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Thread: Viscous Fan Clutch Replacement

  1. #361
    .036 Hoonigan™
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    Re: Viscous Fan Clutch Replacement

    Quote Originally Posted by jhodg5ck View Post
    oh yea.....Looooong gone.

  2. #362
    E500E Guru Melville's Avatar
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    Re: Viscous Fan Clutch Replacement

    Is there a consensus about the rate of properly calibrated Sachs/Horton units? Is it still common for new units to be defective out of the box?

  3. #363
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    Re: Viscous Fan Clutch Replacement

    Quote Originally Posted by Melville View Post
    Is there a consensus about the rate of properly calibrated Sachs/Horton units? Is it still common for new units to be defective out of the box?
    AFAIK - yes, it is still common for them to be mis-calibrated out of the box.


  4. #364
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    Re: Viscous Fan Clutch Replacement

    I have a new in box factory clutch, that I have not installed on my car. I intend to soon. I will let folks know how it is better than the unit that I have from a 50K mile 1992 500E that I installed in my car a couple of years back. It was a modest improvement over the original clutch that I had on my E500.

    I did install new clutches on my G320 (M104) and 560SEC (M117) over the past few years. The M104 unit was a factory clutch, and the M117 unit was OEM (Behr). Both worked perfectly out of the box, and cured cooling problems, but they are not the same as the M119 units....

    Cheers,
    Gerry

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  6. #365
    E500E Guru Melville's Avatar
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    Re: Viscous Fan Clutch Replacement

    I had a new Horton clutch installed about a month ago but haven't had a chance to test it. Today I had 8899 with me and, with him revving the car, I could definitely tell it was engaging and disengaging, and it was pushing a lot of air when engaged.

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  8. #366
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    Re: Viscous Fan Clutch Replacement

    Hi,

    I'm gonna need your help again. I finally found the time to do the job but I can't make the pulley holder tool you recommended work. It's imposible to put it in the water pump pulley and if you put it on any other, it holds the belt but the pulley slips around it. Any tips?
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    Esteban

    1971 Seat 600E, 1981 Mercedes 300TD, 1984 Mercedes 300D, 1992 Mercedes 500E, 1995 Range Rover 4.6 HSE, 2005 Audi A4 2.5TDI Avant, 2007 Triumph Bonneville

  9. #367
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    Re: Viscous Fan Clutch Replacement

    What I use is a rag & G clamp. Wrap the rag around the pulley first then tighten a G clamp into it's edge. Then let the clamp rest against another pulley or bracket etc. (serpentine belt still in place if you need to clamp another pulley for space reasons) This always works for me and I think it has less risk of bending a pulley. Or a rubber strap wrench might have the same effect
    1987 w124 200 E36 AMG Project car - ongoing 1990 w124 300E-24 Fully Restored
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  10. #368
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    Re: Viscous Fan Clutch Replacement

    Thanks, JC220! That makes sense, I'll try that.
    Esteban

    1971 Seat 600E, 1981 Mercedes 300TD, 1984 Mercedes 300D, 1992 Mercedes 500E, 1995 Range Rover 4.6 HSE, 2005 Audi A4 2.5TDI Avant, 2007 Triumph Bonneville

  11. #369
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    Re: Viscous Fan Clutch Replacement

    I thought the new Horton made clutches were more consistent than the Sachs production runs.

  12. #370
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    Re: Viscous Fan Clutch Replacement

    Guys is there any alternative to the meyle or graf water pumps? I have read bad things about both...

    Also is ACM the best fan clutch aside from the dealer's one?

    Thanks

  13. #371
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    Re: Viscous Fan Clutch Replacement

    I used a graf on my C126 replacement and it was a perfect fit and no issues for almost 6 years. I think its ACM or dealer...
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  14. #372
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    Re: Viscous Fan Clutch Replacement

    ACM is china. I like Dealer/OE water pumps in an ideal world. Graf is next, but we have had a few give us problems. Typically the problems are VERY quick to manifest, but doing the job 2X kinda sucks.


    OE Mercedes only on the fan clutch....tried ALL the aftermarket solutions here in the states, sent them all back at this point.

    jono
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  16. #373
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    Re: Viscous Fan Clutch Replacement

    Quote Originally Posted by samm View Post
    Guys is there any alternative to the meyle or graf water pumps? I have read bad things about both...

