Valve Springs: Removal
WARNING: This page is about a different car, the 2010 Mercury Milan and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
During engine repair procedures, cleanliness is extremely important. Any foreign material (including any material created while cleaning gasket surfaces) that enters the oil passages, coolant passages or the oil pan can cause engine failure.
- With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
- Remove the camshafts. For additional information, refer to Removal .
- Remove and inspect the valve tappets. For additional information, refer to VALVE TAPPET INSPECTION
.NOTE: If the camshafts and valve tappets are to be reused, mark the location of the valve tappets to make sure they are assembled in their original positions.NOTE: The number on the valve tappets only reflects the digits that follow the decimal. For example, a tappet with the number 0.650 has the thickness of 3.650 mm.
- Remove the spark plugs. For additional information, refer to REMOVAL AND INSTALLATION .
- Connect the compressed air supply to the No. 1 cylinder.NOTE: Use compressed air at 7 to 10 bars (100-150 psi). Do not disconnect the compressed air from the cylinder until the valve spring, valve spring retainer and valve collet is installed. Any loss of air pressure will allow the valve to fall into the cylinder.
- Apply compressed air to the cylinder and remove the valve spring.
- Using the Valve Spring Compressors, compress the valve spring and remove the valve collet, using some grease and a small screwdriver.
- Remove the valve spring retainer and the valve spring.
NOTE: Place all parts in order to one side.