ENGINE
L2501, WSM
[6] OIL PUMP Rotor Lobe Clearance 1. Measure the clearance between the lobes of the inner rotor and the outer rotor with a feeler gauge. 2. Measure the clearance between the outer rotor and the pump body with a feeler gauge. 3. If the clearance is more than the allowable limit, replace the rotor assembly of the oil pump. Clearance between inner rotor and outer rotor
Clearance between outer rotor and pump body
Factory specification
0.030 to 0.14 mm 0.0012 to 0.0055 in.
Allowable limit
0.2 mm 0.008 in.
Factory specification
0.11 to 0.19 mm 0.0044 to 0.0074 in.
Allowable limit
0.25 mm 0.0098 in. 9Y1211121ENS0097US0
Clearance between Rotor and Cover 1. 2. 3. 4.
Put a strip of plastigauge on the rotor face with grease. Install the cover and tighten the screws. Remove the cover carefully. Measure the width that plastigauge becomes flat with the scale to get the oil clearance. 5. If the clearance is more than the allowable limit, replace the rotor assembly of the oil pump. Clearance between inner rotor and cover
Factory specification
0.105 to 0.150 mm 0.00414 to 0.00590 in.
Allowable limit
0.20 mm 0.008 in. 9Y1211121ENS0098US0
1-S72
KiSC issued 09, 2014 A
