Engine Mount Installation Note

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:

Retighten the engine front cover and transaxle stud bolts when the nuts of No. 3 engine mount and No. 4 engine mount bracket are loosened.

Tighten the engine front cover stud bolts.

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

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 MOTORS CORP.

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: Securing Engine And Transaxle Using Engine Lifter
Courtesy of MAZDA MOTORS CORP.
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: Caution For Tightening Bolts
  Courtesy of MAZDA MOTORS CORP.
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: Caution For Tightening Nuts
Courtesy of MAZDA MOTORS CORP.
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 And Bolt
  Courtesy of MAZDA MOTORS CORP.
2. Temporarily tighten the nuts shown in the figure so that they are centered on the No. 4 engine mount bracket slots.
Fig 7: Caution For Tightening Nuts
Courtesy of MAZDA MOTORS CORP.
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 rubber and the front crossmember component as a single unit. (See FRONT CROSSMEMBER REMOVAL/INSTALLATION .)
Temporarily tighten the No. 1 engine mount bracket, No. 1 engine mount rubber and bracket plate.

Fig 8: Identifying No. 1 Engine Mount Bracket, No. 1 Engine Mount Rubber And Bracket Plate
Courtesy of MAZDA MOTORS CORP.
Tighten the No. 1 engine mount bracket and bracket plate installation bolts in the order shown in the figure.

Fig 9: No. 1 Engine Mount Bracket And Bracket Plate Installation Bolts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.

Tightening torque
- 84-98 N.m {8.6-9.9 kgf.m, 62-72 ft.lbf}

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

Fig 10: No. 3 Engine Mount Installation Bolts And Nuts Tightening Sequence

Courtesy of MAZDA MOTORS CORP.

TORQUE SPECIFICATIONS

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 11: No. 4 Engine Mount Bracket Bolt And Nuts Tightening Sequence

Courtesy of MAZDA MOTORS CORP.

TORQUE SPECIFICATIONS

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.

Fig 12: Identifying No. 1 Engine Mount Rubber And Bolts With Torque Specifications
Courtesy of MAZDA MOTORS CORP.