17" Wheels on '18 2.0T - TerrainForum.net: GMC Terrain Forum
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post #1 of 20 (permalink) Old 10-24-2018, 03:44 PM Thread Starter
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17" Wheels on '18 2.0T

I can't seem to find a definitive answer to this. There are a few threads regarding winter wheel setups on the 2.0T, but no one has verified fitment.

Will the OEM 2018 17" wheels still clear the larger brakes on the 2.0T?

I would prefer to do a -1 setup from the factory 18" wheels.
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post #2 of 20 (permalink) Old 10-28-2018, 08:27 PM
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Originally Posted by Pushrods View Post
I can't seem to find a definitive answer to this. There are a few threads regarding winter wheel setups on the 2.0T, but no one has verified fitment.



Will the OEM 2018 17" wheels still clear the larger brakes on the 2.0T?



I would prefer to do a -1 setup from the factory 18" wheels.


not a direct answer but this rumor has been circulating the forums for about a year now about larger brakes on the 2.0 and i cant find anything to confirm it... gm doesnt list it as a selling feature in the list of standard features on the 2lt trim level and gmpetsdirect shows that the rotors are the same between all trim levels so i believe the bigger brakes thing is just a rumor with that said im in the process of looking for some 17s locally for mine if i get them before you do ill let you know how it goes. also, all wheel websites, tire rack and others say 17s fit


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post #3 of 20 (permalink) Old 10-28-2018, 11:58 PM Thread Starter
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Originally Posted by kastner03 View Post
not a direct answer but this rumor has been circulating the forums for about a year now about larger brakes on the 2.0 and i cant find anything to confirm it... gm doesnt list it as a selling feature in the list of standard features on the 2lt trim level and gmpetsdirect shows that the rotors are the same between all trim levels so i believe the bigger brakes thing is just a rumor.
GM lists a 300mm (11.8) front rotor for the 1.5 and diesel, and a 321mm (12.6) rotor for the 2.0. Rear rotors are shared among all three engines.

https://media.chevrolet.com/media/us...2018.tab1.html

Informally, I can say that the radial clearance between the caliper and wheel on a 1.5L with 17s is comparable to the clearance on our 2.0L with 18s. I can grab a rotor diameter next time I have a wheel off.


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with that said im in the process of looking for some 17s locally for mine if i get them before you do ill let you know how it goes.
I know for a fact that a 17 wheel can fit with the right offset. I test fit a set of steel wheels the other day. They fit, but the caliper to inside face clearance was uncomfortably close. Radial clearance was narrow, but acceptable. My concern is that the 17 OEM wheel does not have a suitable inside spoke profile.
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post #4 of 20 (permalink) Old 10-29-2018, 09:47 PM
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GM lists a 300mm (11.8) front rotor for the 1.5 and diesel, and a 321mm (12.6) rotor for the 2.0. Rear rotors are shared among all three engines.



https://media.chevrolet.com/media/us...2018.tab1.html



Informally, I can say that the radial clearance between the caliper and wheel on a 1.5L with 17s is comparable to the clearance on our 2.0L with 18s. I can grab a rotor diameter next time I have a wheel off.









I know for a fact that a 17 wheel can fit with the right offset. I test fit a set of steel wheels the other day. They fit, but the caliper to inside face clearance was uncomfortably close. Radial clearance was narrow, but acceptable. My concern is that the 17 OEM wheel does not have a suitable inside spoke profile.


my apologies, i was just going by info that i found online and confirmed with a dealer. (rotor part#s) its probably too early for anyone to need rotors but hopefully they get the part number mixup fixed before people order the wrong parts lol. anyway which steel wheels did you try ? ive been trying to cross reference and find factory steels that would fit since my local u pull it sells them for $12 each it would be a dirt cheap winter option


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post #5 of 20 (permalink) Old 10-30-2018, 11:58 AM Thread Starter
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my apologies, i was just going by info that i found online and confirmed with a dealer. (rotor part#’s) it’s probably too early for anyone to need rotors but hopefully they get the part number mixup fixed before people order the wrong parts lol. anyway which steel wheels did you try ? i’ve been trying to cross reference and find factory steels that would fit since my local u pull it sells them for $12 each it would be a dirt cheap winter option

No worries - I wasn't sure either until I really started looking.

