Assembly Procedure

Measure the spring free length.

Accumulator spring (standard)

ACCUMULATOR SPRING SPECIFICATIONS

Spring	Outer diameter mm {in}	Free length mm {in}	No. of coils	Wire diameter mm {in}
Servo apply accumulator large spring	21.0 {0.827}	67.8 {2.669}	10.3	3.5 {0.138}
Servo apply accumulator small spring	13.0 {0.512}	67.8 {2.669}	17.1	2.2 {0.087}
Forward accumulator large spring	21.0 {0.827}	75.0 {2.953}	10.7	2.3 {0.091}
Forward accumulator small spring	15.6 {0.614}	49.0 {1.929}	7.7	2.4 {0.094}

If not as specified, replace the spring.

Install the forward accumulator small spring, forward accumulator large spring and forward accumulator.

Fig 1: View Of Forward Accumulator Small Spring
Courtesy of MAZDA MOTORS CORP.
Install the servo apply accumulator small spring, servo apply accumulator large spring and servo apply accumulator.

Fig 2: View Of Servo Apply Accumulator Small Spring
Courtesy of MAZDA MOTORS CORP.

Apply ATF to new oil seal and install it onto oil pump housing using the SST .

Fig 1: Installing Oil Seal
Courtesy of MAZDA MOTORS CORP.
Measure the clearance between the end of the oil pump housing and the outer rotor and inner rotor at four places along their circumferences.
Clearance between the end of the oil pump housing and the outer rotor and inner rotor

Standard: 0.04-0.05 mm {0.0016-0.0019 in}

Maximum: 0.05 mm {0.002 in}
- If not as specified, replace the oil pump.
Fig 2: Measuring Clearance Between End Of Oil Pump Housing And Outer Rotor
Courtesy of MAZDA MOTORS CORP.
Measure the clearance between the outer rotor and the inner rotor.
Clearance between the outer rotor and the inner rotor

Standard: 0.02-0.11 mm {0.0008-0.0043 in}

Maximum: 0.12 mm {0.0047 in}
- If not within the specification, replace the oil pump.
Apply ATF to the outer and inner rotors.
Align the marks and install the outer and inner rotors.

Fig 3: Measuring Clearance Between Outer Rotor And Inner Rotor
Courtesy of MAZDA MOTORS CORP.
Install the oil pump flange.
Mount the oil pump cover onto the oil pump housing.

Fig 4: Marking Outer And Inner Rotors
Courtesy of MAZDA MOTORS CORP.
Tighten the bolts evenly and gradually in the order shown.
Tightening torque

8.1-10.9 N.m {83-111 kgf.cm, 72-96 in.lbf]

Fig 5: View Of Bolt Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
Apply ATF to new O-ring and install it onto the oil pump housing.
O-ring inner diameter 209.5 mm {8.248 in}

Fig 6: Identifying Oil Pump Housing, O-Ring & Oil Pump Cover
Courtesy of MAZDA MOTORS CORP.
Apply ATF to new seal rings and install them onto the oil pump cover.
Seal ring inner diameter

47.1 mm {1.854 in}

Fig 7: Locating Seal Rings On Oil Pump Cover
Courtesy of MAZDA MOTORS CORP.