- Remove the retaining clip with a screwdriver.
- Remove the B4 piston assembly as shown.
2. Check the condition of the spring.
- Measure the uncompressed length and outer diameter of the outer and inner springs.
Component Name
|
Uncompressed length
|
External diameter
|
Outer spring
|
40.24 mm (1.584 inches)
|
20.3mm (0.799 in)
|
Internal spring
|
13.5mm (0.531")
|
10.0 mm (0.394 inches)
|