    Also is ACM the best fan clutch aside from the dealer's one?

    Thanks
    I fitted a Hepu brand pump in my 500E. Pictures and fitment details are from page 10 in my owner's thread. It was a good price and high quality - made in Germany item. (Be aware the part numbers in my thread are for the upgrade m119 pump - although I'm not really convinced it was an upgrade at all!)

    The factory fan clutch is ridiculously priced. I fitted a new Beru boxed ACM clutch and it's been very good too.
    1987 w124 200 E36 AMG Project car - ongoing 1990 w124 300E-24 Fully Restored
    1992 w124 500E Rolling Restoration - ongoing 1994 C124 E320 - Recently acquired resto project
    2007 w211 E220CDI Avantgarde Daily Driver
    Parted out myself- 95 C36 AMG / 95 E250D / 98 w124 India E220

  17. #374
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    Re: Viscous Fan Clutch Replacement

    Quote Originally Posted by samm View Post
    Guys is there any alternative to the meyle or graf water pumps? I have read bad things about both...

    Also is ACM the best fan clutch aside from the dealer's one?
    I'd spring for the OE/dealer rebuilt water pump. I'm suspicious of the $70 price on the Graf, and I don't trust the Meyle (at $100) any further than I could throw it. If I had to gamble I'd rather try Graf. ECS has a Geba unit which I'm not familiar with. The dealer pump is only $210 plus core charge from Naperville, free shipping:
    https://www.mboemparts.com/oem-parts...-119200150180/

    If you can still find an ACM clutch, that is the low-cost fix for the fan. I'm only seeing ACM at ECStuning and FCP, and the photos look different than the ACM I bought years ago:
    https://www.ecstuning.com/b-acm-part...192000122~acm/
    https://www.fcpeuro.com/products/mer...500-1192000122



  18. #375
    E500E Guru 500ESpain's Avatar
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    Re: Viscous Fan Clutch Replacement

    For information, I installed a Febi clutch. Car now only reaches 100C on city driving. It required the shorter bolt. The Sachs unit was brand new but defective. It says Horton on the back.
    Esteban

    1971 Seat 600E, 1981 Mercedes 300TD, 1984 Mercedes 300D, 1992 Mercedes 500E, 1995 Range Rover 4.6 HSE, 2005 Audi A4 2.5TDI Avant, 2007 Triumph Bonneville

  19. #376
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    Re: Viscous Fan Clutch Replacement

    Febi is a reboxer- did it have a company name on the clutch?

  20. #377
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    Re: Viscous Fan Clutch Replacement

    Quote Originally Posted by samiam44 View Post
    Febi is a reboxer- did it have a company name on the clutch?
    Didn't see any. It's thinner than the Sachs for sure. Kind of ACM looking.
    Esteban

    1971 Seat 600E, 1981 Mercedes 300TD, 1984 Mercedes 300D, 1992 Mercedes 500E, 1995 Range Rover 4.6 HSE, 2005 Audi A4 2.5TDI Avant, 2007 Triumph Bonneville

  21. #378
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    Re: Viscous Fan Clutch Replacement

    Quote Originally Posted by 500ESpain View Post
    Didn't see any. It's thinner than the Sachs for sure. Kind of ACM looking.
    The only ones thick like OE are the OE/OEM, Sachs or Horton.

    All the thinner ones which require the shorter bolt are aftermarket (ACM, Vemo, or various no-name Chinese clones).

    You may want to go back to post #20 at the beginning of this thread, and check out the photos...


  22. #379
    E500E Guru 500ESpain's Avatar
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    Re: Viscous Fan Clutch Replacement

    Quote Originally Posted by gsxr View Post
    The only ones thick like OE are the OE/OEM, Sachs or Horton.

    All the thinner ones which require the shorter bolt are aftermarket (ACM, Vemo, or various no-name Chinese clones).

    You may want to go back to post #20 at the beginning of this thread, and check out the photos...

    I've seen that. That's why I went for the Sachs in the first place but it never worked and got me scratching my head for months and spending more money in other parts. It's a gamble, I know.
    Esteban

    1971 Seat 600E, 1981 Mercedes 300TD, 1984 Mercedes 300D, 1992 Mercedes 500E, 1995 Range Rover 4.6 HSE, 2005 Audi A4 2.5TDI Avant, 2007 Triumph Bonneville

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