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Old 02-02-2011, 12:44 AM   #1
nicko360
Scooby Newbie
 
Member#: 249036
Join Date: Jun 2010
Chapter/Region: NWIC
Location: Bellingham WA
Vehicle:
2002 rhd s2000
spa yellow

Default leaking water pump!!

so I bought a outback with an ej2d5 dohc 96 with a blown headgasket, didnt notice anything leaking originally. just got done doing the headgaskets and timing belt which was kinda a bitch IMO, now she runs awesome but the water pump has a noticeable leak! does anyone know any shortcuts to stop the leak or if there is a way to change the gasket without having to take the timing belt off? lol even if i do have to do timing again a write up on how to change the gasket would be nice, i already have the one that came with my gasket set. will I need to pull the motor again?
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Old 02-02-2011, 01:37 AM   #2
PhilSine
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Member#: 130489
Join Date: Oct 2006
Chapter/Region: MWSOC
Location: Superior, WI
Vehicle:
02 WRX Wagon (WRB)
98 OBS-T, 91 Legacy SS

Default

You do not need to pull the motor again. Simply remove the radiator and battery and there will be plenty of room to do the water pump. There is nothing special about this waterpump over any other in that you need to make sure all mating surfaces are clean of any old gasket materials and make sure the new gasket isn't pinched or crimped anywhere. In all actuality, you should strongly consider replacing the water pump to ensure that you won't be doing this again in a year or two (depending on how new the current pump is of course). Do not get a remanufactured pump. Go with a new pump. Also, take the time to replace the thermostat and gasket while you're already making a mess.

When I do head jobs, the water pump always gets replaced no matter what. I't a $75 piece of insurance.
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Old 02-02-2011, 01:39 AM   #3
Wrencher86
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Join Date: Jun 2010
Location: Evanston, Il
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2010 Impreza 2.5i
Silver

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Why did you do a timing belt without putting a water pump on at the same time? No, the motor doesn't have to come back out. Yes, the timing belt has to come off. Replace the whole damn pump not just the gasket. It's probably leaking at the impeller seal anyway.

How did you manage to pull a motor, replace a head gasket and timing belt, get the thing timed, installed and running without knowing how to replace a water pump? That seems like knowing how to cook a full Thanksgiving meal without knowing how to make Ramen.
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Old 02-02-2011, 01:54 AM   #4
PhilSine
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Location: Superior, WI
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02 WRX Wagon (WRB)
98 OBS-T, 91 Legacy SS

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Quote:
Originally Posted by Wrencher86 View Post
Why did you do a timing belt without putting a water pump on at the same time? No, the motor doesn't have to come back out. Yes, the timing belt has to come off. Replace the whole damn pump not just the gasket. It's probably leaking at the impeller seal anyway.

How did you manage to pull a motor, replace a head gasket and timing belt, get the thing timed, installed and running without knowing how to replace a water pump? That seems like knowing how to cook a full Thanksgiving meal without knowing how to make Ramen.
Because removal of the water pump is not required when removing either cylinder head. I'm guessing that since it wasn't required, he didn't really explore around it much to see how it came off.

I'm with you though, you're in there already; replace it as part of the overall operation.
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