Buick Encore Owners & Service Manuals

Buick Encore: Description and operation

TRANSMISSION SYSTEM DESCRIPTION AND OPERATION

The M32-6 is a 6-speed manual transmission. This manual transmission is an all-synchromesh 3-shaft transmission.

Fig. 93: 3 Shaft Transmission
Fig. 93: 3 Shaft Transmission

This 3-shaft transmission (1) has the following advantages:

  • Compact construction
  • Improved smooth-running performance
  • Better shift quality
  • High torque transmission
  • Low weight

Location of the Shafts

The following cross-sectional diagram shows the location of the respective shafts in the M32-6 transmission, as per the 3-shaft principle

Fig. 94: Shaft Locations
Fig. 94: Shaft Locations

Location of the Shafts

In this transmission angular cone bearings are used for all shafts. These bearings require a certain amount of play and pretension. The required amount of bearing play and pretension is achieved at the production stage by using shims under the angular cone bearing in the transmission housing.

Location of Gearwheels

This diagram shows the location of the gearwheels on the respective shaft.

Fig. 95: Gearwheel Locations
Fig. 95: Gearwheel Locations

Location of Gearwheels

Power Flow in the Individual Gears

The following diagrams show the flow of power in the individual gears.

Fig. 96: Transmission 1st Gear Power Flow
Fig. 96: Transmission 1st Gear Power Flow

1st gear

Fig. 97: Transmission 2nd Gear Power Flow
Fig. 97: Transmission 2nd Gear Power Flow

2nd gear

Fig. 98: Transmission 3rd Gear Power Flow
Fig. 98: Transmission 3rd Gear Power Flow

3rd gear

Fig. 99: Transmission 4th Gear Power Flow
Fig. 99: Transmission 4th Gear Power Flow

4th gear

Fig. 100: Transmission 5th Gear Power Flow
Fig. 100: Transmission 5th Gear Power Flow

5th gear

Fig. 101: Transmission 6th Gear Power Flow
Fig. 101: Transmission 6th Gear Power Flow

6th gear

Fig. 102: Transmission Reverse Gear Power Flow
Fig. 102: Transmission Reverse Gear Power Flow

Reverse gear

TRANSMISSION IDENTIFICATION INFORMATION

Fig. 103: Transmission Code Plate
Fig. 103: Transmission Code Plate

The code for the M32-6 transmission will be found on the back of the transmission housing, above the axle shaft. In addition, an Alphacode sticker will be placed on the cover of the differential.

  • Transmission type (M32) (1)
  • Design (2)
  • Engine family (3)
  • Output ratio (3.941) (4)
  • Gear set (C) (5)
  • Alpha Code (MH) (6)
  • Serial number (7 digit) (7)
  • Last digit of year (4 = 2004) (8)
  • 2 blanks (9)
  • Manufacturing plant (A = Aspern) (10)

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS AND EQUIPMENT

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