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  1. #31
    Join Date
    Oct 2017
    Location
    Lancaster, PA
    Posts
    56

    Default

    OK, the alternator with the OAP pulley will goes bad some time, the OAP pulley help engine run smoother; But I never heard this thing before and I don't feel any vibration from alternator on all other cars; So, what's happen if I (or can I) replace my XC70 OAP alternator with non OAP alternator?
    Last edited by Thang Vora; 11-27-2017 at 07:47 PM. Reason: add words

  2. #32
    Join Date
    Feb 2010
    Location
    Virginia Beach
    Posts
    4,086

    Default

    I had the pulley on the T5 welded solid when it started slipping. The cost of that work was inlcuded in a complete rebuild, totaling $105. Cash.

    There was no difference in engine smoothness, noise, or MPG.

    None.
    Current Fleet:
    2016 Tundra Crewmax 4WD 1794
    2005 MB S600 (114K, Michelin AS3+, LiquiMoly 0W40)
    2005 MB SL600 (50K, Michelin AS4, Mobil 1 0W40)
    2004 V70R (six speed M66, Mobil 1 5W30)
    2002 V70-XC (275K, HPL Euro 0W30)
    2002 V70-T5 (216K, IPD bars, Bilsteins)
    2001 V70-T5 (120K, IPD downpipe, cat back and other mods)
    1932 Packard Sedan (straight 8, dual sidemounts, original paint and interior, Shell Rotella 15W40)

  3. #33
    Join Date
    Dec 2010
    Location
    Cumbria, UK. Maine USA.
    Posts
    513

    Default

    Changed the OAP pulley on my XC after removing Alternator from the car, needed this socket, https://www.ebay.com/itm/Baum-Tools-...gAAOSwl9RZ9sx~ and a set of XZN sockets, I also replaced the brush pack while I was there, the OAP was chirping but not frozen, installed new belt and new tensioner pulley, tensioner pulley felt a little dry, I popped the seal on the old one and inject new grease in it, replaced the seal, I guess I could have reused the tensioner pulley it actually felt as smooth as the new one,
    Last edited by AKAMick; 11-28-2017 at 09:13 PM.

  4. #34

    Default

    First things I had to do was to move the coolant and power steering tanks out of the way by placing them on top of the engine, then removing the serpentine belt. I also removed the power steering hose retainer on top of the PS pump as it gets in the way on messing with the serpentine belt and threatens to slice your hand or wrist given the chance.

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