Workshop Manuals Factory service & repair Fiat
01 00 General information and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 27 Axle06 33 Braking system07 41 Steering08 44 Suspension and wheels09 50 Auxiliary units10 55 Electrical equipment11 70 Bodywork12 Diagnosis13 Tests14 Wiring diagrams
Fiat Seicento Factory Service Manual (1998-2010)12 · Diagnosis
12 · Diagnostics

F01 Poor braking effect

Make
Fiat
Model
Seicento Factory Service Manual
Year
1998–2010
Section
Brakes › F01 Poor braking effect
DiagnosisF01 Poor braking effect · page 1 of 2

F01 Poor braking effect

Poor braking effect

Increasing pressure on the brake pedal, corresponding increase in brake force is not noted.

– If brake pedal elasticity is also noted, also see table F11

– If brake pedal stiffness is also noted, also see table F12

Preliminarily check:

  • tyre pressure
  • tyre type and conditions
  • brake fluid level in reservoir
Step Validity Operation to be performed Test results
OK Problems found Intervention
1 CHECK BRAKE BOOSTER
Check correct operation of brake booster
All OK
Go to Step 2
Ineffective brake booster Replace brake booster unit
PROCEDURE OP. 3330D10
2 Check pad type and surface
Check:
– brake pad intactness (front brakes)
– pad type (front brakes)
– shoe braking surface intactness (rear brakes)
All OK
Go to Step 3
Vitrified braking surfaces or traces of grease, oil, water Clean, check and eliminate cause of the problem. If required, replace the pads
PROCEDURE OP. 3310A60 (front) or shoe 3320B10 (rear)
Incorrect pad/shoe type Replace pads
PROCEDURE OP. 3310A60 (front) or shoes 3320B10 (rear)
3 CHECK DISKS/DRUMS
– Check brake drum intactness
– Check brake drum intactness
All OK
Go to Step 4
Worn or damaged drum disks Rectify disks
PROCEDURE OP. 3310A54 (front) or mill drums 3320B38 or, if required, replace them PROCEDURE OP. 3310A50 (front) or the shoes 3320B34 (rear)

(Cont..)

Parts & tools for this job For 1998 Fiat Seicento

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