Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo 155 Factory Service Manual (1992-1998)51 · Gearbox and differential
51 · Transmission

Removal and installation

Make
Alfa Romeo
Model
155 Factory Service Manual
Year
1992–1998
Section
Removal and installation › Removal and installation
Gearbox and differentialRemoval and installation

REMOVAL AND INSTALLATION

  • Remove the gearbox and place it on a suitable stand. Disassemble up to the removal of the complete differential group (see: BENCH DISASSEMBLY 1.8 - 2.0 T.S.).

BENCH DISASSEMBLY

  1. Using tool No. 1.821.034.000, remove the roller bearings. During installation insert the bearings using tool No. 1.821.062.000.
Diagram showing tool 1.821.034.000 removing roller bearings from a gear assembly
Illustration of a hammer
Diagram showing tool 1.821.062.000 installing bearings into a gear assembly
  1. Using a reaction washer and a universal puller, remove the odometer idle control gear.

On installation, heat the gear in an oven to between 100° and 120°C and then insert.

Illustration of a reaction washer and universal puller
  1. Mark the relative positions of the cylindrical crown gear and differential casing in order to be able to correctly position them during installation. Unscrew the screws securing the crown gear to the casing and remove the crown gear.
Diagram showing a tool being used to mark positions on a gear assembly
  1. Mark the relative positions of the cylindrical crown gear and differential casing in order to be able to correctly position them during installation. Unscrew the screws securing the crown gear to the casing and remove the crown gear.
Diagram showing a tool being used to unscrew screws on a gear assembly

84 ÷ 109 Nm
(8.56÷11.1 kgm)

Parts & tools for this job For 1992 Alfa Romeo 155

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