Workshop Manuals Factory service & repair Alfa Romeo
01 Introduction and contents02 Vehicle characteristics and maintenance03 Engine – mechanical (Twin Spark)04 Fuel system (Twin Spark)05 Ignition, starting and charging (Twin Spark)06 Engine cooling (Twin Spark)07 Engine – mechanical (V6)08 Fuel system (V6)09 Ignition, starting and charging (V6)10 Engine cooling (V6)11 Electrical diagnosis – introduction and wiring diagram guide12 Electrical 01 – Power supply13 Electrical 02 – Fusebox14 Electrical 03 – Location of grounds15 Electrical 04 – Sidelights16 Electrical 05 – Main and dipped beam headlights17 Electrical 06 – Headlight alignment adjustment18 Electrical 07 – Rear and front fog lamps19 Electrical 08 – Direction indicators and hazard warning lights20 Electrical 09 – Stop lights21 Electrical 10 – Reversing lights22 Electrical 11 – Day lights23 Electrical 11A – Dim-dip device24 Electrical 12 – Interior lighting25 Electrical 13 – Instrument panel26 Electrical 14 – Check panel27 Electrical 15 – Provision for radio28 Electrical 15A – Radio system29 Electrical 16 – Cigar lighter30 Electrical 17 – Horns31 Electrical 18 – Windscreen wipers and washers, headlight washers32 Electrical 19 – Heated rear window and heated door mirrors33 Electrical 20 – Boot release control34 Electrical 21 – Door locking system35 Electrical 21A – Remote control door locking36 Electrical 21B – Anti-theft device37 Electrical 22 – Front power windows38 Electrical 22A – Front power windows (one-touch version)39 Electrical 23 – Rear power windows40 Electrical 24 – Adjustable heated seats41 Electrical 25 – Sunroof42 Electrical 26 – Heating, ventilation and air conditioning43 Electrical 27 – Starting and charging44 Electrical 28 – Engine cooling fan45 Electrical 29 – Motronic ignition and injection46 Electrical 29A – Alfa Romeo CODE immobiliser47 Electrical 30 – ABS48 Electrical 31 – Controlled damping suspension49 Electrical diagnosis – components key50 Clutch51 Gearbox and differential52 Axle shafts53 Front suspension54 Brakes55 Steering56 Rear suspension57 Wheels and tyres58 Electrical system59 Instrument panel and electronic instruments60 Bodywork61 Doors62 Boot and bonnet63 Interior trim64 External trim65 Heating and ventilation
Alfa Romeo 155 Factory Service Manual (1992-1998)51 · Gearbox and differential
51 · Transmission

Bench reassembly (page 5 of 7)

Make
Alfa Romeo
Model
155 Factory Service Manual
Year
1992–1998
Section
Bench reassembly
Gearbox and differentialBench reassembly · page 5 of 7
  1. Holding up the gear selector lever, install the gearbox checking that the gear selector prong is inserted in the 3rd - 4th speed fork.
  2. CAUTION: Before installing the gearbox, wipe the contact surfaces with "LOCTITE 537" flat surface sealant.

  3. Tighten the thirteen the screws to the prescribed torque, three of which are located inside the gear-box-engine support union.
  4. Insert the speed control rod idle positioning balls and springs and tighten the caps to the prescribed torque.
  5. Tighten to the prescribed torque, the screws securing the reverse speed shaft.
  6. Install the flexible rings securing the rear bearings.
  7. CAUTION: To facilitate the installation of the flexible rings, adjust them so that the frontal opening is in the position shown in the illustration.

Diagram showing gearbox installation with torque specifications for various bolts.
  1. Part 1
  2. Part 2
  3. Part 3
  4. Part 4
  5. Part 5

32 ÷ 42 Nm
(3.26 ÷ 4.28 kgm)

24 ÷ 31 Nm
(2.45 ÷ 3.16 kgm)

20 ÷ 40 Nm
(2.03 ÷ 4.07 kgm)

Parts & tools for this job For 1992 Alfa Romeo 155

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