Home/Mazda/3/Mazda 3 BM (2013-2016)/Repair manual/Automatic Trans/Automatic Transaxle - Overhaul (FW6A-EL): Adjustments

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Wiring diagrams Section: Automatic Trans

Maintenance/service Tools - Transaxle

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Automatic Transaxle - Overhaul (FW6A-EL): Adjustments Mazda 3 BM

Automatic Trans 7 illustrations ~110 words

Differential Backlash Measurement/Adjustment

Symbol	Item	Formula	Unit	First time	Second time	Third time
A	FRONT SIDE GEAR AND PINION GEAR BACKLASH		Mm {in}
B	REAR SIDE GEAR AND PINION GEAR BACKLASH		Mm {in}
C	FRONT DIFFERENTIAL BACKLASH	Average value of A	Mm {in}
D	REAR DIFFERENTIAL BACKLASH	Average value of B	Mm {in}
E	STANDARD DIFFERENTIAL BACKLASH		Mm {in}	0.030-0.150 {0.0012-0.0059}
F	MEASUREMENT RESULT OF FRONT DIFFERENTIAL BACKLASH		Mm (in)	OK/NG	OK/NG	OK/NG
G	MEASUREMENT RESULT OF REAR DIFFERENTIAL BACKLASH		Mm {in}	OK/NG	OK/NG	OK/NG
H	THICKNESS OF REMOVED FRONT THRUST WASHER		Mm {in}
I	THICKNESS OF REMOVED REAR THRUST WASHER		Mm {in}
J	MEDIAN VALUE OF DIFFERENTIAL BACKLASH SPECIFICATION		Mm {in}	0.090 {0.00354}
K	FRONT DIFFERENTIAL BACKLASH GAP	C - J	Mm {in}
L	REAR DIFFERENTIAL BACKLASH GAP	D - J	Mm {in}
M	FRONT THRUST WASHER THICKNESS GAP	K x 0.1 mm {0.00394 in) / 0.08 mm (0.00315 in}	Mm {in}
N	REAR THRUST WASHER THICKNESS GAP	L x 0.1 mm (0.00394 in} / 0.08 mm {0.00315 in)	Mm {in}
O	THICKNESS OF OPTIMUM FRONT THRUST WASHER	H + M	Mm {in}
P	THICKNESS OF OPTIMUM REAR THRUST WASHER	L + N	Mm (in)

Differential Backlash Measurement/Adjustment Description Example. Scheme 387

Scheme 387: Differential Backlash Measurement/Adjustment Description Example

High Clutch Clearance Measurement/Adjustment

Symbol	Item	Formula	Unit	First time	Second time	Third time
A	DIAL GAUGE VALUE WITH PISTON OPERATED		Mm (in)
B	DIAL GAUGE VALUE WITHOUT PISTON OPERATED		Mm (in)
C	HIGH CLUTCH CLEARANCE	A - B	Mm (in)
D	HIGH CLUTCH CLEARANCE SPECIFICATION		Mm {in}	1.300-1.500 (0.05119-0.05905}
E	MEASUREMENT RESULT OF HIGH CLUTCH CLEARANCE		Mm {in}	OK/NG	OK/NG	OK/NG
F	THICKNESS OF REMOVED SNAP RING		Mm {in}
G	RANGE	C + F	Mm {in}

