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 Bravo/Brava (182) Factory Service Manual (1995-2001)04 · 21 Gearbox and differential
04 · Transmission

Hydraulic test (page 2 of 2)

Make
Fiat
Model
Bravo /Brava (182) Factory Service Manual
Year
1995–2001
Section
Description and operation (Automatic)
21 Gearbox and differentialHydraulic test · page 2 of 2
Diagram showing vehicle chocked, handbrake applied, brake pedal depressed, selector lever in D position, accelerator pressed, and tachometer reading RPM

P4A34AB01

  • chock the vehicle by placing wedges under the wheels;
  • apply the handbrake fully;
  • press the brake pedal down hard with the left foot;
  • start the engine, warm it up to temperature and check that the idle speed is correct;
  • move the selector lever to position D;
  • read the measurement of the line pressure during idling;
  • fully press the accelerator pedal with the right foot and quickly read the line pressure at the engine's stall speed.

The stall speed test must not exceed 5 seconds in duration.

Repeat the last two operations with the selector lever on position R.

SpeedPosition D (and 1-2-3)Position R (and N-P)
Idling3.7 - 4.3 bar
3.8 - 4.4 kg/cm²
5.4 - 6.3 bar
5.5 - 6.4 kg/cm²
Stall10.8 - 12.5 bar
11.0 - 12.8 kg/cm²
14.1 - 16.9 bar
14.4 - 17.2 kg/cm²
Line pressurePossible causes
Higher than specified value in both D and RFault in pressure control solenoid
Regulating valves faulty
Less than specified value in both D and RFault in pressure control solenoid
Regulating valves faulty
Oil pump faulty
Less than specified value only in DLeaks in hydraulic circuit in forward gears
Less than specified value only in RLeaks in hydraulic circuit in reverse and neutral

Parts & tools for this job For 1995 Fiat Bravo

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