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Thread: Water Pump????

  1. #1
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    Default Water Pump????

    I have a 56 plate 1.9 cdti 150 Signum, yesterday it started squeeking and then the car over heated the gauge went right over towards the red and coolant temp light started to flash.
    I stopped the car lifted the bonnet and it had a distinct smell of burning rubber from the left hand side of the engine bay (as you look at it) I also noticed some coolant in the under tray on the left hand side.
    I'm assuming the water pump has seized, my question is what drives the water pump the auxillary belt or the cam belt as i'm assuming it will need a new one of these now also?
    I'm gonna run it in the garage tomorrow for diagnosis and repair would you risk driving it there its about half a mile or get it towed in?
    How will i know if it overheating has done any more damage to the engine?
    I am finding this car to be very problematic and it keeps hurting my wallet big style only a few weeks ago it needed an alternator repair amongst other things previous to that!!
    Thanks for any thoughts or advice.
    Cheers.
    Ste.

  2. #2
    Full Member merikiito's Avatar
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    Vehicle : Insignia CDTi SRi NAV 160

    Trim : SRi

    Engine : A20DTH

    Year : 2009

    Mileage : 88000

    Default

    Do not drive the car or start it up again!. Get it towed to the garage. The water pump is driven by the cambelt and if that goes you may well end up needing a new engine. Take the cambelt cover off and see if the teeth are still on the belt, if so then the water pump has not seized but gained a leak/bearing failure but is still turning. Hopefully a new belt and water pump should be enough. What mileage has your car done and has the cambelt been changed before?
    Lois Griffin: Peter! You're bribing your daughter with a car?
    Peter Griffin: Ah, c'mon, Lois, isn't 'bribe' just another word for 'love'?

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    Default

    Thanks for your reply and info, no car hasn't had a new cam belt before mileage is just over 50k.

  4. #4
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    Vehicle : z

    Trim : z

    Engine : z

    Year : z

    Default

    The burning rubber smell will be the cam belt. If the water pump has seized and the cam belt has continued to run around the seized pump, you are very lucky that the timing belt didn't snap. (seen it happen that way before on a mate's CDTi).

    Don't even attempt to start the car

  5. #5
    Regular Member the-wizard's Avatar
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    Vehicle : vectra-c

    Trim : sri

    Engine : cdti

    Year : 2004

    Mileage : 98,000

    Default

    As above, what happens is when the pump gets hot the bearings seize & the pump slows or stalls, the problem being the pump runs on the 'back' (flat side) of the cam belt & rubs on the seized pump, you don't really want to run it as it sounds like the belt is already being rubbed/burnt.

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    Default

    Yeah as said... very lucky the cam belt hasn't let go

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    Default

    Thanks for your replies and information chaps, I removed the cam belt cover to find the belt blistered and on its last legs. Had it towed into garage this morning for new pump and cam belt set.
    The yellow spanner light has been coming on intermitentley for a while so whilst I was there anyway I asked him to plug it in and find out what the problem was he said its usually the linkage on the inlet manifold, sure enough when we looked it had come off!! Just priced one up at Vauxhalls £232+ vat, OUCH not sure how long its been running without it but its gonna have to wait at that price.
    Does anyone know how critical this part is not noticed a down turn in performance but the wife does use the car more than me??
    Cheers again for help.
    Ste.

  8. #8
    Regular Member the-wizard's Avatar
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    Vehicle : vectra-c

    Trim : sri

    Engine : cdti

    Year : 2004

    Mileage : 98,000

    Default

    Look at the 'how 2' for the swirl bar £1 fix, if done with care it can last for a long time, Regarding the power, try the egr & boost sensor clean as per the how 2 section also.

  9. #9
    Regular Member neill's Avatar
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    Vehicle : Vectra C

    Trim : SRI

    Engine : Z19DTH

    Year : 2004

    Mileage : 172000

    Default

    lucky the belt hasnt snapped, as for the inlet ive heard people running there car like that for ages, but it will loose power and economy will suffer, if you are getting it done get it done with the cambelt as it requires the pump to be removed to replace, and unless you bolt the pump pulley you have to remove the cam belt to do it. The inlets can be bought of ebay for about £160

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    Regular Member gazturbo's Avatar
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    Default

    Hi sorry to high jack your thread, my water pump seized when driving home tonite. striped it down and found the belt was bout half the thickness it should be, 1 major problem ive got is the car stopped/cutout when i smelt the burning rubber. Not sure if ive done any internal damage??????

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