Vitara JS (2Dr) 2WD L4-1.6L DOHC MFI (1999)
1. Replace injector O-ring with new one using care not to damage it. Install grommet to injector.
2. Check if insulator is scored or damaged. If it is, replace with new one.
Install insulators and cushions to intake manifold or cylinder head.
3. Apply thin coat of fuel to O-rings and then install injectors into delivery pipe and intake manifold or cylinder head.
Make sure that injectors rotate smoothly. If not, probable cause is incorrect installation of O-ring. Replace O-ring with new one.
4. Tighten delivery pipe bolts and make sure that injectors rotate smoothly.
Tightening Torque
(a): 23 Nm (2.3 kg-m, 17.0 ft. lbs.)
5. Connect couplers to injectors securely.
6. Install intake manifold stiffener (front) to intake manifold.
7. Install clamp bolts for fuel feed pipe and return pipe.
8. Connect battery negative cable.
9. With engine "OFF" and ignition switch "ON", check for fuel leaks around fuel line connection.