22 · Diagnostics

Brakes noisy

Make: Fiat
Model: Grande Punto Factory Service Manual
Year: 2005–2012
Section: Noise / vibrations › Brakes noisy

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Fault diagnosisBrakes noisy

BRAKES NOISY

During a braking manoeuvre, whistling or squeaking can be heard from the wheel area. Vibrations are also felt in the passenger compartment

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Results of the tests
	For the 1.9 JTD; Steer to the right or to the left and check whether the noise increases.	Move on to Step 1	The noise changes whilst steering	Proceed as instructed See table S015 NOISE WHILST DRIVING
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	For the 1.2 8v, 1.4 8v, 1.3 JTD; Steer to the right or to the left and check whether the noise increases.	Move on to Step 3	The noise changes whilst steering	Proceed as instructed See table S015 NOISE WHILST DRIVING
1	CHECK THE PAD TYPE AND SURFACE	All OK	Problems encountered	Operation
	For the 1.9 JTD; Check: - the condition of the pad braking surfaces; - pad type	Move on to Step 2	1. Front braking surfaces vitrified or with traces of grease, oil or water. Pads not the recommended type 2. Rear braking surfaces vitrified or with traces of grease, oil or water. Pads not the recommended type	1. Re-clean, check and remove the fault causes. Replace the pads if necessary Op. 3310A60 FRONT BRAKE PADS - REPLACE 2. Re-clean, check and remove the fault causes. Replace the pads if necessary Op. 3310B62 REAR BRAKE PADS - REPLACE
2	CHECK DISCS	All OK	Problems encountered	Operation
	For the 1.9 JTD; Check the condition of the brake discs	End of diagnosis	1. Front discs worn or damaged 2. Rear discs worn or damaged	1. Replace the front discs 2. Replace the rear discs
3	CHECK FOR THE PRESENCE OF IRON FILINGS	All OK	Problems encountered	Operation
	For the 1.2 8v, 1.4 8v, 1.3 JTD; Remove the drum and check for the presence of iron filings in the drum and the shoes	Move on to Step 4	Presene of iron filings in the drum and the shoes	Clean the iron filings from the drum and the shoes Refit the drum tighten the wheel bolts to the recommended torque
4	CHECKS ON THE DRUM	All OK	Problems encountered	Operation
	For the 1.2 8v, 1.4 8v, 1.3 JTD; Check whether the drum is oval using suitable measuring equipment	Move on to Step 5	Drum oval	Replace the drum Op. 3320B30 REAR BRAKE DRUM (ONE), LEFT OR RIGHT - R.R.
5	CHECKS ON THE WHEEL HUB	All OK	Problems encountered	Operation
	For the 1.2 8v, 1.4 8v, 1.3 JTD; Check the following on the wheel hub: - circularity; - radial clearances; - axial clearances	End of diagnosis	1. Excessive circularity 2. Excessive radial clearance 3. Excessive axial clearance	1. Replace the hub Op. 4450D10 HUB FOR ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED - CHECK WHEEL GEOMETRY SEPARATELY 2. Replace the hub Op. 4450D10 HUB FOR ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED - CHECK WHEEL GEOMETRY SEPARATELY 3. Replace the hub Op. 4450D10 HUB FOR ONE REAR WHEEL, L/H OR R/H - R+R WITH WHEEL REMOVED - CHECK WHEEL GEOMETRY SEPARATELY

‹ Prev Rear noise (knocking)Next › Steering wheel and brake pedal vibrations

Parts & tools for this job For 2005 Fiat Grande Punto

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