Workshop Manuals Factory service & repair Lancia
Lancia Thesis Factory Service Manual (2002-2009)22 · Fault diagnosis
22 · Diagnostics

Drift whilst braking

Make
Lancia
Model
Thesis Factory Service Manual
Year
2002–2009
Section
STEERING – vehicle behaviour › Drift whilst braking
Fault diagnosisDrift whilst braking

DRIFT WHILST BRAKING

The vehicle tends to drift to the left and/or the right whilst braking.

STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
0CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION

Connect the diagnostic test equipment (Examiner or other instruments) to the Body Computer.Check the following at the CAN:

  • that there are no faulty control units;
  • no control unit with faulty CAN line;
Move on to StepPresence of errorsContinue following the instructions for the diagnostic equipment
1OIL LEAKS CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check that there are no oil leaks from:

  • calipers;
  • master cylinder - braking circuit
Move on to Step1. Oil leak from one front caliper

1. Replace the faulty caliper

See in Op. 3310A30 FRONT BRAKE CALIPER (one) - R.R. - Includes bleeding air

2. Oil leak from one rear caliper

2. Replace the faulty caliper

See in Op. 3310B36 REAR BRAKE CALIPER (one), left or right - R.R.

2BRAKE WEAR CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check the brakes for wear and the condition of the braking surfacesMove on to Step1. Brakes very worn1. Overhaul the brakes
2. Discs vitrified or with traces of grease2. Clean and check the causes
3CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION

Test the vehicle before returning it to the customer, checking that the problem no longer exists.

The test is essential because the braking system is one of the vehicle's safety systems.

Parts & tools for this job For 2002 Lancia Thesis

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