2015 Nox finally gave out! Engine Trouble - TerrainForum.net: GMC Terrain Forum
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post #1 of 22 (permalink) Old 11-17-2019, 04:33 AM Thread Starter
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2015 Nox finally gave out! Engine Trouble

Finally broke 115k miles and she gave out with little to no warning. Started the care pulled out of a parking lot and when idling the car acted and felt like the front end had hydraulics. I drove it back into the parking lot, checked the oil and she was about 2qts shy. Added the oil and she still acted like it was, Drove to the local auto parts store and did a code check. Codes thrown indicated CRANKSHAFT POSITION A, FUEL RAIL SYSTEM, FUEL PRESSURE SENSOR A, FUEL PRESSURE REGULATOR. My mechanic said it would probably be ok to drive it to them so I did, The vehicle drove "normally" as fuel was being applied to the engine via the pedal, and only was idling rough and eventually died twice in transit, but re-fired normally.


Mechanic stated it was an issue with a timing chain that caused issues with oil consumption and eventually led to a valve issue. Now the car wont start, when they did a compression test the numbers were 80, 155, 0 and 0. I was also told that this is a "common" issue with these nox's and I can see several threads on here that started in a similar fashion. Just sucks, I really did enjoy the nox and now I am potentially in the market for a new vehicle.


New engines are not all that easy to find on my own and I am not sure I trust a junk yard one as it may have the same problems.
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post #2 of 22 (permalink) Old 11-17-2019, 09:22 AM
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Wow! A 2015 2.4L engine eating oil?!?!

How can we prove that this person and problem are, in fact, real ??

Could GM Customer Service be contacted to verify the owner for us here?
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2011 Equinox 1LT (new Jan 2011): Summit White / 3.0 L V6 / FWD / Pioneer Stereo / 18" Wheels / 138.2k miles [05-NOV-2019]

2002 Impala 1LT (new Jun 2002): Summit White / 3.4 L V6 / FWD / Cassette-CD Combo /225.5k miles [05-NOV-2019]
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post #3 of 22 (permalink) Old 11-17-2019, 11:50 AM
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Looking back on this, the vehicle should not have been driven.
It went from "drove normally while in transit" to "led to a valve issue".
Pointing fingers isn't going to help so what are your options.
If you have a mechanic that you feel is professional and you trust, that is step one.

1. Find, or have your mechanic, locate a used engine and have it installed.
2. Sell your non-driveable Nox to a junk yard, or at an auto auction
3. Give your mechanic the go ahead to pull the head and the front timing cover to determine the extent of the damage. If the block can be used you probably will need a head, timing chains, pistons and rings etc etc.

I would pick number 3, either way it's going to cost you some $$.

2014 Equinox LTZ FWD 3.6L. V-6 (LFX)
GM6T70 Transmission-Gen II(M7W)
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Build Date: Nov. 04, 2013-Delivery Date: Nov. 25, 2013

Last edited by rednox301; 11-17-2019 at 11:57 AM.
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post #4 of 22 (permalink) Old 11-17-2019, 12:14 PM
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Or just by a new one and maybe it won't happen next time..... maybe. I keep asking myself why I continue to buy GM vehicles after the problems I've had but then I suppose they all have issues. That being said, GM needs to step up to the plate and fix all these engines instead of making owners jump through hoops.
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post #5 of 22 (permalink) Old 11-17-2019, 01:45 PM
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115K miles on a 4 or most 5 year car indicates a lot of highway miles to me, with a newer 2.4 it seems rather unusual to have the oil usuage that resulted in timing chain woes unless oil changes were neglected.
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post #6 of 22 (permalink) Old 11-18-2019, 06:59 AM Thread Starter
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Quote:
Originally Posted by garagerog View Post
115K miles on a 4 or most 5 year car indicates a lot of highway miles to me, with a newer 2.4 it seems rather unusual to have the oil usuage that resulted in timing chain woes unless oil changes were neglected.
They were not. Not always on time do to my work schedule but within 5k miles using full synthetic.
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post #7 of 22 (permalink) Old 11-18-2019, 07:00 AM Thread Starter
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dive 180miles plus daily
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post #8 of 22 (permalink) Old 11-18-2019, 07:01 AM Thread Starter
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Quote:
Originally Posted by rednox301 View Post
Looking back on this, the vehicle should not have been driven.
It went from "drove normally while in transit" to "led to a valve issue".
Pointing fingers isn't going to help so what are your options.
If you have a mechanic that you feel is professional and you trust, that is step one.

1. Find, or have your mechanic, locate a used engine and have it installed.
2. Sell your non-driveable Nox to a junk yard, or at an auto auction
3. Give your mechanic the go ahead to pull the head and the front timing cover to determine the extent of the damage. If the block can be used you probably will need a head, timing chains, pistons and rings etc etc.

I would pick number 3, either way it's going to cost you some $$.

The point of the post was to determine if this is a frequent issue with the 2015 and this engine. If this is a common issue a new or working on this engine is of little interest to me at 115k miles.
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post #9 of 22 (permalink) Old 11-18-2019, 07:02 AM Thread Starter
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Quote:
Originally Posted by Colt Hero View Post
Wow! A 2015 2.4L engine eating oil?!?!

How can we prove that this person and problem are, in fact, real ??

Could GM Customer Service be contacted to verify the owner for us here?


what exactly would you like to know?
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post #10 of 22 (permalink) Old 11-18-2019, 07:38 AM
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Quote:
Originally Posted by Amigos3me View Post
Quote:
Originally Posted by rednox301 View Post
Looking back on this, the vehicle should not have been driven.
It went from "drove normally while in transit" to "led to a valve issue".
Pointing fingers isn't going to help so what are your options.
If you have a mechanic that you feel is professional and you trust, that is step one.

1. Find, or have your mechanic, locate a used engine and have it installed.
2. Sell your non-driveable Nox to a junk yard, or at an auto auction
3. Give your mechanic the go ahead to pull the head and the front timing cover to determine the extent of the damage. If the block can be used you probably will need a head, timing chains, pistons and rings etc etc.

I would pick number 3, either way it's going to cost you some $$.

The point of the post was to determine if this is a frequent issue with the 2015 and this engine.
It was “frequent” and “common” with the 2010-2012 models and some 2013’s built prior to May 2013 due to defective piston rings, which GM admitted were a problem through issuance of multiple SCAs (and a subsequent Class Action lawsuit which was recently “settled”).

But it’s not supposed to happen in models post-May 2013, and we haven’t seen many (any??) cases here (yet), I don’t believe.

But maybe you’ve discovered something with the unusually high mileage you’re putting on *your* 2015 2.4L engine? Are you actually driving nearly 1000 miles per week

2011 Equinox 1LT (new Jan 2011): Summit White / 3.0 L V6 / FWD / Pioneer Stereo / 18" Wheels / 138.2k miles [05-NOV-2019]

2002 Impala 1LT (new Jun 2002): Summit White / 3.4 L V6 / FWD / Cassette-CD Combo /225.5k miles [05-NOV-2019]
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