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Thread: Tensioner rattle- crank pulley?

  1. 19th October 2017, 07:30 PM #1
    JR1
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    Tensioner rattle- crank pulley?

    Hi all,
    The belt tensioner on my 99 D2 td5 is making quite the rattle. The rattle is largely there when the engine is cold. Once it comes to temperature the rattle pretty much stops. It has been getting progressively louder/ more noticeable in the past few months.
    It stops when the AC is turned off.
    There is also a tiny fan belt squeak on shutdown.
    I have replaced the AC bearing (was a bit noisy), the belt tensioner 18month ago and the fan bearing also. The other pulleys all feel pretty firm/no wobble or noise.
    Looking at the belt tensioner, there is quite a bit of movement in the arm when the engine is cold (ie: it’s taking up tension then relaxing).
    Before I splurge on a crank shaft pulley and oil seal etc I thought would enlist the help of those more knowledgeable ? So, anyone else agree/disagree with crank pulley?
    Thanks in advance
    (Sorry I have been posting so often recently- have been trying to knock over some maintenance) Tensioner rattle- crank pulley?
    .............
    Cheers, Josh
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  2. 20th October 2017, 06:29 AM #2
    discorevy
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    Try a new serpentine belt first , but have a check of the harmonic balancer and other pulleys including a/c .
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  3. 20th October 2017, 07:32 AM #3
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    Lemo
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    When you replaced the tensioner was it a quality part OEM, original or aftermarket? If you remove the belt will the tensioner spring freely and have good spring tension?
    I'm with discorevy change the belt first.
    Squeak could be the HB on the way out again as discorevy had suggested give it a check.
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  4. 20th October 2017, 08:11 AM #4
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    Jason789
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    Try the bearing that the fan bolts onto(behind the pulley). I had the same problem. There is a how to post somewhere on th forum.
    Cheers,
    Jason
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  5. 20th October 2017, 10:00 AM #5
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    Bohica
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    Tiny squeak on shutdown.

    My tiny squeak on shut down, more of a chir-chirp, ended up being a very old belt. I changed the belt and the squeak went.
    D2a Td5 Manual, Chawton White. aka "Daisy"
    Build date 11th Oct 2003
    Freelander 2 2011, manual, the daughter calls it Perri
    Before I had a Land Rover I did not have any torque wrenches. Now I have three.
    LROCV #1410
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  6. 20th October 2017, 11:47 AM #6
    JR1
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    Belt was changed out when the tensioner was done, but I have a spare. Will throw it on tomorrow.
    The tensioner was a OEM from the UK. It has good tension/ springs back.
    Jason, are you referring to the bearing in the timing cover? If so, have just sorted that out.
    To check to HB, would I undo the 3 bolts on the front and give it a good wiggle to check for movement? As always, appreciate the help.
    .............
    Cheers, Josh
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  7. 13th November 2017, 10:16 AM #7
    JR1
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    Update.
    Finally got around to changing the belt. Put an old one on that had been covered in coolant and was squealing. Gave it a clean and the rattle has stopped. Noticed it has a different part number -7pk1809. The new one I bought was 7pk1800. So that would probably account for the tension changes.
    But I now have the dreaded crank pulley rattle at shut down! Haha.
    Thanks for suggestions everyone.
    .............
    Cheers, Josh
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  8. 13th November 2017, 04:50 PM #8
    Pedro_The_Swift's Avatar
    Pedro_The_Swift
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    well its 9mm difference in length,,
    the tensioner is way up where its never been before,

    1809? man thats one short belt,,,
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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  9. 13th November 2017, 08:36 PM #9
    discorevy
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    well , its a slim engine and when it hasn't had a big lunch its standard belt (without ace , with a/c is 7pk 1801
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  10. 14th November 2017, 05:51 AM #10
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    Pedro_The_Swift
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    in that case mine looks like its had several Christmas dinners,, 2703!!
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
    '97 to '07. sold.
    '01 V8 D2
    '06 to 10. written off.
    '03 4.6 V8 HSE D2a with Tornado ECM
    '10 to '21
    '16.5 RRS SDV8
    '21 to Infinity and Beyond!

    1988 Isuzu Bus. V10 15L NA Diesel
    Home is where you park it..

    [IMG][/IMG]
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