LEMON Manuals: Even more car manuals for everyone
Home >> Saab >> 2005 >> 9-2X Linear, 253, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs (Diagnostics) >> General Diagnostic Table >> Adjustment/Replacement >> Inspection

General Diagnostic Table: Adjustment/Replacement: Inspection

GENERAL DIAGNOSTIC

Symptom Probable faulty units/parts
Vehicle instability during braking Vehicle pulls to either side.
  • ABSCM&H/U (solenoid valve)
  • ABS wheel speed sensor
  • Brake (caliper & piston, pads)
  • Wheel alignment
  • Tire specifications, tire wear and air pressures
  • Incorrect wiring or piping connections
  • Road surface (uneven, camber)
Vehicle spins.
  • ABSCM&H/U (solenoid valve)
  • ABS wheel speed sensor
  • Brake (pads)
  • Tire specifications, tire wear and air pressures
  • Incorrect wiring or piping connections
Poor braking Long braking/stopping distance
  • ABSCM&H/U (solenoid valve)
  • Brake (pads)
  • Air in brake line
  • Tire specifications, tire wear and air pressures
  • Incorrect wiring or piping connections
Wheel locks.
  • ABSCM&H/U (solenoid valve, motor)
  • ABS wheel speed sensor
  • Incorrect wiring or piping connections
Brake dragging
  • ABSCM&H/U (solenoid valve)
  • ABS wheel speed sensor
  • Master cylinder
  • Brake (caliper & piston)
  • Parking brake
  • Axle & wheels
  • Brake pedal play
Long brake pedal stroke
  • Air in brake line
  • Brake pedal play
Vehicle pitching
  • Suspension play or fatigue (reduced damping)
  • Incorrect wiring or piping connections
  • Road surface (uneven)
Unstable or uneven braking
  • ABSCM&H/U (solenoid valve)
  • ABS wheel speed sensor
  • Brake (caliper & piston, pads)
  • Tire specifications, tire wear and air pressures
  • Incorrect wiring or piping connections
  • Road surface (uneven)
Vibration and/or noise (while driving on slippery roads) Excessive pedal vibration
  • Incorrect wiring or piping connections
  • Road surface (uneven)
Noise from ABSCM&H/U
  • ABSCM&H/U (mount bushing)
  • ABS wheel speed sensor
  • Brake piping
Noise from front of vehicle
  • ABSCM&H/U (mount bushing)
  • ABS wheel speed sensor
  • Master cylinder
  • Brake (caliper & piston, pads, rotor)
  • Brake piping
  • Brake booster & check valve
  • Suspension play or fatigue
Noise from rear of vehicle
  • ABS wheel speed sensor
  • Brake (caliper & piston, pads, rotor)
  • Parking brake
  • Brake piping
  • Suspension play or fatigue