1999 Volvo Penta "WT" Models Workshop Manual, Page 319Get this manual
External Leakage General Procedure
1Wipe suspected area dry2Check for over-filled reservoir3Check for fluid aeration and overflow
4Check hose connectionstighten if necessary5Determine exact point of leakage6When service is required, replace componentLeakage Checks
Although some leaks are easily found, seepage type leaks may be difficult to pinpointLocate seepage leaks as follows:
1With the engine off, wipe the complete power steering system dry ':pump, hoses, and connections)2Check the fluid level in the pump reservoir and adjust as