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  1. firefly08

    firefly08 Member

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    Hi,

    I am planning on replacing the timing belt and water pump on my astra G X14XE.

    The Haynes manual says that to remove the water pump, you need to remove the rear timing belt cover, and to remove that, you need to remove the cam sprockets, crankshaft sprocket, camshaft cover etc.

    Is all that really necessary just to replace the pump? Is there a way to do it without removing the rear timing belt cover?

    Thanks!
     
  2. Ruperts Trooper

    Ruperts Trooper Geriatric petrol-head

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    Location:
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    I think you misunderstood the Haynes manual.

    On our X16XEL it was necessary to remove the crankshaft pulley and rear timing belt cover - camshaft sprockets and crankshaft sprocket were left in place. The X14XE is similar.
     
  3. firefly08

    firefly08 Member

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    Well, I have to front cover off now, and it looks like I can get the pump out - but it does actually say in the Haynes manual that you need to remove the rear cambelt cover - and that requires removing the cam sprockets,

    It seems there's occasionally some steps in the Haynes manual you can safely leave out - I suppose this is another one of them! Thanks
     
  4. Ruperts Trooper

    Ruperts Trooper Geriatric petrol-head

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    It doesn't say that in my Haynes - make sure you're reading it properly. I simply followed Haynes, to the letter, and everything was fine - without omitting any steps.
     
  5. firefly08

    firefly08 Member

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    Maybe there are different engines with that code or something? Mine's a '00 Astra G. The Haynes manual is number 3758. Chapter 3 section 8 "Coolant pump - removal and refitting", part 3 says:

    "Remove the timing belt, tensioner and timing belt rear cover as described in section 2B"

    ...if you look up 2B...

    Chaper 2B section 6 - "Timing belt covers - removal and refitting" - in the "Rear Cover" section parts 13 and 14 tell you to remove the camshaft cover (described in section 4) and "remove the camshaft sprockets, crankshaft sprocket...as descrbed in section 8".
     
  6. Ruperts Trooper

    Ruperts Trooper Geriatric petrol-head

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    OK, I see what Haynes 3758 says - I didn't follow that bit - having removed the crankshaft pulley, upper and lower covers, tensioner and cambelt I was able to remove/replace the water pump without disturbing the camshaft sprockets.
     
  7. greasemonkey

    greasemonkey VXon Frontera Monkey VxON Club Member

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    Location:
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    Drives:
    Frontera
    Hi no need to remove the rear cover - in fact the pump fits into a recess in the rear cover to make sure the waterpump is in the right place for the cambelt
    cheers
    Steve
     
  8. smokydee

    smokydee New Member

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    I have a 2ltr dti (2000) model deisel and have been told i need to replace my water pump,i was quoted £100 for one, is this a fair price? and do i also have to remove timing belt covers etc, or is it just straight forward off with the old on with the new,im a bit off a novice and would like to do it myself and not get ripped off.
     
  9. Bogbrush

    Bogbrush AstraG, AstraH, Astra conv.turbo, Corsa D, XKR

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    Location:
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    Drives:
    wife to drink.
    Just to complete the thread: you do not need to remove rear belt cover and to do so is a pig of a job as you would have to remove camshaft sprockets as well as the steel engine mounting bracket.
    The latest water pump is GM part number 93182038. Forget lining up marks as per the manual, it will only fit one way. On the outer flange is a deep semicircular slot (about 10mm wide by 4mm deep). This engages with the fitting screw and stops the pump turning in its housing (which could possibly throw the timing belt). The relevant screw is the top right of the three - about 2 o'clock. You cannot fit the pump any other way - try it and see.
    Same information applies to Z16XE engine.
     
  10. firefly08

    firefly08 Member

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    Haha thanks for the reply...what a blast from the past! It seems like a long time ago when I did that belt/pump job. I did indeed replace the pump without removing the rear timing cover. It all went well anyway, but sadly the car ended up being scrapped years later after I gave it to someone else.
     

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