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  #1  
Old 04-30-2019, 03:13 PM
ZackN920's Avatar
ZackN920 ZackN920 is offline
350 Buick
 
Join Date: Nov 18, 2015
Location: Stephenson County, IL
Posts: 879
Freeze plug replacement question

How hard is it to change out freeze/expansion plugs on the sides of the block? Can I do it with the engine in the Jeep? Mine have always leaked while I've owned the Jeep. Small leak's, but there has always been green driplets hanging off the engine.

I bought some brass plugs from rockauto with my order of other cooling system goodies. I figured that while I change out the radiator, that would be the best time to do freeze plugs too... If I can get to them.
If I'm going to get stuck in the process though, due to limited space under the hood- im not touchin' em! I can deal with topping off the reservoir once a month!

If I can do them, I've got some cleaning ahead of me. Get rid of all the corrosion/dirt/oil first.
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1990 Grand Wagoneer-"The Crapwagon"
AMC 360, TF727, NP229, 3.31gears, 2" lift
Rancho 44044, Rusty's 2" AAL, TFI
...still kinda rusty

The other's
1926 Dodge Brothers 5 pass. Business Sedan 212-I4, 3 speed, CRANK START (new long term project)
1987 Lincoln Town Car "Signature Series" 5.0, AOD unknown gears
1987 Dodge Dakota LE 3.9,A999TF,3.90gears(DD)
1994 GMC 'Burban L05-5.7,4L60E,3.73gears(DD)
2001 Jeep Cherokee Sport 4.0,AW4,3.73gears(thinkin of selling)
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  #2  
Old 04-30-2019, 06:38 PM
gpcl16 gpcl16 is offline
232 I6
 
Join Date: Apr 02, 2016
Location: California
Posts: 117
It depends on which one your trying to replace. Some are easier to get to than others. Invariably the one that's leaking is always the hardest one to get to. That's just how it works.
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1988 Jeep Grand Wagoneer
4" BDS Suspension Lift
Tru-Trac Rear
Howell GM TBI with Custom Tune
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  #3  
Old 04-30-2019, 08:14 PM
Tripwire's Avatar
Tripwire Tripwire is offline
hey,does anyone here know how to.......
 
Join Date: Jul 30, 2000
Location: WA State
Posts: 4,401
a looooong time ago i had to use a rubber expandable one on a friends car, it seemed to do the trick...dunno if i would use it long term.... but if push comes to shove -
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Abort? Retry? Ignore? >

86 GrandWag. Howell fuel Injected 360. MSD Ignition + Dizzy. 727/229 swap BJ's 2" Lift and 31's

88 Wrangler 4.2, Howell TBI and MSD - Borla Headers w/ Cat-back + winch and 31's AND a M416 trailer (-:
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  #4  
Old 04-30-2019, 08:48 PM
ZackN920's Avatar
ZackN920 ZackN920 is offline
350 Buick
 
Join Date: Nov 18, 2015
Location: Stephenson County, IL
Posts: 879
You sure got that right gpcl16! The one that looks to leak the most is behind the drivers side engine mount.

rubber expandable... I don't know about that... Not sure if that's something i'd want to do... I already purchased brass plugs, they were pretty cheap on RA. I just don't know if I'll have enough space. I like having space to work. If it were up to me, this would be a job to do with the engine on a stand, but I have no plans to pull it out as of yet.
__________________
1990 Grand Wagoneer-"The Crapwagon"
AMC 360, TF727, NP229, 3.31gears, 2" lift
Rancho 44044, Rusty's 2" AAL, TFI
...still kinda rusty

The other's
1926 Dodge Brothers 5 pass. Business Sedan 212-I4, 3 speed, CRANK START (new long term project)
1987 Lincoln Town Car "Signature Series" 5.0, AOD unknown gears
1987 Dodge Dakota LE 3.9,A999TF,3.90gears(DD)
1994 GMC 'Burban L05-5.7,4L60E,3.73gears(DD)
2001 Jeep Cherokee Sport 4.0,AW4,3.73gears(thinkin of selling)
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  #5  
Old 05-01-2019, 02:48 AM
wiley-moeracing wiley-moeracing is offline
350 Buick
 
Join Date: Feb 15, 2010
Location: arizona
Posts: 1,027
they make some special tools to install them with for the hard to reach areas. or you could take it to a shop and have them do it.
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  #6  
Old 05-01-2019, 06:24 AM
TexasJ10's Avatar
TexasJ10 TexasJ10 is offline
360 AMC
 
Join Date: Jan 03, 2002
Location: Houston, Texas
Posts: 2,770
Waiting is not a good option. Your current seep will be a gush exactly at a time you can least afford it. Plus it is always bad to have antifreeze leaking when all your neighbors are wondering why their pets died.
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* 1981 stepside, 360, 727, 208, almost stock daily driver.
* 1982 Laredo j-10, 360, 727, in rough shape and in the process of being rebuilt with 401, NV4500, Klune,
. NP205,d60 front, d70 rear, fender work and minimal lift. It will probably take 10 years
* 1973 jcab mounted on 1983 j20 frame. 360/t18/208 d44/d60. Almost completed
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  #7  
Old 05-01-2019, 08:45 PM
ZackN920's Avatar
ZackN920 ZackN920 is offline
350 Buick
 
Join Date: Nov 18, 2015
Location: Stephenson County, IL
Posts: 879
WileyMoe-
Special tools huh, ok. I'll check out google and see what I can find.

Under my ownership this Jeep has not and WILL NOT be worked on by anyone other than myself(and occasionally dad when he wants to help). I will not pay someone else to work on my Jeep or any of my other vehicles for that matter while I am still able to myself. So that's not an option.


TexasJ10-
It's been waiting for at least the last 3 years that I've owned it. Probably longer with how the po's were. It's only left the bottom of the engine wet. Unlike the radiator that is leaving puddles on the ground every time I drive it...


Neighbors pets have no reason to be in my driveway, and the gravel sucks up any leaks. Only time I notice leaks in the gravel is when there's snow. I don't think modern coolant can even hurt animals or people anymore. Unless your drinkin' it out of the jug!


Hey, anyone know if I can pull the whole engine mount out of the way? Looks like I should be able to get it off the engine, but I don't know if I can pull the whole bracket off the frame.
__________________
1990 Grand Wagoneer-"The Crapwagon"
AMC 360, TF727, NP229, 3.31gears, 2" lift
Rancho 44044, Rusty's 2" AAL, TFI
...still kinda rusty

The other's
1926 Dodge Brothers 5 pass. Business Sedan 212-I4, 3 speed, CRANK START (new long term project)
1987 Lincoln Town Car "Signature Series" 5.0, AOD unknown gears
1987 Dodge Dakota LE 3.9,A999TF,3.90gears(DD)
1994 GMC 'Burban L05-5.7,4L60E,3.73gears(DD)
2001 Jeep Cherokee Sport 4.0,AW4,3.73gears(thinkin of selling)
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