Sierra Denali RWD V8-6.2L (2009)
2. Turn the main function switch to the FLUSH position and allow machine to operate for 30 seconds.
Flow Test
Flow Test
Note
If the flow rate is less than 0.5 gpm, the LCD displays an error message. Refer to the Troubleshooting section of the operation manual.
1. Turn the main function switch to the FLOW position and allow the oil to flow for 15 seconds. Observe and note the flow rate; this is the TESTED
flow rate.
2. Compare the TESTED flow rate to the MINIMUM flow rate information previously recorded.
*
If the TESTED flow rate is equal to or greater than the MINIMUM flow rate recorded, the oil cooling system is functioning properly. Perform
Code Recording Procedure.
*
If the TESTED flow rate is less than the MINIMUM flow rate previously recorded, repeat the back flush and forward flush procedures.
