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Thread: ZD30 CRD Belt tensioner pulley.

  1. #1
    Patrol Freak
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    ZD30 CRD Belt tensioner pulley.

    What's the thinking with these pulleys?

    Do you replace the entire unit, pulley & mount or just the pulley?

    Do you use genuine or after market?
    ..

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    I am he, fear me the evil twin's Avatar
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    IMHO... replace the assy (pulley and tensioner)

    I used genuine so don't know if the aftermarket are any good or not.
    Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.

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    There's a H U G E difference in price between genuine & aftermarket.

    The price for genuine makes lithium batteries look reasonably priced.
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    Missing in Action VK2FMIA's Avatar
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    Quote Originally Posted by 10G View Post
    Do you replace the entire unit, pulley & mount or just the pulley?
    Do you need to replace the pulley or is it just the bearing gone. A new bearing is around $20 to buy. The number is (NTN) 87503. Press the old one out with a vice & large socket & press the new one in.

    The bearing should measure 40 x 14 mm & have a 17 mm centre.
    Last edited by VK2FMIA; 3rd March 2020 at 11:36 AM. Reason: extra info
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    10G (3rd March 2020), pollenface (19th April 2021), trev zd30 (4th March 2020)

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    I find its the bushes in the little spring tensioner that goes in them. as above replace the bearing is easy and cheap.

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    10G (3rd March 2020)

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    Thanks guys I'll look into it all.
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    The master farter
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    The bushes flog out and the shockie thingo loses its tension. The genuine bearing in those are double row and a stupid width too, you can't buy the exact same bearing. The aftermarket tensioners use a single row bearing, they work but wont last. Been down this road many times before. The best thing is to buy an OEM tensioner, and an aftermarket as a spare and keep this under the passenger seat.

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    mudski is spot on use genuine and only after market for a short time. alot of things on the patrol love to be only genuine such as tentioner, belt, fuel filter. ive tried non gen and always end up back to genuine poor man pays twice
    better to just buy genuine and you will only cry once.

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    Quote Originally Posted by mudski View Post
    The bushes flog out and the shockie thingo loses its tension. The genuine bearing in those are double row and a stupid width too, you can't buy the exact same bearing. The aftermarket tensioners use a single row bearing, they work but wont last. Been down this road many times before. The best thing is to buy an OEM tensioner, and an aftermarket as a spare and keep this under the passenger seat.
    This fits in with what I'm thinking. It's an annoying small unsophisticated part, but it's job is pretty darn important.
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    The master farter
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    Yeah when I had my Grenade I always had a spare MAF, belt and tensioner under the passenger seat.

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