water oil pump separation

[Chimp871]

And they're off..... Heat, plus gas, wait 12 hrs and press off.

Edited by Chimp871 on Wednesday 10th July 20:36

[ukkid35]

Chimp871 said:

Have you been able to reuse the original PS pump coupling?

It looks as if the PS keyway is 4mm in this photo, it looks much larger than the 3mm Oil Pump keyway next to it (although that could be wear due to damage)

That would be odd since your car is a '97 and I believe the uprated shaft was not introduced until '99

[Chimp871]

Hi Paul

The PAS keyway is 4mm and the coupler which is new just slid on, but I had already filed the key slightly.

The coupler is 4mm too, so it's meant 5o be tight fit. But like I said I had filed the width but not for issues in fitting.

My engine (96) has a later style shaft and a large journal crank but no receipts/paperwork to show a rebuild but it must have had at some point. Lucky though.

[ukkid35]

Has anyone had to replace the pump impellers?

At £450 for a pair it's something I'd like to avoid

[CerbWill]

Water pump impellers? I've only heard of them being replaced if they crack when pressed off the shaft. If they do crack you could consider a CWA400 and tinyCWA contro9but you're probably about the 450 mark by the time you've made some plumbing alterations to fit 1 of them in.

[ukkid35]

Can anyone show me how the oil pump separates from the water pump housing?

I'm assuming mine is going to be very difficult to remove, as I am expecting the oil pump Woodruff key to have failed meaning the rotor will be seized on the shaft

[The Nige]

Not sure if this is of any use.
Not sure why but I didn't take many pictures



Cheers

Nigel

[Rufus Roughcut]

Check your mail, just shared my Cerbera folder with you, loads of stuff that is not relevant :-) hopefully some that is.

[ukkid35]

The Nige said:

Not sure if this is of any use.

Perfect - shows there's no point me removing the studs as there's a pin that will stop the assembly rotating

[ukkid35]

Rufus Roughcut said:

Check your mail, just shared my Cerbera folder with you, loads of stuff that is not relevant :-) hopefully some that is.

Brilliant - many thanks!

[Chimp871]

Any idea what size this seal is / or where to get from?

[The Nige]

All the parts needed for the water and oil pump came from http://www.readmanracing.co.uk/

Cheers

Nigel

[ukkid35]

I'm pretty certain it's this

SKU: Pack Size:1,Size:66mm ID x 2.5mm C/S

which I bought from SealSuppliesUK

https://www.ebay.co.uk/usr/sealsuppliesuk

https://www.ebay.co.uk/itm/143028544047

[Chimp871]

ukkid35 said:

I'm pretty certain it's this

SKU: Pack Size:1,Size:66mm ID x 2.5mm C/S

which I bought from SealSuppliesUK

https://www.ebay.co.uk/usr/sealsuppliesuk

https://www.ebay.co.uk/itm/143028544047

Thanks Paul.

Also any ideas on numbers for the oil seal and open cage bearing that the PAS adapter bracket holds?

[ukkid35]

Seal is R23 25x35x7

https://www.ebay.co.uk/itm/173653261102

Bearing is the ubiquitous 6201 12x32x10 Open

https://www.ebay.co.uk/itm/173653251827

I used SKF because it really is a critical component

[ukkid35]

Sorry, those are for the nose, not the PAS, bear with me

[ukkid35]

Seal is R23 12x32x7

https://www.ebay.co.uk/itm/163867307764

I'm pretty sure the bearing is also a 6201 as before

[Chimp871]

I think it's 12x32x7 TTO make

https://www.ebay.co.uk/itm/12x32x7mm-SKF-Oil-Seal-...

If I'm wrong let me know. cheers

[ukkid35]

Yes, steep at that price but they seem to be the only supplier

[ukkid35]

Also, make sure you use some assembly lube like this

It is in a different league to anything else you might try in these difficult times