Workshop Manuals Factory service & repair

Alfa Romeo GT Factory Service Manual (2003-2010)22 · Fault diagnosis

22 · Diagnostics

Drift whilst braking

Make: Alfa Romeo
Model: GT Factory Service Manual
Year: 2003–2010
Section: Steering – vehicle behaviour › Drift whilst braking

‹ Prev Vehicle drift Next › Steering hard / (steering in both directions)

Fault diagnosisDrift whilst braking

DRIFT WHILST BRAKING

During braking, the car pulls to the right and/or left

1	CHECK FOR OIL LEAKS	All OK	Problems met	Operation
		Results of the tests
	Check that there are no fluid leaks from: calipers; master cylinder - condition of braking system	Continue to Step 2	Fluid leak from a front caliper	Replace the faulty caliper Op. Op. 3310A30 FRONT BRAKE CALIPER ONE R R
		Continue to Step 2	Fluid leak from a rear caliper	Replace the faulty caliper Op. Op. 3310B36 REAR BRAKE CALLIPER - R R
2	CHECK ON BRAKE WEAR	All OK	Problems met	Operation
	Check the state of wear of the brakes - condition of brake surfaces	Continue to Step 3	Brakes very worn	Overhaul the brakes
		Continue to Step 3	Discs vitrified or with traces of grease	Clean and check for causes
3	CHECK ON WHEEL GEOMETRY	All OK	Problems met	Operation
	Check the geometry and track of the wheel axle	Continue to Step 4	Front wheel geometry outside limits	Restore the correct front wheel geometry Op. Op. 4450A10 FRONT WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT - INCLUDES FRONT WHEEL TOW-IN ADJUSTMENT IF NECESSARY
	Check the geometry and track of the wheel axle	Continue to Step 4	Rear wheel geometry incorrect	Restore the correct rear wheel geometry Op. Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT
4	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check that there are no faults in the ABS control unit	Continue to Step 5	An error is detected in the control unit	Continue following the instructions for the diagnostic equipment
		Continue to Step 5	Lack of dialogue with the control unit	Restore the connection between the engine management control unit and the diagnostic connector See E7020 ABS
5	CHECK ON DRIFT	All OK	Problems met	Operation
	Disconnect the ABS control unit. Check whether the vehicle still drifts during braking at variable speeds	Continue to Step 6	Vehicle does not drift during braking	Replace ABS control unit Op. Op. 3340A20 ABS ELECTRONIC CONTROL UNIT - R+R
6	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Test the vehicle before delivery to the customer, checking that the fault is no longer present The test is essential, as the braking system is a safety feature of the car	End of diagnosis

‹ Prev Vehicle drift Next › Steering hard / (steering in both directions)

Parts & tools for this job For 2003 Alfa Romeo GT

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.