Grinding Disc

Citroen Xsara 2001 1.4 - Brake discs & pads replaced - now grinding?
Recently had front brake discs and pads replaced. Within a few months, vibration and grinding noise appeared. Took car back to garage who diagnosed warped discs and replaced under warranty. A few months later, same problem and same solution, but garage unable to say what was causing problem. The grinding noise has now started again - can anyone offer suggestion as to what it might be/cause etc. Apparently garage has checked hub, calipers etc and all OK. Noise only happend under braking. Car recently passed MOT in between outbreaks of grinding !
When you have new brake pads fitted, they take a while to 'bed' in (200 - 300 miles worth of driving). During this time you should never brake harshly as this could give the pads an uneven surface which will damage the discs.
If you are driving the car at speed it does'nt take much to warp the discs as this car does not have High Performance brakes.
Saying this, warped discs should not cause a grinding sound, it will cause a vibration that can be felt through the brake pedal under braking.
Are you sure the grinding is coming from the front brakes, do you have drum brakes at the back? Remove the drum and clean the shoes up and check the wheel cylinders for any leaks under the rubber seals. Use a bit of emery cloth on the inside of the drum to remove any notches (a garage will charge around £60 for this)
Are you 100% sure the noise is only heard under breaking?
Presentation of Dronco cutting and grinding disc's with Protool cutting machine
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10 Diamond Concrete Grinding Disc Disk Head Wheel Cup | ![]() |
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5 inch Diamond coated grinding disc wheel blade 2 ROW | ![]() |
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100mm 4 Diamond coated grinding grind disc wheel 8049 | ![]() |
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Diamond 5 Wet Grinding Disc 3pk 50 60 grit T33S5060 | ![]() |
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grinding disk flap disc80 grit 8 pcs | ![]() |
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Camel Grinding Wheels Flap Disc Aluminum 36 Grit | ![]() |
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Masonry Grinding Disc W Hub 9 Inch CLOSEOUT | ![]() |
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MK Diamond PVA Dry Grinding Discs Grit Size 220 | ![]() |
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MK Diamond PVA Dry Grinding Discs Grit Size 80 | ![]() |
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MK Diamond PVA Dry Grinding Discs Grit Size 40 | ![]() |
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Milwaukee 49-93-3371 5-inch x 1/8-inch x 7/8-inch Arbor Silicon Carbide Grinding Discs (25 Pack) List Price: $69.99 Sale Price: $5.95 Average Rating: ![]() |
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Type 27 depressed center silicon carbide grinding wheels are strong and tough. Reinforced with fiberglass they resist breaking from twisting, starting torque and lateral pressures. They can be used on the toughest concrete and masonry applications. The 1/8-inch wheel thickness is ideal for cut-off and scoring applications. 25 per box. |
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DEWALT DW4535 4-1/2-by-7/8-Inch 36-Grit Fiber Disc, 5-Pack List Price: $7.79 Sale Price: $5.57 Average Rating: ![]() |
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The DeWalt 4-1/2-by-7/8-inch 36-grit fiber disc is designed to handle any sanding or finishing job performed with a DeWalt sander. The disc's sandpaper face is constructed of industrial-grade backing paper for tear resistance, and premium aluminum oxide grain for aggressive stock removal. It's also reinforced with industrial grit and glue for increased life and durability. The wheel's superior friability allows the wheel to breakdown quickly and consistently exposing new grain for longer life. The sandpaper is coated with a Stearate finish to prevent clogging and slow removal rates. |
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Milwaukee 49-94-3360 5" x 1/4" x 7/8" Arbor Silicon Carbide Grinding Discs (10 Pack) List Price: $49.99 Sale Price: $5.95 |
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Type 27 depressed center silicon carbide grinding wheels are strong and tough. Reinforced with fiberglass they resist breaking from twisting, starting torque and lateral pressures. They can be used on the toughest concrete and masonry applications. 10 per box. |
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Milwaukee 9" x 1/4" x 5/8-11 Arbor Aluminum Oxide Grinding Discs for use on Stainless Steel (10 Pack) - 49-92-3240 List Price: $29.99 Sale Price: $4.99 |
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Type 28 grinding wheels have a special flared shape that keeps the grinding wheel at the correct position on the work piece. The contour shape also makes it easier to work in confined work areas. The aluminum oxide grain is designed for use on metal and this wheel is specifically designed for Stainless. 10 per box. |
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Milwaukee 49-93-3234 9" x 1/8" x 5/8-11 Arbor Aluminum Oxide Grinding Discs (10 Pack) List Price: $17.00 Sale Price: $5.95 |
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Type 27 disposable hub depressed center aluminum oxide grinding wheels are strong and tough. Reinforced with fiberglass they resist breaking from twisting, starting torque and lateral pressures. They can be used in the toughest metal grinding applications. The 1/8 inch wheel thickness is ideal for edge grinding and cut-off applications. 10 per box. |
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Milwaukee 49-93-3113 7" x 1/4" x 7/8" Arbor Aluminum Oxide Grinding Discs (10 Pack) List Price: $25.00 Sale Price: $5.95 |
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Milwaukee 49-94-3350 5" x 1/8" x 7/8" Arbor Aluminum Oxide Grinding Discs (10 Pack) List Price: $14.49 Sale Price: $4.66 |
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Type 27 Depressed Center Aluminum Oxide Grinding wheels are strong and tough. Reinforced with fiberglass they resist breaking from twisting, starting torque and lateral pressures. They can be used in the toughest metal grinding applications. 10 per box. |
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Proxxon 28585 and 28586 0 2-Inch 60-Grit and 36-Grit Aluminum Oxide Grinding Discs for LW/E List Price: $11.00 Sale Price: $7.70 |
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Mirka 23-624-100 6" 6-Hole 100 Grit Dustless Hook & Loop Sanding Discs - 50 Pack List Price: $27.88 Sale Price: $19.90 Average Rating: ![]() |
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Mirka Abrasives INC 23-624-100 - Bulldog Gold - 6" 6-HOLE GRIP DISC 100 GRIT, 50/BX - Premium paper for finishing as well as heavy stock removal - Durable aluminum oxide grain delivers a fast, exceptionally long lasting cut - High strength resin bonded system - C & D-weight backings are 50% stronger than other premium brands using A-weight backings - Made with an anti-load stearate to provide increased life. The Mirka 6-Inch 6-Hole 100 Grit Dustless Hook and Loop Sandpaper discs have a special sharp, durable aluminum oxide grain that gives you fast and exceptionally long-lasting results. Durable aluminum oxide, combined with urea resin over glue bonds and an open coat, creates a high performance sandpaper. These hook and loop sanding disks are 100 grit, are sold 50 per box, and fit DeWalt DW443, Porter Cable 335, 97366, and Bosch 3727DVS. |
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Norton 20X Flap Disc 03213 4-1/2" x 5/8-11 Hub 80 Grit List Price: $7.00 Sale Price: $6.30 Used From: $2.93 |










































