2013 2.4 started making noise today and low oil - TerrainForum.net: GMC Terrain Forum
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post #1 of 26 (permalink) Old 11-07-2019, 01:35 AM Thread Starter
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2013 2.4 started making noise today and low oil

2013 Nox with the 2.4 Ecotec, it has 75k on it. Been changing the oil every 5-7k (depending) with PP 5W30 Dexos since we bought it in 2017 with 35k on it. Today while driving home from doctors appointment it start making a tapping noise, it sounded like the intake runners on a 3.5 V6 in a Charger/300C. I noticed it almost to my house so I made it home, checked my oil dipstick and it was dry. I added just over 2 quarts and it was back to full. I ran it and the noise got slightly more quiet but it’s still very much there. It is definitely top end/valve train, camshafts, timing chain related.

I’m currently just over 4K miles on my last oil change. My car is currently still covered under GM’s Platinum extended warranty. I checked my vin and I’m not listed on the
PCV problem, but when I pulled the oil cap off with it running tonight I got pressure blowing out of the crankcase, so either bad PCV or blow by from oil consumption. I have a notebook I detail all my service record in and I have a few of my receipts, but under Magnussen-Moss that part doesn’t matter. I’ve never gone over on my mileage or missed or been late on an oil change. My question is how I proceed from here? Looking for some insight from others who have been through it.

Thanks guys!
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post #2 of 26 (permalink) Old 11-07-2019, 07:14 AM
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What’s the vehicle build date? It should be on the driver’s door jamb/pillar.

Your 2.4L engine probably has the defective piston rings, causing your oil consumption.

Right now there is no SCA (for 2013s) to cover the cost of this repair, but if that Class Action Suit ever gets Finalized (it’s in limbo right now) there *might* be.

In the meantime, if your Extended Warranty won’t pay for the repair, I would probably be driving around with a case of oil in my cargo area and checking the level on the stick at least every weekend to get a feel for how fast it’s consuming oil (and topping up when necessary). Then I’d be hoping the SCA goes into effect so I could take it to a dealer for the famous “Consumption Test”, hoping it failed so that GM would pay to replace the defective rings.

I would think the Class Action Suit issue would be resolved within the next 6 months, but that’s just a guess...

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post #3 of 26 (permalink) Old 11-07-2019, 07:49 AM
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Despite what your OLM suggests, I would not go any longer than 5K between oil changes. It will cost extram but probably save you an engine in the long run. And, as suggested, check your oil more frequently.
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post #4 of 26 (permalink) Old 11-07-2019, 01:57 PM Thread Starter
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I never went by the oil life percentage, I always did 5-7k, GM’s official call for it was 7,500 miles, but that’s also with the Dexos synthetic blend, I’m running full synthetic. Should have had absolutely no reason for that oil to be bad or that engine to wear like this early. This morning when I started it up the tapping noise was gone, until i touched the throttle, then it started stopped then started again before I touched the throttle again, it sounds like it’s coming from the timing chain.

So if I take it to the dealer, and I say it made noise I checked oil it was low i added oil and noise didn’t go away so I brought it here, are they going to try and say the chain went bad because of negligence from the oil running low since so far they aren’t covering the 2013’s? We paid an extra $3k for the platinum warranty so one way or another the bastards are fixing the timing chain AT LEAST. Considering GM has no mileage recommendation for timing chain replacement, we can assume its intended to last the life of the car. I just got off the phone with a different dealer and they told me that the timing chain goes out early when oil runs low, and it sounds like that’s what happened to me here. Oh btw financial approval for the settlement for 2013’s was issued today. My cars build date is July 2013, but the engine was probably built well before that. How do I check for sure?
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post #5 of 26 (permalink) Old 11-07-2019, 02:54 PM
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I would probably "forget" to mention the low oil, but would mention the knocking. I tend to have selective memory when it comes to money situations. BTW, don't ever lend me any money ! LOL

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post #6 of 26 (permalink) Old 11-07-2019, 02:58 PM
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Quote:
Originally Posted by sknudsenjr View Post
Oh btw financial approval for the settlement for 2013’s was issued today. My cars build date is July 2013, but the engine was probably built well before that. How do I check for sure?
Huh! I guess it was approved. But I think you may be out of luck with the coverage because your Build Date is *after* the Production Changeover Date - which, up to this point, has been advertised as May 2013. In May, GM allegedly switched to the new piston rings, so your vehicle supposedly has them already. I'd still show up at the dealership for the free Oil Consumption Test anyway, not saying a word, and waiting for them to either perform it or tell me I'm not eligible.

