Question about 1995 Buick Century

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My `95 Buick Century V-6 overheating. I found the problem to be a leaking freeze plug on the front head, behind the water pump. How can I get at this plug to replace it?

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There are many radiator leak stop products that will seal the leak without having to replace the freeze plug. It is the poor mans repair.

Posted on Aug 22, 2010


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Have a 94 Buick century. Replaced thermostate. Running hot. Looks as tho is leaking underneath front near pump. And also in passenger floor board can't see the leak from inside. It's just alwa

Whenever I see a system which is leaking from more than one or two places, I do a head gasket check because that tells me that the system is experiencing above normal pressures. the wet floor is a heater core. whether it's a water pump or some other thing near it only you can tell. Actually it rarely happens, but the wet floor could be the hose where it meets the heater core at the firewall; again, only you will be able to tell the difference. if the hose connection looks dry, assume that it is the core itself.

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1999 buick freeze out plug

Sounds like you have a leaking freeze plug, you will need to replace it, hopefully it is rusted and leaking and did not pop out due to freezing temp, some of these plugs are in spots thatcan cost alot to replace, the plug itself is a few dollars and new coolant . the cooling system needs to be drained because when plug is removed all coolant will run out , the plugs are all over the block, this is designed to pop out plugs and not crack block if there is not enough coolant and to much water and it freeze in cold weather the water expanding pops plugs and not cracking block, some are behind ****** or bracket and so on, you will need to locate the leaking one and see if it is something you want to do. good day

Sep 03, 2012 | 1999 Buick Century

2 Answers

1999 buick century, location of the freeze plugs on the heads. once the car warms up there is a coolant leak under the thermostat housing and i am not sure where the leak is.

freeze plugs are normally on the sides of the engines, check to see if hose connected to thermostat housing is not leaking, and also check to see if coolant is coming from the water pump.

Feb 16, 2011 | 1999 Buick Century

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My 1993 honda accord SE is overheating

It's certainly the water pump. Have the timing belt and balancer belt changed at the same time.

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the most common cause is the water pump leaks, it is on the top front of the engine, passengers side.

May 25, 2010 | 1996 Buick Century

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1997 Buick Century Overheating

Have someone pressure test the cooling system - you likely have a head gasket leak

Apr 10, 2010 | 1997 Buick Century

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My 1996 buick century is leaking water from the engine...on the right side of the engine...i fill up the radiator with water and two days later its starts overheating...i changed the water pump so i know...

Could be a hose..
When you pull into your drive way - when it is hot - shut it off - this is the best time to look for the leaks because after you shut it of the presure builds a bit.. Check the hoses..
Could be the water pump...
ould be a freeze plug gone bad..

Good luck !

Aug 13, 2009 | 1996 Buick Century

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