Suzuki 2000 Grand Vitara SQ625 Service Manual page 567

6E1-30 ENGINE AND EMISSION CONTROL SYSTEM (G16 / J20 ENGINES)
1. Insulator
2. Grommet
3. O-ring
4. Cushion
5. Delivery pipe
(for J20)
J20 Engine
G16 Engine
1. O-ring
2. Grommet
5
Installation
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 de-
livery 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 N m (2.3 kg-m, 17.0 lb-ft)
5) Connect couplers to injectors securely.
6) Install intake manifold stiffener (front) to intake manifold (for G16
engine).
Install PCV hose and breather hose and clamp then securely (for
J20 engine).
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.