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        General >> Give/Need advice to/from others >> About to change water pump on 24v
        
(Message started by: amigafan2003 on Jun 11^th, 2013, 10:51am)

Title: About to change water pump on 24v
Post by amigafan2003 on Jun 11^th, 2013, 10:51am

Hi all

About to replace the waterpump on my 24v (yes, I've got the right pump ;-). I intend to drop the radiator out the bottom to improve access - any "gotchas" or tips to be aware of when replacing the pump?

Title: Re: About to change water pump on 24v
Post by Scorpio_Mike on Jun 11^th, 2013, 1:53pm

WD-40 on the pump fixing bolts the night before ;)
I changed a water pump on a 2.8 many years ago and had a couple shear off :o
Had to drill them out and epoxy in some threaded rod :-[

Title: Re: About to change water pump on 24v
Post by amigafan2003 on Jun 11^th, 2013, 6:06pm

That sounds fun!

Title: Re: About to change water pump on 24v
Post by PJDavis on Jun 11^th, 2013, 8:21pm

Another good product is 'Rost-Off-Ice'. Smells like 'germoline'! I've found this stuff really good on my Bikes, and one of them had a real old rusty set of header-pipe-bolts. It's quite expensive, but I reckon it's worth it.

Title: Re: About to change water pump on 24v
Post by amigafan2003 on Jun 11^th, 2013, 8:51pm

Ah cool - thanks for the advice PJ - I've got a can of http://www.loctitefreezeandrelease.com/ in the garage :-)

Title: Re: About to change water pump on 24v
Post by amigafan2003 on Jul 11^th, 2013, 8:11pm

Ok - got 5 bolts out - two are "obstructed" by the water pump pulley. I've taken the four pulley bolts out - does the pulley just need to be tapped off or does it need a puller on it (I hope not as that'll mean the rad needs dropping :-( ).

EDIT:- Yeah - once the four bolts are removed from the pulley a light tap with a hammer and it slides right off.

Two of the other bolts is obscured by the LH belt tensioner but I reckon I can get that bolt off with a spanner from underneath the car.

Title: Re: About to change water pump on 24v
Post by amigafan2003 on Jul 12^th, 2013, 2:33pm

Ok - fitted the new pump - gasket is weeping coolant :-(

Really can't face taking it all off again, gonna leave it for a few days :-(

Title: Re: About to change water pump on 24v
Post by amigafan2003 on Jul 12^th, 2013, 4:16pm

Possible false alarm above.

Took it for a drive to get it up to temp to see how bad the weep was. On a 10 mile run it hasn't lost any water, fans kicked in as expected, temp needle rock solid in the middle. Can't see any weeping anymore - maybe the gasket has to get wet and hot in order to seal?

I've left the under tray off it so I can see if there are any leaks overnight when it cools down.

Title: Re: About to change water pump on 24v
Post by amigafan2003 on Jul 13^th, 2013, 7:21am

Glad to report no drips and coolant level is where it was the night before (and first time in ages) - it used dump enough coolant overnight that you could see a stream running from the driveway onto the road.

That's job no.1 done!