Valve Seals: Removal
WARNING: This page is about a different car, the 2007 Ford Ranger. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
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 may cause engine failure.
- With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING AND LIFTING article.
- Remove the camshafts. For additional information, refer to Camshafts in this article.
- Remove and inspect the valve tappets. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION article.
- Remove the spark plug on the cylinder being serviced and connect the compressed air supply.
- Apply compressed air to the cylinder and remove the valve spring.
- Using the special tools, compress the valve spring and remove the valve spring retainer keys, using some grease and a small screwdriver.
- Remove the valve spring retainer and the valve spring.
- Using the special tools, remove and discard the valve seal.
CAUTION:
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 or the engine can be damaged.
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.
WARNING:
Always wear eye protection when servicing a vehicle. Failure to follow this instruction may result in serious personal injury.
CAUTION:
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 spring retainer keys are installed, or the valve can fall into the cylinder.
NOTE:
Place all parts in order to one side.