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Thread: New Water Pump Replacement HOW-TO w/ PICS Reply to Thread
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Topic Review (Newest First)
02-22-2014 11:48 PM
FoFo4Me You know you rock, right??
I *knew* I was right and the auto parts guys are going to eat crow!! ;-)

I've been looking for this all over the 'Net, no diagrams for the DOHC engines with the water pump on the accessory belt!

Me, I've got the Guinea Pig model, 2000 and while I am glad I can work on it myself, it always helps to have the correct information!!!
01-21-2014 08:42 AM
blazindave just wanted to add another thanks to this thread.

worth noting, as I've seen elsewhere across the internet, the water pump can be removed and reinstalled without pulling the motor mount and dropping the engine. It is tricky, and it only goes one way, but it can be done. I did it yesterday. Didn't have a torque wrench handy so didn't want to loosen the motor mount -- just took the 4 bolts out of the AC Compressor and hung it aside out of the way with a wire coathanger.

As has been mentioned, the trick to getting it out starts with flipping it 180 degrees so the impeller is pointing away from the engine block. Then you just have to rotate and twist it just right. It felt like one of those "magic trick" games where you try to free the ball from the cage and it will only come out one way... I can't really explain exactly how it's done, just be patient and keep trying. and then reverse it to get the new one in.

also, thanks to this thread I decided to go ahead and replace the overflow reservoir bottle - I had noticed that I was losing coolant, but pretty slowly... couldn't find any leaks around any hoses or around the thermostat housing, no cracks in the radiator, etc. After I took the old bottle out (which was yellow and really nasty looking down in there), I could see a couple of those hairline cracks on the very bottom of it.
03-21-2013 07:57 PM
finalfantasy I didn't get bolts with the new pump, reused the old ones but the "pan" head seemed to cock slightly when torqued down...
03-21-2013 08:37 AM
Jdevaney89
Quote:
Originally Posted by finalfantasy View Post
can anyone mention of cleaning the housing surface where gasket meets? Should the gasket be lubricated with coolant at all?
I replaced the motor with a brand new one with a new rubber so i cleaned the housing with tissue to clean up any dirt and coolant and bolted the new pump and seal in place which has seemed to do the job fine for me..
03-21-2013 08:36 AM
Jdevaney89 Due to seeing this thread im now a member here, what a bloody help this was! Had to do it twice though, firstly i saw a leak and managed to somehow make it worse!

So we took the pump out by dropping the engine and replaced it with the rubber and some sealant which we thought would work, put it all back together, filled the car with coolant first (big mistake) which leaked all over the driveway.

So we went and bought a new pump and fit it again but i managed to turn the pump around and wiggle it out of the engine bay and managed to get the new pump back up the same way! So the second repair went much easier and faster than the first which was awesome!

The leak was coming from the bearing that the pulley attaches too, what an absolute bloody joke the thing is though the receipts that i had with the car said it had its pump changed as part of its MOT back in january which was a shambles as it wasnt new AT ALL!

I managed to get a new pump for the car for less than 20 and the receipt showed the pump at 35 second hand? Weird although i dont care as its now done and complete!

But yeah thanks again, much appreciated!
03-17-2013 11:25 PM
finalfantasy can anyone mention of cleaning the housing surface where gasket meets? Should the gasket be lubricated with coolant at all?
10-09-2012 11:48 AM
Phacade Good to know, thanks!!
10-08-2012 08:14 PM
jlampitt Unfortunately, I can't. The trash came today.

However, mine was very yellowed - the way old plastic looks when it sits out in the sun too long - and the cracks were hairline fractures that I mistook as scratches. Closer inspection though revealed that they were indeed cracks and went all the way through the plastic on the underside of the tank. It didn't leak with fluid just sitting in it, but under pressure, it was squirting out and spraying on the belt - which in turn flung it all over the engine compartment.

So, I'm not 100% certain that my water pump needed replacing, but I'm glad I've got it done regardless.
10-08-2012 11:41 AM
Phacade Can you post up a picture of what your overflow tank looked like? I'm wondering if I have some leaks as well. I'd hate to replace my water pump only to find out I have a leaky overflow tank.
10-05-2012 10:25 PM
jlampitt Job Complete!!

The photos here were invaluable, thank you! However, as everyone seems like they've had different experiences, I did as well. Deciding to do everything to avoid fiddling with the motor mount, I dropped the A/C compressor AND removed the compressor mounting plate. Once I did that, this job just got a whole lot simpler.

Getting the old pump out and the new pump in took a little patience but I noticed with the new one, while looking at the pump in sorta an isometric view, no two sides of the pump (bolt-hole to bolt-hole on 4 sides) was the same. So, it's kinda like a Rubik's Cube... I successfully turned the pump until the right "edge" allowed me to insert the pump (pulley-side first as noted above), rotate it 180 degrees and viola... I was in business.

I also ended up having to go buy a new overflow tank as mine was developing cracks and was probably leaking under pressure. Those little suckers are expensive! ~$78 from the dealer - the only place in town that had one in stock. (Didn't want to wait to order one.)

Thanks again to everyone who's contributed to this thread.

--------------------------
Smack-dab in the middle of doing this and following this guide. Got the pump loose and can see how many a butt-kicking of the factory engineer is necessary. Just needed another 1/4" clearance?!

Will be loosening the A/C compressor tomorrow as I think I can get it out without dropping the motor. But, I have a capable floor jack just in case. Will report back when complete.
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