18-19 Equinox, Terrain 1.5 owners, engine issue - TerrainForum.net: GMC Terrain Forum
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post #1 of 6 (permalink) Old 05-18-2019, 07:46 PM Thread Starter
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18-19 Equinox, Terrain 1.5 owners, engine issue

I took a look underneath the Nox today and noticed this bolt sticking out that concerns me. I wanted to see if you guys can take a look at your engines and let me know if this is normal before i take it to the dealer. It's brand new, and some yoddle at the factory for all I know put the wrong threaded bolt and i don't want to try and tighten it.
I have a picture of the transmission area and then a close up of the bolt.
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post #2 of 6 (permalink) Old 05-18-2019, 09:40 PM
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Same yoddle must have done mine. Looks like a drain plug, and most likely, if you don't realize that it stuck out that far, when you go to put it back in, you will wind of stripping the transmission threads. Some engineer got a huge bonus for that design, because GM stands to sell and extra 50,000 transmissions to replace the stripped housing. LOL

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post #3 of 6 (permalink) Old 05-18-2019, 09:44 PM
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That is the transmission drain plug. Same as on my 2017 Nox. It is a tapered bolt Definitely want to leave it alone unless doing a fluid change. It hasn't been a issue on previous models so I would not expect it to be any different for your model year.

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Last edited by Copperhead; 05-18-2019 at 09:48 PM.
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post #4 of 6 (permalink) Old 05-19-2019, 08:43 AM
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Just under my 2.0 changing oil yesterday and I think I spotted the same drain plug.

There's also a sensor in the oil pan right next to the drain plug that looks to be held in by a cheap snap ring of some sorts. That sensor on mine seemed loose not a tight fit as it could easily be moved but mine is not leaking...yet!

If I get a chance I'll snap a picture later...

Greg



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post #5 of 6 (permalink) Old 05-19-2019, 10:21 PM Thread Starter
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Thank you for all that replied.
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post #6 of 6 (permalink) Old 05-20-2019, 08:55 AM
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Quote:
Originally Posted by auxiliary View Post
Thank you for all that replied.

Yes. . it is a tapered pipe thread on that drain bolt. . commonly used in the plumbing trade for years in certain places. It also usually has some mild Locktite thread sealer applied from the factory.

If you ever drain and fill the transmission fluid yourself, just take note of about where it has been tightened down. When it is removed, clean it, apply a little mild Locktite thread sealer, and snug the drain bolt down to about the same position that it was to begin with or maybe past a degree or two.

We have read here in the forum of someone who thought it should be "tightened all the way down". Big mistake.
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Last edited by JayTee2014; 05-20-2019 at 12:23 PM.
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