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I have a Brother ex-660 and it is making a thumping noise, it seems to make the noise every time the needle goes down into the fabric. I noticed the plate under the fabric is chipped (could be from the needle hitting it maybe that is the thump) please help

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Change the needle and then using the side wheel wind through the stitch process manually. If the needle is still hitting something down under the needle plate, then your timing is out, take it to a mechanic.

Posted on Oct 07, 2009

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My brother started making a loud noise when sewing pant fabrics

Your machine is complaining because it doesn't have the power to push through the layers of fabric. That clunking noise is the gears in the machine skipping and being sheered off (or it will be eventually) STOP!

If you feel that you need to continue... stop when it does this noise and use the HAND WHEEL. You'll also need to make sure that the presser foot remains level while going over thick seams.

Jan 02, 2013 | Brother Sewing Machines

1 Answer

Loud thumping noise CS-6000i

hmmm... Can you determine where the thumping is coming from?

In my experience thumping like this is because something has gotten out of time. You might be able to see it if you take the bobbin, and needle plates off. Take off the threads, top and bottom and you might have to take out the bobbin carrier too. Making sure to understand how it goes back in. Take off the presser foot and any presser foot holder. Locate the shuttle point. Hand rotate the machine in the direction it normally turns (NEVER backwards) and watch what the needle does. Does the needle hit the shuttle? Does the shuttle bounce up and down?

You also might try grasping the presser foot bar and the lever at the same time. Check for play of the bar by gently moving the presser foot bar up and down while "feeling" for unusual movement.

Even if you determine the issue... you'll need to take it in for repair. There are no publicly available service manuals for your machine (or my brother for that matter)

You also might want to check your bobbin for rough spots, use very fine sand paper to smooth them out if you find any.

Nov 06, 2012 | Sewing Machines

1 Answer

With each stitch the machine makes a loud clacking noise and needle broke

Needle breaks
1.the needle is damaged
2.the needle is not correctly inserted
3.wrong size needle for the fabric
4.the wrong foot is attached
5.the needle clamp screw is loose
6. Top tension is too tight
7. Machine could be out of time--needs to be checked at a repair

Sep 10, 2012 | Brother Sewing Machines

2 Answers

Thumping noise

change the needle again, when you hear a thumping noise that
means the needle is either damaged or not the right one for the
adjust the top tension one letter or number higher till the stitch look
it show the machine name is bernina model is 440,, so I'm putting
in a link for a manual for the machine

if this is not the manual, then let me know & I will find you another

Sep 05, 2012 | Bernina Sewing Machines

1 Answer

Skip stitches

some machine are not made to sew thick or heavy fabric
Sewing machine skips stitches
needle inserted incorrectly--flat side of the needle faces the shaft
round needle--groove of needle faces away from the shaft
Raise the needle bar to the highest point, then loosen the clamp screw to remove the needle. Place the new needle in the clamp with the flat side of the needle facing the back of the machine.
If round needle--the groove in the needle faces away from the shaft
Push needle all the way up to the stop or as far as it will go.
possible bent needle--lay needle on flat surface & roll needle over, if the needle does not roll good -replace
blunt needle point--needle makes a popping sound when needle penetrates the fabric--replace needle
needle not all the way up in needle holder--loosen needle clamp screw & push the needle up until it stops then tighten screw
incorrect threading--one step missed in sequence of threading can cause machine to skip stitches
wrong needle in machine--check instruction manual--some machines can use a generic needle with no problem--some can't--
size of needle & thread not compatible--
Using the wrong type needle can cause problems,,
A needle to fine for heavy fabric can bend or break when it hit's the fabric
And a too large needle can make puncture holes in the fabric and pull unevenly while stitching

Sep 03, 2012 | Brother InnovIs 4000D Computerized Sewing...

1 Answer

Bobbin is making a thumping sound and thread is clumping on bottom will not catch right

Remove bobbin.
Take your small sewing machine lint brush and sweep around the bobbin case to remove debris (lint, loose threads).
Make sure bobbin looks smooth with no visible bent areas or scratches.Sweep out feed dogs area. Gently get the brush bristles down in there but be very gentle, of course.
Make sure when you rethread your machine (which I HIGHLY recommend) that your needle is all the way up as high as it will go in the needle shaft. Flat side of the needle goes to the back and the rounder side should face you. Tighten the screw on the needle clamp securely.
How about the weight of the fabric? Maybe it's too heavy for the size needle you are using. Or vice versa. And thread should be of good quality and suitable for the weight/type of fabric you are using (i.e. can't use cotton thread to sew Spandex, etc.)
Make sure your bobbin is going properly into the bobbin case. The thread goes under the piece where the tension screw is (right to left) and up through the delivery eye. You can tighten or loosen the bobbin case screw, but just a TAD and test results, being careful not to over-turn this! It doesn't take a huge turn to change results it makes.
Hope this helps!

Mar 31, 2012 | Brother LS-2125 Mechanical Sewing Machine

1 Answer

I couldn't find the Brother XL-3520, so I'll just ask here. I noticed that I have a single needle (already attached to machine) and a double needle attachment but I need a thicker needle for...

most domestic sewing machines use 130/705h system needles - buy a pack each of size 70, 80, 90 and 100 to start. if you plan on sewing knits (stretchy) fabrics then buy a couple packs of ball points in size 70 and 80. put in a new needle for each garment you sew as a needle goes blunt in about 6 hours depending on what you are stitching. visit and check out sewing machines 101 and debbie's article on sm needles for more good info. depending on what your heavier weight fabric is you may need to use a 110 size to handle it. the denser the fabric the bigger it needs to be.

May 17, 2011 | Brother XL-3510 Mechanical Sewing Machine

1 Answer

Brother cs6000i thumping noise

Need to change your needle and make sure in doing so that you have it tight and all the up in the needle plug. Also when is the last time the machine was oiled? Is this a top loading machine? Meaning, is the bobbin on the top or in the bottom of the machine?

Feb 22, 2011 | Brother CS6000i Computerized Sewing...

2 Answers

Lould noise when sewing. already, cleaned inside, oiled, changed thread, needle and begins to sew correctly but while sewing becomes loud again. bobbin casing does not appear to be damaged. machine is...

Have you taken your throat plate off and cleaned that out? You have to take a stubby short screwdriver and remove the throat plate. Sometimes, lint and cloth build up in there and it looks like felt almost. I was surprised when mine had it, I always followed the standard way of cleaning and lubricating until my friend told me about this. I was shocked, to say the least, that she was right. And my machine quieted right down. Hope this solves your problem

Dec 30, 2010 | Brother CE4000 Computerized Sewing Machine

1 Answer

How do I fix thumping/clunking sound?

make sure your needle is facing the right way, some needles if you look at the front and back you will see a groove side and a flat side sometimes it is hard to tell the difference depending on needle style.. hold it up to light and look at it from the side the difference will be slight but you will see a difference groove should face the back or if your presser foot is out of wack (lol so technical terminology) it could cause needle breaks and noise you can detect damage to the presser foot if this is happening.... only other thing i can suggest is to make sure bobbin is securely snapped into the housing if not it can cause problems with the needle picking up the bobbin

Apr 08, 2010 | Brother CS6000i Computerized Sewing...

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