FUEL INJECTORS
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 5C-17
WARNING
Avoid injury. Fuel pressure is high enough to penetrate the skin. Do NOT use your
fingers to feel for fuel leaks at fittings.
7. Start the engine.
8. Check for fuel leaks while waiting for engine to reach normal operating temperature.
Immediately stop the engine if leaks exist.
9. Recheck the installation.
10. Start the engine.
11. Allow the engine to reach normal operating temperature. Check for fuel leaks at injection
pump and injectors by placing a piece of paper near the sleeve nuts or pipes to be
checked. The paper should show fuel spray if leaks are present. Do NOT use your
fingers to feel for leaks! Watch for fuel spray on paper.
12. Repair as needed.
NOTE: It is sometimes helpful to use compressed air to dry area near fittings when checking
for fuel leaks. Be certain to observe precautions about the use of safety glasses!
13. Test until certain no leaks are present.
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