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Thread: coolant bleeding m60 engine

  1. #1
    Join Date
    Dec 2007
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    Default coolant bleeding m60 engine

    How do you bleed the coolant system on a m60 v8 engine?
    Where is the bleed screw? Is there one.
    Also I have taken the viscous fan off as I think it has siezed. car runs great, picks up quicker and acording to the temp gauge it isnt overheating
    AUX fans are inop
    1993 530i touring
    1989 90 van
    1999 focus estate

  2. #2
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    There is no bleeding screw on the M60. The coolant expansion tank is at the high point. Air comes to the top. It is self bleeding.
    '01 540it, 6/01
    '03 325i 5 speed, 9/02
    '10 535ix. 9/09
    '10 mini 6 speed
    '15 mini countryman 6 speed

  3. #3
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    Default

    You took off the fan that sits on the water pump? Wait till you get into some heavy traffic, you will overheat.

  4. #4
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    Default

    pick up a new clutch and fan. When it doesnt need cooling the fan takes like .1 hp when locked however takes about 5hp. just an example, no clue how much it takes when locked but you can definitely tell it takes some power away.
    Quote Originally Posted by lvdxd00 View Post
    How do you bleed the coolant system on a m60 v8 engine?
    Where is the bleed screw? Is there one.
    Also I have taken the viscous fan off as I think it has siezed. car runs great, picks up quicker and acording to the temp gauge it isnt overheating
    AUX fans are inop
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  5. #5
    Join Date
    Jan 2004
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    4,150

    Default You say the aux fans are inoperative? and you

    removed the belt driven cooling fan also? You must like driving that Focus around, since that may become your dailydriver soon.


  6. #6
    Join Date
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    England
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    Default Electric cooling fan

    I have taken off the viscous cooling fan now and fitted an 15" electric puller fan, I am using the aux fans wiring and relays.
    Seems to work ok.
    Sorry for the late reply but had problems posting
    1993 530i touring
    1989 90 van
    1999 focus estate

  7. #7
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    Default

    Quote Originally Posted by lvdxd00 View Post
    I have taken off the viscous cooling fan now and fitted an 15" electric puller fan, I am using the aux fans wiring and relays.
    Seems to work ok.
    Sorry for the late reply but had problems posting
    If you're having trouble bleeding up an M60 engine, it's amost always the top bleeder line that's blocked somewhere.

    On the left/top side of the radiator there's a tiny hose that runs upto the top expansion bottle. Remove this at the radiator, remove the expansion cap off the expansion bottle and blow down the hose. You should be able to move a fair bit of air down the hose, if you can't it's blocked somewhere and you've found out why it wont bleed up

    Another thing to do is add as much coolant as you can and start the engine, let it run upto temp adding more coolant as it drops. This usually gets around a blocked breather line.

  8. #8
    Join Date
    Jan 2004
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    Tampa Bay, Florida, USA
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    Default

    Pull the coolant cap and check where the bleeder line runs into the filler neck. It can clog. You can open it up with a 3/8 drill bit and a hand drill
    Ramon
    1994 540iA Nikasil EAT Chip
    Tampa Bay, Florida USA

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