Introduction - GEARBOX

Caution

All operations should be carried out taking great care to avoid injury to persons.

The engine compartment contains numerous moving parts, components at high temperatures and electrical wiring with voltage.

Closely observe the following precautions when carrying out operations in the engine compartment.

• Turn off the engine and wait for it to cool down.
• Do not smoke.
• Do not use naked flames.
• Make sure that there is an extinguisher at hand in the workplace.

For some procedures, the use of special Fiat tools is indicated. The use of these tools is vital in order to work safely.

Follow the safety instructions in force for workshop procedures. Where necessary, the Manual contains specific warnings to prevent the risk of dangerous situations.

When using chemicals, closely follow the safety instructions given on the safety sheet which the supplier must give to the user (in Italy, in accordance with M.D. no. 47/1992).

WARNINGS

All the operations should be carried out taking great care not to damage the components.

In order to release parts which are sticking, tap gently with an aluminium or lead hammer if iron materials are involved: use a wooden or resin hammer for light alloy parts. use a wooden or resin hammer for light alloy parts.

When dismantling, check that the components have reference marks.

During refitting, lubricate the parts as necessary to prevent seizure during the initial period of operation.

When refitting, it is vital to follow the recommended tightening torques and adjustment data.

During each refitting, replace the gaskets, oil seals, spring washers, safety plates, self-locking nuts and all components which have deteriorated.

To avoid possible damage to the gearbox casing whilst tightening the oil drainage and/or filler plug(s), it should be pointed out that the torque figures given in the Service Manuals refer to 'dry' threads (without a trace of oil or other lubricants).

In effect, lubricating the thread reduces friction and assists the tightening of the components concerned; therefore, when the tightening is complete, the effect of the torque applied will be greater than that planned and described in the Manuals.

It is therefore necessary to thoroughly clean any traces of lubricant from the threads (both those for the plugs and the one for the gearbox casing) before each tightening.