Repair procedures: Inspection
- Inspect the relief plunger.
Coat the plunger with engine oil and check that it falls smoothly into the plunger hole by its own weight.
If it does not, replace the relief plunger. If necessary, replace the front case.
- Inspect the relief valve spring.
Inspect for distorted or broken relief valve spring.
Standard value
Free height : 46.6mm (1.8346in)
Load : 6.1±0.4kg/40.1mm (13.4±0.9 lb/1.5787in)
- Inspect the rotor side clearance.
Using a feeler gauge and precision straight edge, measure the clearance between the rotors and precision straight edge.
SIDE CLEARANCE SPECIFICATIONSide clearance Inner rotor 0.04 ~ 0.085mm (0.0016 ~ 0.0033in) Outer rotor 0.04 ~ 0.09mm (0.0016 ~ 0.0035in) If the side clearance is greater than maximum, replace the rotors as a set. If necessary, replace the front case.
- Inspect the rotor tip clearance.
Using a feeler gauge, measure the tip clearance between the inner and outer rotor tips.
Tip clearance
0.025 ~ 0.069mm (0.0010 ~ 0.0027in)
Courtesy of KIA MOTORS AMERICA, INC.
If the tip clearance is greater than specified, replace the rotors as a set.
- Inspect the rotor body clearance.
Using a feeler gauge, measure the clearance between the outer rotor and body.
Body clearance
0.060 ~ 0.090mm (0.0024 ~ 0.0035in)
Courtesy of KIA MOTORS AMERICA, INC.
If the body clearance is greater than specified, replace the rotors as a set. If necessary, replace the front case.