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  #1  
Old February 18th, 2015, 03:55 PM
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Default Freeze Plug Leaking

Have a slight problem. I got my rig running nice and smooth only to have a freeze plug second to the rear on the drivers side start leaking. Being new to the M715 are these carried at napa or am I going to have to seek them else where? Also is there anything special l need to know or do in fixing this problem?
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  #2  
Old February 18th, 2015, 08:34 PM
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Cant remember someone having to change one of these except for when rebuilding an engine...dont think they are anything special to change...

Taking out out and going to the parts store with it...or a real good measurement of the hole it came out of...should get you one.
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Old February 19th, 2015, 06:14 AM
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I got freeze plugs for the Braden LU-4 winch from O'Reilly. I went on their website and did a search. It found the correct size and it was a whopping 35!

They had to order it but it was in stock within two days. It helps the guys at the counter if you have looked up the Dorman number.

Try this:

http://www.oreillyauto.com/site/c/se...tor&vi=5186827
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Old February 19th, 2015, 09:58 PM
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use a good sealer when you reinstall the freeze plug,clean the block sealing surface real good to bare metal, use a socket that will just fit inside the freeze plug as a tool to install it, use a 3lb hammer as a driver.if you use a brass plug you wont have to paint it. AND go real slow or you,ll drive it in too far.
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Old February 20th, 2015, 06:04 AM
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Quote:
Originally Posted by md1970 View Post
use a good sealer when you reinstall the freeze plug,clean the block sealing surface real good to bare metal, use a socket that will just fit inside the freeze plug as a tool to install it, use a 3lb hammer as a driver.if you use a brass plug you wont have to paint it. AND go real slow or you,ll drive it in too far.
Excellent advice. I hope I NEVER have to deal with a freeze plug. So far, the coolant in my engine looks good, absolutely no hint of rust. (Wish I could say that about the brake lines !)
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Old February 20th, 2015, 01:59 PM
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Quote:
Originally Posted by md1970 View Post
use a good sealer when you reinstall the freeze plug,clean the block sealing surface real good to bare metal,
Permatex RightStuff. I LOVE that goop!

I used it on a diff cover a while back- scraped, scotchbrite, and wipe with acetone beforehand. The next time I had to open the diff, it wouldn't pry off. I eventually lifted the front end of the truck with a jack on the lip of the diff cover, then hammered a thin scraper under the edge.
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Old February 21st, 2015, 12:23 AM
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I use indian head sealer for almost 40 yrs and 0 problems.
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Old May 20th, 2019, 06:32 AM
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does anyone have the actual diameter of the freeze plug? right side on mine blew out. it doesnt look like the original and i'm thinking thats why it blew out.
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  #9  
Old May 20th, 2019, 03:15 PM
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I just changed all of mine, 1 5/8. I bought the Dorman brand and they were junk, the sides were tapered not square to the body of the plug and just fell in. I ended up buying a set of American made ones on ebay.
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  #10  
Old May 23rd, 2019, 02:38 PM
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Dorman is junk, what so ever they deliver. Any Dorman parts I bought so far in the States did not fullfill the minimum requirements of reliabiliy. Or is it normal, to change the brake boots every two years. I do not think so. Or a hydraulic clutch master cylinder repair kit, which did not survive the finish of the restauration, before the parts started to disintegreate.
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