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Home >> Volvo >> 1985 >> 740 Base, 4D Wagon, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Diesel >> Testing >> Injection Nozzles >> Leak Test
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Leak Test

With nozzle installed on pressure gauge, wipe injector nozzle dry. Pump pressure up to 1560 psi (110 kg/cm2 ). Hold pressure for 10 seconds. There must be no fuel drip from injector nozzle, though a moist nozzle is acceptable.