Volvo Workshop Manuals
V90 L6-2.9L VIN 96 B6304S (1998)
Powertrain Management > Fuel Delivery and Air Induction > Fuel Supply Line > Component Information > Description and Operation > Page 2031
Fuel Supply Line: Testing and Inspection
Check the fuel lines for damage, leaks and corrosion.
Make sure the lines are properly seated in their rubber support grommets, otherwise they can cause a moaning noise in the passenger compartment.
Inspect all hoses for age, cracks and oil saturation.
Check the fuel pump end piece (check valve) for leakage at the gaskets. End piece can loosen during normal operation, replace gaskets and
Repair any defects as necessary.
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