Injector Replacement - Linhai T-Boss 550 Service Manual

CHAPTER 3 ENGINE
3.5.2.5 Replacement Techniques
The following procedure outlines standard the Injector removal and replacement.
Warning: The injector and all associated hardware may be extremely hot.
● Shut off ignition.
● Disconnect negative battery cable to avoid possible fuel discharge if an accidental attempt is
made to start the engine.
● Disconnect the electrical connector from the injector wiring harness.
● Relieve fuel pressure
● Remove the retaining clip from the fuel injector.
● Remove the fuel line connection from the injector
● Carefully clean debris from the interface surfaces. Do not damage seal mating surfaces.
● Remove the injector from the manifold.
● Apply a light coating of a lubricant to both the upper and lower injector seal ring of the
replacement injector.
● Install the new injector into the manifold. Check that the injector is installed in the original
orientation to maintain proper spray targeting, and that the retaining clip is properly seated on the
injector and the fuel line.
● Install the retaining clip after connecting the fuel line.
● Tighten the injector mounting to the desired torque as mentioned in the manufacturer manual.
● Tighten the fuel line.
● Re-install the injector electrical connector
● Check for fuel leaks with the key "on" and the engine "off".
● Start engine and verify proper operation.
3.5.2.6 Interchange ability
The injector should be replaced in service only with an equivalent injector of the same part
number. On occasion, a new part number may supersede part numbers. Consult the appropriate
vehicle service manual and part number guide for the latest replacement injector part number
information.
3.5.2.7 Cleaning Procedure
● Electrically disable the fuel pump by removing the fuel pump connection.
● Relieve the fuel pressure in the system and disconnect the fuel connection at the injector.
Plug the fuel feed line.
T-Boss550 SERVICE MANUAL20.0
CHAPTER 3 ENGINE PAGE. 3- 106