OIL PUMP INSPECTION
BHE011014100E01
1. Measure the side clearance between the outer rotor and the body using a feeler gauge.
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• If it exceeds the maximum specification, replace the oil pump.
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Standard side clearance
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0.20-0.25 mm {0.0079-0.0098 in}
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Maximum side clearance
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0.3 mm {0.0118 in}
2. Measure the tip clearance between the inner rotor and the outer rotor using a feeler gauge.
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• If it exceeds the maximum specification, replace the oil pump.
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Standard tip clearance
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0.03-0.12 mm {0.0012-0.0047 in}
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Maximum tip clearance
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0.15 mm {0.0059 in}
3. Measure the body clearance between the rotor and the side housing using a straight edge and a feeler gauge.
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• If it exceeds the maximum specification, replace the oil pump.
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Standard body clearance
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0.03-0.125 mm {0.0012-0.0049 in}
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Maximum body clearance
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0.15 mm {0.0059 in}