V70R AWD L5-2.3L Turbo VIN 52 B5234T6 (1998)
Thermostat: Testing and Inspection
NOTE:
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Drain off about two liters of coolant. Remove expansion tank cap.
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Open nipple on left underside of radiator, use hose to collect coolant. Close nipple.
Thermostat Replacement
1. Removal/installation thermostat:
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Remove thermostat housing cover hose and remove thermostat and gasket (Torx 40).
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Clean thermostat housing gasket surfaces.
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Install new thermostat seal.
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Install thermostat in housing, install and tighten cover and hose.
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Fill with coolant and run engine warm until the thermostat opens. Top up if necessary.
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Check for leaks.
Thermostat Check
2. Check opening function:
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Thermostat can be tested in hot water.
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Maximum opening should occur within two minutes in water at opening temperature.
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Marking: 87
Starts to open at: 87°C (189°F)
Fully open at: 102°C (216°F)
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Marking: 90
Starts to open at: 90°C (194°F)
Fully open at: 105°C (221°F)
