PROCEDURE
INSPECT OIL PUMP
| *a | Mark |
Install the drive and driven rotors to the timing chain cover sub-assembly with the marks of the rotors facing the cylinder block sub-assembly side. Check that the rotors revolve smoothly.
Check the tip clearance.
Using a feeler gauge, measure the clearance between the tips of the oil pump drive rotor and oil pump driven rotor.
| Standard Tip Clearance |
|---|
| 0.180 to 0.300 mm (0.00709 to 0.0118 in.) |
| Maximum Tip Clearance |
|---|
| 0.300 mm (0.0118 in.) |
If the tip clearance is more than the maximum, replace the timing chain cover sub-assembly.
Check the body clearance.
Using a feeler gauge, measure the clearance between the oil pump driven rotor and timing chain cover sub-assembly.
| Standard Body Clearance |
|---|
| 0.175 to 0.250 mm (0.00689 to 0.00984 in.) |
| Maximum Body Clearance |
|---|
| 0.250 mm (0.00984 in.) |
If the body clearance is more than the maximum, replace the timing chain cover sub-assembly.
Check the side clearance.
Using a feeler gauge and steel square, measure the clearance between the oil pump rotors and steel square.
| Standard Side Clearance |
|---|
| 0.030 to 0.090 mm (0.00118 to 0.00354 in.) |
| Maximum Side Clearance |
|---|
| 0.090 mm (0.00354 in.) |
If the side clearance is more than the maximum, replace the timing chain cover sub-assembly.