1999 Volvo Penta "WT" Models Workshop Manual, Page 333Get this manual
Section 10 Cooling System Table of Contents Components Circulating Pump Engine 107 Hoses, Clamps and Drain Plugs 10-6 Manifolds and Elbows 10-7 Supply Pump 3.0 GS Models Only 10-8 V6 and VB Models Only 10-9 Thermostat 10-6 Description10-2 Draining Engine Block or Exhaust Manifold 10-11 Pivot Housing 10-14 Power Steering Coolers 10-13 Supply Pump 10-13 3.0 GS Models Only V6 and VB Models Only 10-14 Thermostat Replacement 10-14 Troubleshooting Isolating Problem 10-4 Possibilities to Consider 10-4 Quiz the Customer 10-3 Water Flow Problem Checkpoints 10-17 Water Flow Diagrams Vertical Drive and Transom Bracket 10-19 3.0 GS Models 10-20 4.3 Gl and GS Models 10-21 4.3 Gi Models 10-22 5.0 GL Models 10-23 5.0 Gi Models 10-24 5.7 GS Models 10-23 5.7 GSi Models 10-24 7.4 Gi and GSi Models 10-25 B.2 GSi Models 10-25