| Item '17' in the illustration is the dipstick. When should the length of the dipstick be changed? Illustration MO-0122 |
| A) In most situations this would never be done. |
| B) If the operating oil level of the engine is consistently below normal, it will be necessary to use a longer dip stick. |
| C) When changing the oil in an operating engine, it may become necessary to use a longer stick to obtain the exact location of the oil level at all times. |
| D) If sludge buildup on the bottom of the pan becomes excessive, it will become necessary to shorten the dipstick to accommodate for the false oil level reading. |
