clutch or gearbox banging?????

1. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

   #1 12th August 2010, 16:55

   think either my clutch or gearbox/diff is nakerd
   
   when you turn car on there is a knocking sound on tik over but when you put the clutch in it stopps. when you accelerate off a junction there is a loud knocking/banging which gets faster with the revs? any ideas????? thanks
2. SamT_2k7 L-plater Joined: Apr 2009 Posts: 40 VTS & VTR

   #2 12th August 2010, 17:55

   sounds like a thrust bearing gone mate
3. user_40784 Saxperience Forum Bum Joined: Jan 2010 London Posts: 2768

   #3 12th August 2010, 18:10

   Quote:

   Originally Posted by SamT_2k7 sounds like a thrust bearing gone mate

   Thrust release bearing is only working when the clutch is pushed in and so any sounds being made when the clutch in use will point to a bad clutch release bearing. Im having similar problem but mine doesnt make any knocking/banging sound when pulling off..
   
   When was the last time you changed the entire clutch kit?
4. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

   #4 12th August 2010, 18:14

   its got a recon box and new clutch in about 20k ago
5. ashpearse L-plater Joined: Aug 2010 Teesside Posts: 84 Ph2 VTS

   #5 12th August 2010, 18:39

   does the knocking noise rise and fall with the revs??
6. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

   #6 12th August 2010, 18:40

   yes wen you accelerate it speeds up with the revs
7. ashpearse L-plater Joined: Aug 2010 Teesside Posts: 84 Ph2 VTS

   #7 12th August 2010, 18:47

   going on what you have just said im thinking its the box.....
8. user_40784 Saxperience Forum Bum Joined: Jan 2010 London Posts: 2768

   #8 12th August 2010, 20:42

   Quote:

   Originally Posted by ashpearse going on what you have just said im thinking its the box.....

   Care to explain? i must know moarr!
9. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

   #9 13th August 2010, 15:00

   bumpppp anyone else got ideas?
10. user_4681 Saxperience Post Whore Joined: Dec 2004 Grimsby United Kingdom (England) Posts: 5489 SUPERCHARGED saxo vts

    #10 13th August 2010, 17:37

    banging sounds like the diff isnt right. you sure its not just a rumble (release bearing)?
11. user_40784 Saxperience Forum Bum Joined: Jan 2010 London Posts: 2768

    #11 13th August 2010, 17:47

    Quote:

    Originally Posted by sexy_gt you sure its not just a rumble (release bearing)?

    why? would a loose/improperly seated clutch release bearing cause ticking/knocking sounds when in neutral and clutch not pressed?
12. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

    #12 13th August 2010, 23:05

    it sounds like somthing catching on a rotation if that makes sense sounds quite loud like wen a driveshft is knocking wen you turn but its wen you set off straight line and the knocking goes faster as you accelerate.
13. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

    #13 14th August 2010, 13:05

    bumpppp dont wana buy a new box if its only the clutch??
14. user_40784 Saxperience Forum Bum Joined: Jan 2010 London Posts: 2768

    #14 14th August 2010, 13:36

    Just wondering, when did the knocking start? did the knocking come about suddenly before it was working fine? When you say your hear knocking increasing with revs can you still hear it at fairly high engine speeds?
15. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

    #15 14th August 2010, 14:03

    yh it was working fine then went over a speed bump which sempt to start it off yeh wen you accelerat it goes faster with the revs but you cant hear it so much in the higher gears
16. JoeExpose Regular Poster Joined: Aug 2009 Wirral Posts: 383 Saxo 2001 VTR 98 bhp

    #16 14th August 2010, 14:19

    lower gearbox mount?
17. user_40784 Saxperience Forum Bum Joined: Jan 2010 London Posts: 2768

    #17 14th August 2010, 14:48

    Quote:

    Originally Posted by JoeExpose lower gearbox mount?

    Why on earth would a mount cause that noise relative to the clutch? Its the input shaft bearing that needs replacing, costs about £10 to buy the part but hundreds to fit..
18. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

    #18 14th August 2010, 14:52

    Quote:

    Originally Posted by johnr32 Why on earth would a mount cause that noise relative to the clutch? Its the input shaft bearing that needs replacing, costs about £10 to buy the part but hundreds to fit..

    you recon its the clutch that needs doing not the diff then?
19. user_40784 Saxperience Forum Bum Joined: Jan 2010 London Posts: 2768

    #19 14th August 2010, 14:58

    Quote:

    Originally Posted by adam661 you recon its the clutch that needs doing not the diff then?

    Nope, not the clutch but the input shaft bearings have gone.
20. adam661 Saxperience Forum Bum Joined: Jan 2009 chesterfield (ish) Posts: 2685 icelandic grey 53 vt

    #20 14th August 2010, 15:01

    so a new gearbox jobby really then?
21. user_40784 Saxperience Forum Bum Joined: Jan 2010 London Posts: 2768

    #21 14th August 2010, 15:13

    Quote:

    Originally Posted by adam661 so a new gearbox jobby really then?

    Seeing as its a reconned box and its just the input shaft bearings i would look at just replacing those rather than the whole gearbox. As to price im not sure how much gearbox specialists charge but its a fairly easy job for them to do.

    1 user thanked this post: adam661