.

Courtesy of SUBARU OF AMERICA, INC.
1. Install the vacuum hose onto the vacuum pipe.
2. Connect the vacuum hose & pipe to the intake manifold assembly and the vacuum booster assembly.
3. Install the vacuum hose to the vacuum pump.
  Clearance:
  
  Clearance between vacuum hose and surrounding parts: 15 mm (0.59 in) or more
4. Install the pipe clamp to the bulkhead.
  Tightening torque:
  
  7.5 N.m (0.8 kgf-m, 5.5 ft-lb)
Install the air intake boot. Refer to INTAKE (INDUCTION) (H4DO)>Air Intake Boot>INSTALLATION .