An oil level dipstick is used to check the oil level in the oil pan. The oil level dipstick is located in a tube attached by a threaded adaptor to an opening in the oil pan. See Figure 25404 .
Maintain the oil level between the full and low marks on the oil level dipstick. Never allow it to drop below the low mark. No advantage is gained by having the oil level above the full mark. Overfilling may cause the oil to be churned by the crankshaft throws, causing oil foaming and aeration. Operating below the low oil mark may expose the pickup tube, causing aeration, pressure loss, and engine damage.
Check the oil level after the engine has been stopped for at least 20 minutes. This will permit the oil to drain back into the oil pan.
Oil level dipsticks are normally marked for use with vehicles parked on a level surface. Improper oil readings can result when the oil is checked in a vehicle on the grade, or if insufficient time is allowed for oil to drain back into the pan.
Repair of this component is not authorized at this time.
To determine if repair is possible or replacement is necessary, perform the following procedure. See Figure 25407 .
Repair or Replacement of Oil Level Dipstick Assembly Flowchart
Pre-cleaning is not necessary.
Remove the oil level dipstick assembly as follows:
Inspect the oil level dipstick assembly as follows:
Assemble the oil level dipstick assembly as follows: