Engine Mount Installation Note

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Slots have been adopted for the No. 3 engine mount and No. 4 engine mount bracket installation holes. Tighten the installation bolts and nuts so that they are centered on the slots. Otherwise, engine noise or vibration could increase.

NOTE:

When loosening the nuts of the No. 3 engine mount and the No. 4 engine mount bracket, the engine front cover and the transaxle stud bolt may loosen.

Tighten the engine front cover stud bolts.

Fig 1: Identifying Engine Front Cover Stud Bolts
Courtesy of MAZDA

Tightening torque
- 7-13 N.m {72-132 kgf.cm, 62-115 in.lbf}
Tighten the transaxle stud bolts.

Fig 2: Identifying Transaxle Stud Bolts
Courtesy of MAZDA

Tightening torque
- 15-25 N.m {1.6-2.5 kgf.m, 12-18 ft.lbf}
CAUTION:
- When supporting the engine and transaxle, insert rubber of appropriate size (approx. 20 mm {0.79 in} thickness) between the engine lifter and the oil pan, transaxle to prevent the deformation of the oil pan and damage of the transaxle.
Secure the engine and transaxle using a commercially available engine lifter.

Fig 3: Supporting Engine And Transaxle
Courtesy of MAZDA
Temporarily tighten the No. 3 engine mount installation bolts and nuts using the following procedure:
1. Temporarily tighten the bolts shown in the figure so that they are centered on the No. 3 engine mount slots.
  
  Fig 4: Identifying No. 3 Engine Mount Slots And Bolts
  Courtesy of MAZDA
2. Temporarily tighten the nuts shown in the figure so that the stud bolts of the engine front cover are centered on the No. 3 engine mount slots.
Fig 5: Identifying No. 3 Engine Mount Slots And Nuts
Courtesy of MAZDA
NOTE:
- If the stud bolts are deviated from the center of the slots, align the stud bolts with the center of the slots while slightly moving the engine, and temporarily tighten the installation nuts.
Temporarily tighten the No. 4 engine mount bracket installation bolt and nuts using the following procedure:
1. Temporarily tighten the bolt shown in the figure.
  
  Fig 6: Identifying No. 4 Engine Mount Bracket Installation Bolt
  Courtesy of MAZDA
2. Temporarily tighten the nuts shown in the figure so that they are centered on the No. 4 engine mount bracket slots.
Fig 7: Identifying No. 4 Engine Mount Bracket Slots And Nuts
Courtesy of MAZDA
NOTE:
- If the stud bolts are deviated from the center of the slots, align the stud bolts with the center of the slots while slightly moving the transaxle, and temporarily tighten the installation nuts.
Install the No. 1 engine mount bracket and temporarily tighten the bolts shown in the figure. (2WD)

Fig 8: Identifying No. 1 Engine Mount Bracket And Bolts (2WD)
Courtesy of MAZDA
Tighten the No. 1 engine mount bracket installation bolts in the order shown in the figure. (2WD)

Fig 9: No. 1 Engine Mount Bracket Installation Bolts Tightening Sequence (2WD)
Courtesy of MAZDA

Tightening torque
- 84-98 N.m {8.6-9.9 kgf.m, 62-72 ft.lbf}
Install the No. 1 engine mount rubber and the front crossmember component as a single unit. (Refer to FRONT CROSSMEMBER REMOVAL/INSTALLATION .)
Temporarily tighten the No. 1 engine mount rubber installation bolts.

Fig 10: Identifying No. 1 Engine Mount Rubber Installation Bolts (2WD)
Courtesy of MAZDA

Fig 11: Identifying No. 1 Engine Mount Rubber Installation Bolts (4WD)
Courtesy of MAZDA

Tighten the No. 3 engine mount installation bolts and nuts in the order shown in the figure.

Fig 12: No. 3 Engine Mount Installation Bolts And Nuts Tightening Sequence

Courtesy of MAZDA

TIGHTENING TORQUE SPECIFICATION

Installation position	Tightening torque
1	76-95 N.m {7.8-9.6 kgf.m, 57-70 ft.lbf}
2	82-95 N.m {8.4-9.6 kgf.m, 61-70 ft.lbf}
3	49-65 N.m {5.0-6.6 kgf.m, 37-47 ft.lbf}

Tighten the No. 4 engine mount bracket installation bolt and nuts in the order shown in the figure.

Fig 13: No. 4 Engine Mount Bracket Installation Bolt And Nuts Tightening Sequence

Courtesy of MAZDA

TIGHTENING TORQUE SPECIFICATION

Installation position	Tightening torque
1, 2, 3	92-116 N.m {9.4-11 kgf.m, 68-85 ft.lbf}
4	81-99 N.m {8.3-10 kgf.m, 60-73 ft.lbf}

Tighten the No. 1 engine mount rubber installation bolts in the order shown in the figure.

Fig 14: Identifying No. 1 Engine Mount Rubber Installation Bolts (2WD)
Courtesy of MAZDA

Fig 15: Identifying No. 1 Engine Mount Rubber Installation Bolts (4WD)
Courtesy of MAZDA

TIGHTENING TORQUE SPECIFICATION

Installation position	Tightening torque
1	141-172 N.m {15-17 kgf.m, 104-126 ft.lbf}
2	130-164 N.m {14-16 kgf.m, 96-120 ft.lbf}