Brake System Diagnosis. Pontiac Sun Runner - 4WD (Canada) 1998

For 1990-2009 cars

## Brake System Diagnosis Premature Lining Wear-Out

Causes | Correction
--- | ---
Leaking brake pipe/connection | Locate and fix the brake pipe/connection.
Improperly adjusted stoplamp switch | Adjust the stoplamp switch to specification.
Brake pedal linkage interference/binding | Repair/replace the brake pedal linkage.
Out-of-balance tire/wheel assembly(ies) | Locate and fix the out-of-balance tire/wheel assembly(ies).
Operator riding on the brake pedal | Advise the operator of proper brake usage.
Caliper to knuckle clearance | Repair as necessary.

## Brake System Diagnosis Pull

Causes | Correction
--- | ---
Leaking brake pipe/connection | Locate and fix the brake pipe/connection.
Leaking piston seal | Replace the caliper piston seal.
Uneven brake lining material | Replace the brake linings.
Incorrect lining materials | Replace the brake linings.
Contaminated brake linings | Replace the brake linings.
Linings damaged by abusive use | Replace the brake linings.
Improper rotor surface finish | Recondition the rotor surface or replace the rotor.
Incorrect front wheel alignment | Set the front end alignment to specification.
Incorrect tire pressure | Set the tire pressure to specification.
Loose front suspension parts | Locate and tighten/repair/replace the loose front suspension components.
Caliper to knuckle clearance | Repair as necessary.