User Tag List

Thanks Thanks:  0
Likes Likes:  0
Page 1 of 2 12 LastLast
Results 1 to 10 of 11

Thread: Whining after new alternator

  1. #1
    Regular Member
    Join Date
    Jan 2009
    Location
    Dartford
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default Whining after new alternator

    Hi all. Had my alternator fail yesterday on my cdti 120 so went out bought a NEW one fitted it and now I have a whining noise.... Is this likely to be a faulty alternator or could I have upset my aux belt tensioner? If it's the tensioner are they easy to replace? And easy to source?

    Thanks
    Last edited by Rickiw; 15th February 2011 at 09:39. Reason: Spelling

  2. #2
    Regular Member johnny1983's Avatar
    Join Date
    Jul 2007
    Location
    Ryton, Gateshead
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    Mine did the same but after a few days the noise disappeared. I wasn't sure if it was just new and a bit tight.

  3. #3
    Regular Member markj23's Avatar
    Join Date
    Aug 2010
    Location
    Luton
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    sounds like its to tight might settle down if not readjust most techs do them a bit tight rather than loose

  4. #4
    Regular Member Craig1985's Avatar
    Join Date
    Dec 2007
    Location
    harwich essex
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    Ain't the tensioner on a spring so they automatically get the right tension?

  5. #5
    Regular Member
    Join Date
    Jan 2009
    Location
    Dartford
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    Yeah it's self tensioning. Wondered if it was bearings in tensioner wheel as you have to apply force to it to release belt, Or maybe brush noise in alternator.
    What cars did u have yours replaced on?

  6. #6
    Regular Member
    Join Date
    Jan 2009
    Location
    Dartford
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    Anyone?

  7. #7
    VIP-Member GSiFan's Avatar
    Join Date
    Nov 2006
    Location
    Houghton Regis, Bedfordshire
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    19 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats

    Vehicle : Vectra GSi 3.2 V6

    Trim : GSi

    Engine : Z32SE

    Year : 2003

    Mileage : 216,400

    Default

    It could be the auxiliary belt tensioner or one of the other ancillaries - air conditioning compressor, water pump, etc. It could also be the idler wheel that the belt runs on.

    It is not that difficult to replace the belt and tensioner. I did mine a couple of weeks ago and wrote a How To, which is with the moderators, I believe. Basically, you remove the airbox, support the engine underneath on a trolley jack (using a piece of wood to spread the load), remove the driver's side engine mounting and then you can pretty much see what to do. I do not know whether your CDTI will have covers over the auxuliary belt or not. My GSi did not. You slacken the belt tension by putting a 15mm socket (or whatever the correct size is for your vehicle) on the nut in the middle of the tensioner pulley and exerting a torque on it clockwise. Then you can pop the auxiliary belt off, replace the tensioner, if necessary (mine was knackered - noisy bearing) and replace the idler wheel (might as well). The new belt is easier to fit is you leave the idler mounting bolt only part way in. It enables you to get the belt over the tensioner pulley more easily. Then slacker off the tensioner, as described above, fit the belt, tighten the idler wheel, refit the engine mounting castings, airbox, ensure that everything is tight and you're done.

    Easier done than said!

    If it's not the belt, tensioner or idler, then it has to be the replacement alternator (where did you get yours?) or one of the other ancillaries has been damaged during the replacement process (where did you get this done?).

    I hope this helps.

    Paul

    Paul
    2003 Vauxhall Vectra GSi 3.2 V6

  8. #8
    Regular Member
    Join Date
    Jan 2009
    Location
    Dartford
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    I bought it from a vauxhall parts specialist and fitted it my self. I was very careful not to interfer with anything other than what i needed to.. Ie alternator and tensioner. I think I'm going to take it off and return it if the noise is the same with a new one fitted I will look at changing the tensionor....
    Rather do that than change belt and tensioner at my cost and find out it wasn't necessary.
    If anyone can think of a better idea please let me know!

  9. #9
    Regular Member
    Join Date
    Sep 2007
    Location
    West
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    It could be the aux belt idler pully, mines whining a little but it isn't causing a problem

  10. #10
    Regular Member
    Join Date
    Jan 2009
    Location
    Dartford
    Problems Posted
    0
    Problems Solved
    0
    Best Answers
    0
    Good Answers
    0
    Post Thanks / Like
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    Vehicle InfoStats





    Default

    Noise appears to have gone! :-)

Page 1 of 2 12 LastLast

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. HELP! whining from the front
    By Ann in forum Suspension, Wheels & Brakes
    Replies: 7
    Last Post: 17th February 2013, 16:32
  2. whining egr
    By donut in forum Vectra C / Signum Troubleshooting
    Replies: 2
    Last Post: 14th January 2011, 11:56
  3. whining egr valve
    By donut in forum Vectra C / Signum Car Chat
    Replies: 7
    Last Post: 13th January 2011, 20:29
  4. whining noise (HELP)!!!!
    By wilsons 1.8sxi in forum Engine & Drivetrain
    Replies: 4
    Last Post: 20th March 2009, 09:03
  5. Whining Noise
    By old cruiser in forum Vectra C / Signum Car Chat
    Replies: 2
    Last Post: 11th August 2008, 09:08

Visitors found this page by searching for:

Nobody landed on this page from a search engine, yet!

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •