Workshop Manuals Factory service & repair Fiat
01 00 Introduction and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 33 Braking system06 41 Steering07 44 Suspension and wheels08 50 Auxiliary units09 55 Electrical system10 70 Bodywork
Fiat Punto (176) Factory Service Manual (1993-1999)08 · 50 Auxiliary units
08 · General

Operation of draining vehicle air conditioning system

Make
Fiat
Model
Punto (176) Factory Service Manual
Year
1993–1999
Section
Heating/ventilation › Operation of draining vehicle air conditioning system
50 Auxiliary unitsOperation of draining vehicle air conditioning system
FAULTS CAUSES OPERATIONS TO BE CARRIED OUT
Coolant in dispensing cylinder exceeds maximum established level Inefficient maximum level sensor Replace sensor (*)
Level of coolant in dispensing cylinder less than minimum established Minimum level sensor inefficient Replace sensor (*)
Pressure in dispensing cylinder does not increase Thermostat setting incorrect
Dispensing cylinder heating element inefficient
Reset thermostat
Replace heating element
Presence of moisture in recovered and recycled coolant indicated by moisture indicator Saturation of drying agents in dehydrating filters
Moisture indicator inefficient
Replace filters (*)
Replace moisture indicator (*)

(*) See note on page 26

OPERATION OF DRAINING VEHICLE AIR CONDITIONING SYSTEM

FAULTS CAUSES OPERATIONS TO BE CARRIED OUT
Vacuum pump will not operate PUMP warning light off due to:
- incorrect positioning of switch or function selector knobs; Position knobs of switch and function selector correctly
- break in supply circuit of vacuum pump and/or PUMP warning light Identify point of break and restore circuit continuity
- lack of current or break in lead connecting electrical mains to device (revealed by failure of ON light to come on) Check whether power failure is due to a temporary factor or a fault in the workshop equipment. If necessary, repair lead connecting equipment and mains
Vacuum pump inefficient Contact manufacturer's Service department

Parts & tools for this job For 1993 Fiat Punto

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