Help Leaking Coolant

87StangGT · October 31st, 2009, 03:18 PM

Today while removing my sway bar I noticed some liquid under the car. it wasnt oil come to fid out its coolant. I shined a blue light towards the water pump (Blue LED's make Coolant Glow green) I can see coolant coming out from the water pump seal. Not a whole lot just a small amount.

Now my question is should i replace the entire water pump or do you thing it is just the seal that has gone bad?

88-gt-t-top · October 31st, 2009, 03:20 PM

how many miles are on the pump? if you have the cash it might be a good time for a new pump and gasket.

Also, check the thermostat housing just to be sure the coolant is flowing down from somewhere above rather than where you see it.

87StangGT · October 31st, 2009, 03:24 PM

I have have no clue how many miles Just recently bought it engine has been rebuilt but dont know about the water pump doubt he replaced that. I just figured id find out if i could just replace the gasket. But pumps are not that expensive so i guess i could go that route.

87StangGT · October 31st, 2009, 03:28 PM

Also about the thermostat housing i did see some coolant up around the hose leading to the heater core just above the water pump i checked it the clamp is tight so i dont know if coolant can still leak threw or what probaly be better off just replacing all the hoses, water pump gasket and thermostat gasket?

ddarkslayer · October 31st, 2009, 03:37 PM

Its best to change the waterpump along with the gaskets but if your lucky you won't have a bolt that is stuck and you have to bust the timing cover to get it out so you would have to replace that to and you have to get a new timing cover gasket. I had to do that and it was a pain in the ass but I still had to replace the timing cover.

88-gt-t-top · October 31st, 2009, 03:42 PM

You can buy just this one or they sell a bunch of gaskets in a set depending on what you're replacing.

Summit Racing Part Number FEL-35211

ddarkslayer · October 31st, 2009, 04:02 PM

go to an auto part store and snag one for 2 bucks

93badazzstang · November 1st, 2009, 10:15 AM

id say if you dont know the miles on the water pump. better be safe than sorry. since the water pumps off. spend the extra 30-40 bucks and throw a water pump on there. you dont wanta just put a gasket on there than 1 week later the bearings start to go and or start weeping out the weep hole. than that new gasket was a waste.. thats my 2 cents..

seans mustang · November 1st, 2009, 10:36 AM

i would take a second look,i thought i was leaking coolant from my water pump but when i looked again a little closer,i found out it was coming from thermostat housing

87StangGT · November 1st, 2009, 11:20 AM

well i bought all new gaskets hoses thermostat and water pump. only thing is the guy before me installed an aluminum radiator. I cant find the drain valve to drain the system. what is another way to drain it?

Pro Street Monza · November 1st, 2009, 11:25 AM

Remove to lower radiator hose and drain into a pan.

87StangGT · November 1st, 2009, 06:38 PM

Yea thats what i ended up doing got it all back together and no more leaks. YAY!! Thank for the advice.

ddarkslayer · November 2nd, 2009, 11:19 AM

Originally Posted by 87StangGT

Yea thats what i ended up doing got it all back together and no more leaks. YAY!! Thank for the advice.

glad everything went smooth

88-gt-t-top · November 4th, 2009, 12:26 PM

a little late, but good to hear

October 31st, 2009, 03:18 PM	#1
87StangGT Regular 1987 Mustang GT Join Date: Oct 2009 Location: Cape Coral, FL Posts: 131 iTrader: 0 reviews	Help Leaking Coolant Today while removing my sway bar I noticed some liquid under the car. it wasnt oil come to fid out its coolant. I shined a blue light towards the water pump (Blue LED's make Coolant Glow green) I can see coolant coming out from the water pump seal. Not a whole lot just a small amount. Now my question is should i replace the entire water pump or do you thing it is just the seal that has gone bad?

November 1st, 2009, 10:36 AM	#9
seans mustang Regular 1994 mustang gt 10.82 sec Join Date: Oct 2009 Location: michigan Posts: 75 iTrader: 0 reviews	i would take a second look,i thought i was leaking coolant from my water pump but when i looked again a little closer,i found out it was coming from thermostat housing __________________ seans mustang

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October 31st, 2009, 03:24 PM	#3
87StangGT Regular 1987 Mustang GT Join Date: Oct 2009 Location: Cape Coral, FL Posts: 131 iTrader: 0 reviews	I have have no clue how many miles Just recently bought it engine has been rebuilt but dont know about the water pump doubt he replaced that. I just figured id find out if i could just replace the gasket. But pumps are not that expensive so i guess i could go that route.

October 31st, 2009, 03:28 PM	#4
87StangGT Regular 1987 Mustang GT Join Date: Oct 2009 Location: Cape Coral, FL Posts: 131 iTrader: 0 reviews	Also about the thermostat housing i did see some coolant up around the hose leading to the heater core just above the water pump i checked it the clamp is tight so i dont know if coolant can still leak threw or what probaly be better off just replacing all the hoses, water pump gasket and thermostat gasket?

October 31st, 2009, 03:37 PM	#5
ddarkslayer Hardcore Enthusiast 1988 Mustang 5.0 LX 12.48@118.27 Join Date: May 2009 Location: Folsom, CA Posts: 1,325 iTrader: 0 reviews	Its best to change the waterpump along with the gaskets but if your lucky you won't have a bolt that is stuck and you have to bust the timing cover to get it out so you would have to replace that to and you have to get a new timing cover gasket. I had to do that and it was a pain in the ass but I still had to replace the timing cover.

October 31st, 2009, 04:02 PM	#7
ddarkslayer Hardcore Enthusiast 1988 Mustang 5.0 LX 12.48@118.27 Join Date: May 2009 Location: Folsom, CA Posts: 1,325 iTrader: 0 reviews	go to an auto part store and snag one for 2 bucks

November 1st, 2009, 10:15 AM	#8
93badazzstang Newbie Join Date: Oct 2009 Posts: 23 iTrader: 0 reviews	id say if you dont know the miles on the water pump. better be safe than sorry. since the water pumps off. spend the extra 30-40 bucks and throw a water pump on there. you dont wanta just put a gasket on there than 1 week later the bearings start to go and or start weeping out the weep hole. than that new gasket was a waste.. thats my 2 cents..

November 1st, 2009, 11:20 AM	#10
87StangGT Regular 1987 Mustang GT Join Date: Oct 2009 Location: Cape Coral, FL Posts: 131 iTrader: 0 reviews	well i bought all new gaskets hoses thermostat and water pump. only thing is the guy before me installed an aluminum radiator. I cant find the drain valve to drain the system. what is another way to drain it?

November 1st, 2009, 11:25 AM	#11
Pro Street Monza Newbie Join Date: Oct 2009 Posts: 16 iTrader: 0 reviews	Remove to lower radiator hose and drain into a pan.

November 1st, 2009, 06:38 PM	#12
87StangGT Regular 1987 Mustang GT Join Date: Oct 2009 Location: Cape Coral, FL Posts: 131 iTrader: 0 reviews	Yea thats what i ended up doing got it all back together and no more leaks. YAY!! Thank for the advice.

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