water pump leakage, after 2 times replacing

bjballing · 03-13-2011, 09:28 PM

hey everyone, i have a 1995 legacy with the ej22 motor. it had a slight leak coming from the seal from the water pump to the motor when i bought it. i had driven it for 2 months, always checking the coolant level. it wasnt a bad leak, but about one drop every 5 seconds or so.
so then i got the money and replaced the whole front end of the motor, water pump, timing belt, all tensioners and pulleys.
after about 100 miles it started leaking again. about the same rate. i used the paper gasket and some blue silicone gasket maker, "guaranteed not to leak".
so i was like all pissed off and stuff, and finally go the motivation to do it over. this time i used aviation form a gasket. its what i used on my ford and had no problems. not on the subaru though, this time it leaks pretty bad, about two drops a second. i dont really know what i am doing wrong here.
any ideas as to what gasket maker to use, should i use the paper gasket, how long do i need to wait before putting coolant in it?
???
thanks

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sue's roo's · 03-13-2011, 09:36 PM

Go into Subaru and get a gasket from them. Paper,cork,glue. all that stuff is the incorrect.
From Subaru its a metal gasket. and make sure the surface is very clean

phattydrummer · 03-14-2011, 12:36 PM

^^Agree! I have a coolant pressure tester here at the shop. We can see where the leak is coming from without running the car. You better find out where all the leaks are before you go tearing into it again. Also, use the correct torque on the WP mounting bolts. If you need any help, let me know!

scoobydorift · 03-14-2011, 01:02 PM

Yeah dude something is up. Long ago I did a super quick/ghetto front end replacement on a 91 2.2T engine in a parking lot at dusk. I was working blind so I doubt the surfaces were free from debris, all bolts were hand torqued to rick specs, and not a single leak from the oil or water pump. I suspect something is messed up on the block surface itself if you have used an OEM gasket/Pump before. If not, I highly recommend OEM equipment.

And +1 for running a system pressure test, should be able to find the leak quickly.

03-13-2011, 09:28 PM	#1
bjballing Scooby Newbie Member#: 269092 Join Date: Jan 2011 Chapter/Region: RMIC Vehicle: 1995 legacy L blue	water pump leakage, after 2 times replacing hey everyone, i have a 1995 legacy with the ej22 motor. it had a slight leak coming from the seal from the water pump to the motor when i bought it. i had driven it for 2 months, always checking the coolant level. it wasnt a bad leak, but about one drop every 5 seconds or so. so then i got the money and replaced the whole front end of the motor, water pump, timing belt, all tensioners and pulleys. after about 100 miles it started leaking again. about the same rate. i used the paper gasket and some blue silicone gasket maker, "guaranteed not to leak". so i was like all pissed off and stuff, and finally go the motivation to do it over. this time i used aviation form a gasket. its what i used on my ford and had no problems. not on the subaru though, this time it leaks pretty bad, about two drops a second. i dont really know what i am doing wrong here. any ideas as to what gasket maker to use, should i use the paper gasket, how long do i need to wait before putting coolant in it? ??? thanks * Registered users of the site do not see these ads.

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03-13-2011, 09:36 PM	#2
sue's roo's Scooby Newbie Member#: 228787 Join Date: Nov 2009 Chapter/Region: RMIC Location: victor id Vehicle: 03 wrx broken 3/4 of the year	Go into Subaru and get a gasket from them. Paper,cork,glue. all that stuff is the incorrect. From Subaru its a metal gasket. and make sure the surface is very clean

03-14-2011, 12:36 PM	#3
phattydrummer Scooby Newbie Member#: 183070 Join Date: Jun 2008 Chapter/Region: RMIC Location: TrueTune Vehicle: 2003 WRX True Blue	^^Agree! I have a coolant pressure tester here at the shop. We can see where the leak is coming from without running the car. You better find out where all the leaks are before you go tearing into it again. Also, use the correct torque on the WP mounting bolts. If you need any help, let me know!

03-14-2011, 01:02 PM	#4
scoobydorift Scooby Specialist Member#: 43128 Join Date: Sep 2003 Location: SLC Vehicle: 92 RWD, 96 FWD 05 AWD	Yeah dude something is up. Long ago I did a super quick/ghetto front end replacement on a 91 2.2T engine in a parking lot at dusk. I was working blind so I doubt the surfaces were free from debris, all bolts were hand torqued to rick specs, and not a single leak from the oil or water pump. I suspect something is messed up on the block surface itself if you have used an OEM gasket/Pump before. If not, I highly recommend OEM equipment. And +1 for running a system pressure test, should be able to find the leak quickly.