The steel wheels were borrowed from a friend. The bolt pattern was 114.3, so I wasn't planning on running them, but I knew they would "fit" for testing. They were aftermarket 17x7 Pacer 83B-7714 wheels: https://www.atdwheels.com/wheels/pac.../p/style/67852

They make a 5x115 version (83B-7718 ), but it's 6mm higher offset than the 7714. The 7714 was at most 2mm from the outboard face of the caliper, so I'd expect the 7718 to be a definite no-go.
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post #6 of 20 (permalink) Old 10-30-2018, 06:03 PM
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17" wheels will fit on the 2.0 engine even though it has larger brakes.

I ordered 17" steel wheels and test fit them myself and they clear.

Now - 2018 Equinox 2LT 2.0T AWD
Was - 2015 Equinox 1LT 3.6 AWD
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post #7 of 20 (permalink) Old 10-30-2018, 07:42 PM
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17" wheels will fit on the 2.0 engine even though it has larger brakes.



I ordered 17" steel wheels and test fit them myself and they clear.


which ones did you order ?


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post #8 of 20 (permalink) Old 10-30-2018, 07:45 PM
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No worries - I wasn't sure either until I really started looking.

The steel wheels were borrowed from a friend. The bolt pattern was 114.3, so I wasn't planning on running them, but I knew they would "fit" for testing. They were aftermarket 17x7 Pacer 83B-7714 wheels: https://www.atdwheels.com/wheels/pac.../p/style/67852

They make a 5x115 version (83B-7718 ), but it's 6mm higher offset than the 7714. The 7714 was at most 2mm from the outboard face of the caliper, so I'd expect the 7718 to be a definite no-go.


the 7718 appears to be the same offset as our stock wheels? this doesnt give me much hope for factory aluminum ones fitting since you say the 7718 wont fit


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post #9 of 20 (permalink) Old 10-30-2018, 08:24 PM Thread Starter
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the 7718 appears to be the same offset as our stock wheels? this doesn’t give me much hope for factory aluminum ones fitting since you say the 7718 won’t fit
I don't know for a fact that the 7718 doesn't fit. I only attempted the 7714 and made an educated guess.

The 7718 is the same offset as the factory wheel, but the wheel's geometry is different. The face of the steel wheels are fairly flat from the hub mating surface out the to rim, with a substantial outer lip. The factory aluminum wheels have no lip, with spokes that have an inner profile that actually curves outward from the hub. The question is whether it's enough.
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post #10 of 20 (permalink) Old 10-30-2018, 08:53 PM
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Offset can be created in two ways, or a combination of both on steel or two piece wheels. The shape of the wheel center and/or the position of the outer rim to the center. More often than not the centers remain the same shape and the position of the outer rim is adjusted for proper or close to stock offset. As I have posted in the past, I am using 17" OEM Buick Verano wheels on both vehicles but since neither is a 2.0 I don't know if they'll work with the larger brakes. I am going to be putting them on in the next week so if any dimensions I could check that may help in determining fit on the 2.0 vehicles let me know and I'll do my best to check them out.
One thing I noticed about some of the after market steels wheels is that the prices approach what I paid for the Buick wheels and that wasn't considering the additional cost of hub caps if you chose to use them. I also read one review where the buyer had to drill the valve hole larger to accommodate the TPMS sensor. If the concern for using aluminum wheels in the Winter when salt can corrode them, I've had good luck with spraying Fluid Film on the wheels. BTW, the bow tie center caps fit the Buick wheels.
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Last edited by HCO41; 10-31-2018 at 08:37 AM.
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