High Clutch Clearance Measurement/Adjustment Description Example. Scheme 388

Scheme 388: High Clutch Clearance Measurement/Adjustment Description Example

Low Clutch Clearance Measurement/Adjustment

Symbol	Item	Formula	Unit	First time	Second time	Third time
A	WEIGHT OF WEIGHT		N (kgf, lbf}
B	CORRECTION VALUE OF LOW CLUTCH CLEARANCE (WEIGHT OF UNIT N)	(A - 90 N) x 0.00157 mm {0,0000618 in}	Mm (in)
	CORRECTION VALUE OF LOW CLUTCH CLEARANCE (WEIGHT OF UNIT kgf)	(A - 9.18 kgf) x 0.01540 mm (0.0006063 in}	Mm (in}
	CORRECTION VALUE OF LOW CLUTCH CLEARANCE (WEIGHT OF UNIT lbf)	(A - 20.23 lbf) x 0.00698 mm (0.0002748 in}	Mm {in}
C	DIAL GAUGE VALUE WITH PISTON OPERATED		Mm {in}
D	DIAL GAUGE VALUE WITHOUT PISTON OPERATED		Mm {in}
E	LOW CLUTCH CLEARANCE	C - D - B	Mm {in}
F	LOW CLUTCH CLEARANCE SPECIFICATION		Mm {in}	1.400-1.600 {0.05512-0.06299}
G	MEASUREMENT RESULT OF LOW CLUTCH CLEARANCE		Mm {in}	OK/NG	OK/NG	OK/NG
H	THICKNESS OF REMOVED SNAP RING		Mm {in}
I	RANGE	E + H	Mm {in}

Low Clutch Clearance Measurement/Adjustment Description Example. Scheme 389

Scheme 389: Low Clutch Clearance Measurement/Adjustment Description Example

R-3-5 Brake Clearance Measurement/Adjustment

Symbol	Item	Formula	Unit
A	RETAINER THICKNESS OF SPRINGS AND RETAINER COMPONENT		Mm{in}
B	DIAL GAUGE VALUE WITH R-3-5 BRAKE PISTON OPERATED		Mm{in}
C	DIAL GAUGE VALUE WITHOUT R-3-5 BRAKE PISTON OPERATED		Mm{in}
D	R-3-5 BRAKE CLEARANCE ADJUSTMENT VALUE	B - C	Mm(in}
E	THICKNESS OF SNAP RING (FZ01 19 469) FOR R-3-5 BRAKE CLEARANCE MEASUREMENT/ ADJUSTMENT		Mm{in}
F	RANGE	D + E - A	Mm(in}

2-6 Brake Clearance Measurement/Adjustment

Symbol	Item	Formula	Unit	First time	Second time		Third time
A	RETAINER THICKNESS OF SPRINGS AND RETAINER COMPONENT		Mm (in)		<	<
B	DISTANCE A		Mm (in)
C	AVERAGE VALUE OF DISTANCE A	Average value of B	Mm (in)
D	2-6 BRAKE CLEARANCE	C - A	Mm (in)
E	2-6 BRAKE CLEARANCE SPECIFICATION		Mm (in)	1.000-1.200 {0.03938-0.04724}
F	MEASUREMENT RESULT OF 2-6 BRAKE CLEARANCE		Mm {in}	OK/NG	OK/NG		OK/NG
G	THICKNESS OF REMOVED RETAINING PLATE		Mm {in}
H	RANGE	D + G	Mm (in)

R-3-5 Brake Clearance Measurement/Adjustment Description Example. Scheme 390

Scheme 390: R-3-5 Brake Clearance Measurement/Adjustment Description Example

Low and Reverse Brake Clearance Measurement/Adjustment

Symbol	Item	Formula	Unit	First time	Second time	Third time
A	DIAL GAUGE VALUE WITH PISTON OPERATED		Mm {in}
B	DIAL GAUGE VALUE WITHOUT PISTON OPERATED		Mm {in}
C	LOW AND REVERSE BRAKE CLEARANCE	A - B	Mm {in}
D	AVERAGE VALUE OF LOW AND REVERSE BRAKE CLEARANCE	Average value of C	Mm {in}
E	LOW AND REVERSE BRAKE CLEARANCE SPECIFICATION		Mm {in}	1.650-1.850 {0.06497-0.07283}
F	MEASUREMENT RESULT OF LOW AND REVERSE BRAKE CLEARANCE		Mm {in}	OK/NG	OK/NG	OK/NG
G	THICKNESS OF REMOVED SNAP RING		Mm {in}
H	RANGE	D + G	Mm {in}

