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[dbug]

Believe QH ones still obtainable - around £35 - try motor factors Jaime

[05omegav6]

...
I replaced mine at 160k and will change it again at 320k

OEM or pattern? 

Genuine VX

[TheBoy]

Put a QH one on the 2.5 and all good so far even though it had a plastic impeller 

Since they went bust, and are just now a trading name of someone else, the quality of some of their components have taken a nosedive.  Whats the waterpump like?

[TheBoy]

V6 is preventative

but unnecessary 

It probably is.  I didn't change this one last year (which was the 2nd cambelt since changing) thinking it should be OK, but obviously its failed now.

Obviously not every one will fail, but it seems they are rare to fail before 80k, and far more likely after. Understandably I guess.

I'm sure some will last the life of the car. I'm sure some cambelts and tensioners would as well, but the more you use them, the more likely they will fail.


Difficult one to recommend.

[Marks DTM Calib]

I seem to recall that euro crap parts sell the KWP water pumps which are good with metal impellers.

Its long been a suspicion of mine that they are one of the OE suppliers to Vx for these parts.

http://www.eurocarparts.com/ecp/c/Vauxhall_Vectra_3.2_2007/p/car-parts/car-cooling-parts-and-car-heating/cooling/water-pump-gasket/?201880045&1&bc146f3ead2455566bebcfa86a35c76eeb189239&000366

[Webby the Bear]

If it's of any interest relating to pattern parts from ECP....

I purchased a new stat with housing and seal. It had the GM ground off and the part numbers matched the removed OE one.

The make was Wahler.

[YZ250]

Get the SKF aux kit 

That's the route I'm taking. 
Mine is due a cambelt so I'll get the kit with the water pump in if I can.

I thought you only needed to change the water pump, when you do the belt, on a 4 pot.......

Correct, but as Al said, preventative. Mine's at 79K and I do less than 4K a year in that car so I figure that I may as well change the pump when I do the belt.  I certainly didn't bother when I did the first belt at 40K. 
The decision to change it now may backfire on me but that's an unknown at the moment. 

I seem to recall that euro crap parts sell the KWP water pumps which are good with metal impellers.

Its long been a suspicion of mine that they are one of the OE suppliers to Vx for these parts.

http://www.eurocarparts.com/ecp/c/Vauxhall_Vectra_3.2_2007/p/car-parts/car-cooling-parts-and-car-heating/cooling/water-pump-gasket/?201880045&1&bc146f3ead2455566bebcfa86a35c76eeb189239&000366

Interesting. 


 

[sjr47]

Fitted a Febi Bilstein  one to mine about 2 yrs back with belt change still going strong done about 15K now think it came from Vauxworld   

[steve6367]

V6 is preventative

but unnecessary 

When I popped the belt off mine it was wobbling around all over the place  - I did manage to do it with the Cambelt cover in place though (carefully!) 

[TheBoy]

Is it fair to say its best to remove cambelt, rather than soak it in GM's finest coolant?

[steve6367]

Put a QH one on the 2.5 and all good so far even though it had a plastic impeller 

Since they went bust, and are just now a trading name of someone else, the quality of some of their components have taken a nosedive.  Whats the waterpump like?

It seemed good to be honest - only reservation was the plastic impella, but looking around I notice a lot of water pump seem to have gone that way. Its certainly working well at this time and for the price and given its a quick easy change I'm happy.

I'll dig out some pictures.

[steve6367]

Is it fair to say its best to remove cambelt, rather than soak it in GM's finest coolant?

The pump had sprung a signifgant leak at the time so was too late for that - advise here seemed to be rinse well with clean water and move on. So far, so good although if the belt snaps I'll regret it clearly!

[Grrrrrr]

V6 is preventative

but unnecessary 

It probably is.  I didn't change this one last year (which was the 2nd cambelt since changing) thinking it should be OK, but obviously its failed now.

Obviously not every one will fail, but it seems they are rare to fail before 80k, and far more likely after. Understandably I guess.

I'm sure some will last the life of the car. I'm sure some cambelts and tensioners would as well, but the more you use them, the more likely they will fail.


Difficult one to recommend.

Did mine with the full cam-belt kit at 80k. From memory it wasn't much more in price so figured better safe than sorry. Mind you,  I do the cam-belt every 40k together with tensioners so I may be a little over cautious.

[Diamond Black Geezer]

Just found this.... not sure if it's genuine or not...it seems genuine, and too good to be true!!

http://www.genuinepartsearch.co.uk/vehicle-parts-special-offer.aspx?offerid=885f7c1b-8cd5-40f3-9777-b475a17e01d1

[jb]

Jamie, no need to remove the cambelt,coolant will not do it any harm.