To reduce the possibility of personal injury, avoid direct contact of hot oil with your skin.
WARNING
Some state and federal agencies have determined that used engine oil can be carcinogenic and cause reproductive toxicity. Avoid inhalation of vapors, ingestion, and prolonged contact with used engine oil. If not reused, dispose of in accordance with local environmental regulations.
To reduce the possibility of personal injury, avoid direct contact of hot oil with your skin.
WARNING
Some state and federal agencies have determined that used engine oil can be carcinogenic and cause reproductive toxicity. Avoid inhalation of vapors, ingestion, and prolonged contact with used engine oil. If not reused, dispose of in accordance with local environmental regulations.
Remove the snap ring from the lubricating oil filter head.
Remove the thermostat from the lubricating oil filter head.
The flash point of new lubricating oil is approximately 221°C [430°F]. Do not allow the oil temperature in the container to exceed 149°C [300°F]. Do not allow water droplets to enter the container of hot oil. Water droplets will cause a violent reaction that can cause personal injury.
Suspend the thermostat and a thermometer with a minimum range of 127°C [260°F] in a container of new lubricating oil. Do not allow the thermostat or the thermometer to touch the sides of the container.
Record the temperature at which the valve is fully extended. The valve must be fully extended to at least 6 mm [0.250 in] from the closed position when the temperature reaches 127°C [260°F].
Replace the thermostat if it does not operate as described.