Fuel Injector Removal and Installation: Installation

Reference: FUEL INJECTOR INSPECTION 

Reverse removal procedure for installation noting the following.

• Replace injector O-ring (1) with new one using care not to damage it.
• Check if cushion (2) is scored or damaged. If it is, replace with new one.
• Apply thin coat of fuel to O-rings (1), and then install injectors (3) into delivery pipe (4) and cylinder head.
• Tighten delivery pipe bolts (5) to specified torque.

  Tightening torque 

  Fuel delivery pipe bolt (a): 25 N.m (2.5 kg-m, 18.5 lbf-ft) 

  Fig 1: Identifying Fuel Delivery Pipe Bolts

  Courtesy of SUZUKI OF AMERICA CORP.
• Make sure that injectors (1) rotate smoothly (2). If not, probable cause is incorrect installation of O-ring (3). Replace O-ring with new one.
  Fig 2: Identifying O-Ring For Injector

  Courtesy of SUZUKI OF AMERICA CORP.
• After installation, with engine stationary and ignition switch in ON position, check for fuel leaks around fuel line connection. See Fuel Leakage Check Procedure