Low And Reverse Brake Clearance Measurement/Adjustment Description Example. Scheme 391

Scheme 391: Low And Reverse Brake Clearance Measurement/Adjustment Description Example

Secondary Gear and Output Gear Preload Measurement/Adjustment

Symbol	Item	Formula	Unit	First time	Second time	Third time
A	ANGULAR CONTACT BALL BEARING PRELOAD		N.m {kgf.cm, in.lbf}		<	<
B	TOTAL PRELOAD		N.m {kgf.cm, in.lbf)
C	SECONDARY GEAR AND OUTPUT GEAR PRELOAD	B - A	N.m {kgf.cm, in.lbf)
D	SECONDARY GEAR AND OUTPUT GEAR PRELOAD SPECIFICATION		N.m {kgf.cm, in.lbf)	2.8-3.7 {28.6-37.7, 24.8-32.7}
E	MEASUREMENT RESULT OF SECONDARY GEAR AND OUTPUT GEAR PRELOAD			OK/NG	OK/NG	OK/NG
F	THICKNESS OF REMOVED SHIM		Mm {in}
G	MEDIAN VALUE OF SECONDARY GEAR AND OUTPUT GEAR PRELOAD SPECIFICATION		N.m {kgf.cm, in.lbf}	3.25 {33.1,28.7}
H	PRELOAD GAP	G - C	N.m {kgf.cm, in.lbf)
I	SHIM THICKNESS GAP	H x 0.1 mm (0.00394 in)/1.6 N.m {16.3 kgf.cm, 14.1 in.lbf)	Mm {in}
J	THICKNESS OF OPTIMUM SHIM	F + l	Mm {in}

Secondary Gear And Output Gear Preload Measurement/Adjustment Description Example. Scheme 392

Scheme 392: Secondary Gear And Output Gear Preload Measurement/Adjustment Description Example

Ring Gear and Differential Preload Measurement/Adjustment

Symbol	Item	Formula	Unit	First time	Second time	Third time
A	RING GEAR AND DIFFERENTIAL PRELOAD		N-m (kgf-cm, in-lbf)
B	RING GEAR AND DIFFERENTIAL PRELOAD SPECIFICATION		N.m (kgf.cm, in.lbf)	2.8-4.1 {28.6-41.8, 24.8-36.2}
C	MEASUREMENT RESULT OF RING GEAR AND DIFFERENTIAL PRELOAD			OK/NG	OK/NG	OK/NG
D	THICKNESS OF REMOVED SHIM		Mm {in}
E	MEDIAN VALUE OF RING GEAR AND DIFFERENTIAL PRELOAD SPECIFICATION		N.m {kgf.cm, in.lbf)	3.45 {35.2, 30.5}
F	PRELOAD GAP	E - A	N.m (kgf.cm, in.lbf)
G	SHIM THICKNESS GAP	F x 0.1 mm (0.00394 in)/1.5 N.m (15.3 kgf-cm, 13.3 in.lbf)	Mm {in}
H	THICKNESS OF OPTIMUM SHIM	D + G	Mm {in}

Ring Gear And Differential Preload Measurement/Adjustment Description Example. Scheme 393

Scheme 393: Ring Gear And Differential Preload Measurement/Adjustment Description Example

Total End Play Measurement/Adjustment

Symbol	Item	Formula	Unit
A	TOTAL END PLAY ADJUSTMENT VALUE		Mm{in}
B	AVERAGE OF TOTAL END PLAY ADJUSTMENT VALUE	Average value of A	Mm{in}
C	THICKNESS OF SHIM (FZ01 19 2L1) FOR TOTAL END PLAY MEASUREMENT/ADJUSTMENT		Mm(in}
D	RANGE	B + C	Mm{in}

CAUTION

The total end play is the play (gap) in the axial direction of each planetary gear. If the total end play adjustment is not performed, it may cause damage to the thrust needle bearing between each planetary gear or other parts. Accurately perform the following servicing.