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  1. #1
    piperguy
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    Yes | No

    540i Water Pump advice

    Car is 2001 540i, M62TU engine build 5/01. Changing water pump and I'm now down to the pump itself. Had to quit for the night because even with everything I have in my box, I couldn't come up with a 10mm swivel socket that could get the bolt behind the crank pulley. Oh well, that's why God invented the friendly Mac tool man !!

    My question ...... what is the best way to keep those pipes from pulling out with the pump?? Also my engine has a solid pipe running across the front of it right infront of the water pump. It looks like it would take quite a bit of work to remove the pipe (I'm not even sure what it is, is not a cooling pipe). I think there may be enough room to snake the pump out but not sure. I know car engineers are sadistic, but these guys are the cream of the crop ...

    Any tips/tricks/suggestions welcomed !! Last thing I want to do is hear the pipes drop loose !!

    Thanks in advance, Vaughan


  2. #2
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    Both are easy to get off (m)

    Use a box wrench or even better a Gear Wrench to get the bolt behind the harmonic balance out. Go in from the pass side.
    You can't remove the water pump until you take the air tube off, it blows air from the secondary air pump into the exhaust. Get a mirror and light and you will see the 10mm bolt holding it to each head.
    Don't worry about the coolant pipes coming loose, that are easily re-installed. Clean the ends and put some lubricant on them, then align them with the hols they fit in. Spin them while you push them into place.


  3. #3
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    Why not just remove the crankshaft pulley? >>

    makes the job much easier.
    Ed in San Jose. BMW CCA member since 1987 (Nr. 62319). Golden Gate Chapter. '97 540i 6 speed. Build Date 3/97. Aspensilber over Aubergine leather.

  4. #4
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    Much easier & quicker 2 take the 1 bolt off behind






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  5. #5
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    Been a long time, but it seemed that the pump>>

    would not come out w/o removing the pulley.
    Ed in San Jose. BMW CCA member since 1987 (Nr. 62319). Golden Gate Chapter. '97 540i 6 speed. Build Date 3/97. Aspensilber over Aubergine leather.

  6. #6
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    I guess you could take it out that way. Does your(

    97 have a crossover pipe between the two heads? I always leave the crank pulley on and remove the lower bolt going in from the pass side with a GearWrench after I remove the air tube.


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    No, no air pump.>>

    Now I can't remember why I took the pulley off! I thought it was to replace the water pump.
    Ed in San Jose. BMW CCA member since 1987 (Nr. 62319). Golden Gate Chapter. '97 540i 6 speed. Build Date 3/97. Aspensilber over Aubergine leather.

  8. #8
    Panos
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    lower timing cover? upper oil pan? >>

    removing one of those are the only reasons I can think of for removing the crank pulley.

  9. #9
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    Yes | No

    +1



    Andreas
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    87 325 (project for life)
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