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[terry paget]

Thank you gentlemen. I am surprised at the method of sealing used; the pic in reply #3 shows the pipes in the matrix, and the clips in reply#33 close around them with a washer between them. I received new washers and clips with my new matrix, cost me £32. The Vx kit costs £250; I suspect it is no simpler to install.
I shall persevere.

At least you now know why it was only £32...

Try this...

https://www.ebay.co.uk/itm/VAUXHALL-VECTRA-C-SIGNUM-HEATER-MATRIX-SEALS-02-08-HEATER-CORE/153273799705?fits=Car+Make%3AVauxhall%7CModel%3AVectra&hash=item23afd49419:g:lzwAAOSwLSZb993n 

Thanks Doc. Looks worth buying just for the washers.

[terry paget]

I bought that used matrix, Doc, just for the washers. It should have arrived last Wednesday  but has not arrived yet. Meanwhile the Vectra, MOT expiring on October 14th, sits dead in my garage, dry of coolant. Fitting the matrix must be straightforward, a job done on the assembly line, but I cannot do it. Sounds like DG and Nick have done it, is there a trick? Haynes is no help. Please advise.

[Nick W]

What can we tell you that we haven't already? It's a tight fit, that needs some effort to get in place. It's a damn sight easier than getting the oil cooler lines on a Yak 18 back through the wing roots and under the floor. Which took me all afternoon, and I couldn't feel my fingers when I'd finished.

[terry paget]

What can we tell you that we haven't already? It's a tight fit, that needs some effort to get in place. It's a damn sight easier than getting the oil cooler lines on a Yak 18 back through the wing roots and under the floor. Which took me all afternoon, and I couldn't feel my fingers when I'd finished.

Thanks, Nick. It doesn't help that Vx don't sell the washers separate from the matrix. I have assembled it a couple of times, only to find coolant leaks later. I expected to find hoses stuffed on pipes and sealed with jubilee clips. 

[Doctor Gollum]

Not even the Omega uses that arrangement...

[TheBoy]

I expected to find hoses stuffed on pipes and sealed with jubilee clips.

No manufacturer would ever do that now, as they dont want to deal with the associated warranty claims.