Question about GMC Suburban

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We have 96 GMC Suburban with a vortek engine and we started losing lots of water and our friend told us it was a rear Freeze Plug. Is there a freeze plug?

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Yes there is several I do not have a truck that new . But mine are under the ex manifolds & they like to put them in the rear usualy 2. also if block has not frozen & they were pushed out then it has a rust hole.. you can get them at auto parts store..

Posted on Apr 11, 2011


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Why would I see coolant leaking from a motor mount bolt 96 gmc suburban

most likely a welsh plug leaking and running down on the mount
pressure test the cooling system and watch for where the coolant is coming from

Nov 16, 2016 | 1996 GMC Suburban

1 Answer

Where can I find a picture of the freeze plugs in the rear of the motor is a 96 4 cylinder Dodge Dakota

My research shows that your engine is most likely the 2.5 liter American Motors 4 cyl that was also used in a lot of Jeeps; Chrysler owned Jeep at the time. The 4 cylinder engine is basically the old AMC 4.0 liter 6 missing two cylinders; a very basic engine.
If you do a Google search for 1996 AMC 2.5 freeze plugs, you'll get lots of pictures. Here is one with the plug out which shows you which way to rotate the plug to remove it without damaging the cylinder:
You may want to spring for a brass plug if you are going to keep the vehicle. Also see the link below for some good tips on freeze plug installation.
Non typical Coolant leak Page 2 JeepForum com Freeze Plugs Tips For Leak Free Plugs Circle Track Magazine

Jan 31, 2015 | Dodge Cars & Trucks

1 Answer

Freeze plug

The passenger side of the engine is also where the water pump sits.
The freeze plugs would be along the block between the engine and the radiator and between the engine and the firewall.
The water pump would be behind the serpentine belt or the timing cover depending on which engine you have.

Feb 17, 2014 | Pontiac Cars & Trucks

1 Answer

Freeze plug location

IT may be a rusted welsh plug and if it is at the rear of the engine then you may have to pull the engine to replace it because of the limited working space.

Dec 17, 2013 | Chevrolet Malibu Cars & Trucks

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Anit-freeze leaking from belhousing

sounds like you have a bad freeze plug..unfortunately, you will have to remove the trans, torque converter, and possibly the flywheel to get to the 2 freeze plugs that are on the back of the engine

Jan 07, 2012 | 1990 GMC Suburban

2 Answers

I have a GMC 1994 Suburban with a coolant leak in the bottom of the engine, driver side, comming out of a round plug, that has wires going a plug on it. I have a picture I can email you...and just need...

If it's a round, cup shaped plug, about 2" or so... It's called a freeze out plug. These do corrode over time and leak. They are kind of a pain to replace, and I recommend using the correct tool to install the new one. (Freeze out plug installer tool.) These are meant to "pop" out if your coolant freezes so not to crack your engine block.

Sep 07, 2011 | 1994 GMC Suburban

1 Answer

Coolant leaking at rear of motor 1996 gmc 1500 pickup. is this a freeze plug?

if it is coming around fly wheel cover it is a plug ther is 2 in back of the block trany covers them up .it also could be back of intake gaskets

Nov 27, 2010 | 1999 GMC Suburban

1 Answer

I have a 98 gmc 4x4 jimmy and the freeze plug burst at the motor mount drivers side. i am still driving it but keeping the water filled in thr radiator conwstantly. can i keep doing this or will it do more...

A 2 hour trip with a freeze plug leaking is almost a guarantee that you will be buying a new engine. Stop driving it until you can get the freeze plug fixed. It will only take an hour or so to change it if your friend has an skill at car repairs. Hope this helps.

Nov 14, 2010 | 1998 GMC Jimmy

1 Answer

Leaking antifreeze fluid from under the engine.

might be a freeze plug leaking, or heater hose. there are three freeze plugs on each side of engine and two in back of engine. most likely if any of them are leaking, it will be the one behind the starter on the far right rear of engine block. they have also been known to leak around the front and rear of intake, where intake, head, and block meet.

Feb 01, 2009 | 1995 GMC Suburban

1 Answer

Freeze Plugs

Freeze plugs are generally pried out and pounded in, although some are available that seal by squeezing a rubber piece between washers. Use 2 wrenches to tighten these. All generally available at auto parts stores.

The real problem is often getting to the leaking freeze plug. Some are on the lower sides of the block with plumbing and accessories blocking access. There are also some on the rear surface of the block, which usually require separating the transmission from the engine to replace.

Aug 30, 2008 | 1993 Buick Roadmaster

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