I haven't read the Final Approval yet, but the good news appears to be: 2010, 2011, and 2012 owners can *still* submit claims even if their respective SCA coverage has expired. So maybe some of these people will get their pistons/rings replaced after all!

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post #7 of 26 (permalink) Old 11-07-2019, 09:53 PM Thread Starter
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So, when I bring it in, don’t tell them I added oil when the noise started?
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post #8 of 26 (permalink) Old 11-07-2019, 10:01 PM
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Sknudsenjr,

On 5-25-2013 Chevy started putting better quality engines with improved piston rings in cars. That is how "running changes" are done and tracked. It is the day the car is made.
Yes, engines are built in advance and existing inventory is purged, but 5-25 is the change over date...
Obviously, the new rings made no difference, as explained by several folks on this website have had the same failures again, even with new rings

Xxxxxxxxxxxxx
Do Not tell them, you were low on oil, don't volunteer the info.
Just describe the noise...
And,
You know that gdi equinox's burn oil,
That is why you keep a quart of penzoil platinum in your equinox at all times...
Along with paper towels, so you can check oil levels
Look ( point it out) its penzoil platinum
And you have your notebook.
NOW, yesterday,
You now hear noises, and you have the $3000 gm warrentee
bring it to the dealer....
And let the dealer figure it out....


(You know you need new solenoids timing chain and guides, pistons and rings.....)------play dumb!
Xxxxxxxxxx
You said
" but when I pulled the oil cap off with it running tonight I got pressure blowing out of the crankcase,"
That ^^ is probably because...
1. You have major piston blowby, worn piston rings, and scoured cylinder walls.
2. your dirty side PCV orifice which is internal to your engine, is not able to evacuate the blowby crankcase gases fast enough. The dirty side PCV orifice, probably has engine oil sludge and crankcase vapor gunk plugging up (or partially plugged up) the 2 mm in diameter by 6.35 mm in length orifice "hole" , which is molded into the nylon 6/6 intake manifold.
3. your cleanside PCV breather hose which theoretically brings fresh air from air box (after air filter and before throttle body) into crankcase,
is actually trying to vent crankcase pressure, crankcase air is flowing the wrong way (out of crankcase) all the time, (instead of only during wide open throttle))
and this cleanside PCV breather hose is filling up with crankcase gunk, further reducing the crankcase's ability to vent the high crankcase pressure

A solution to all that ^^^ is the the $80 cfm one way vented, with 1 inch nylon ball, it will also prevent crankshaft rear main seal failure,
and then "never mind" the plugged dirtyside PCV orifice. The cleanside breather hose is easily cleaned.
BUT,
that ^^^ is after you get your engine fixed.
Plugged dirty side PCV
IS NOT ROOT CAUSE of engine oil consumption


https://static.nhtsa.gov/odi/tsbs/20...90101-2280.pdf

(In link above, on page 4 , you can see a picture of a 1/16 inch diameter drill bit inside the dirty PCV orifice
And...... cleanside hose (( top of page 3, #1 in link above)
+++++++++++++

Root cause is GDI engines, which eventually will consume oil when carbon deposits (like lava rock) that accumulates on intake valves falls of into combustion chamber, .... resulting in oil consumption.....
then unknowingly folks drive cars even though their engines have low oil, and everything in the timing chain system is at risk of failure and then engine is at risk of failure.

++++++++++++
Gm always says "your vin number is not covered"
Not your problem you have the warantee

My 2 cents ^^^^
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post #9 of 26 (permalink) Old 11-07-2019, 10:45 PM Thread Starter
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****, you’re the man!

So, I still need to figure it out, do I tell them I found the oil low and added 2 quarts? Or do I drain two quarts out of it before I tow it in, or what? Don’t want to give those bastards any reason to screw me.

Quote:
Originally Posted by ThreeNox View Post
Sknudsenjr,

On 5-25-2013 Chevy started putting better quality engines with improved piston rings in cars. That is how "running changes" are done and tracked. It is the day the car is made.
Yes, engines are built in advance and existing inventory is purged, but 5-25 is the change over date...
Obviously, the new rings made no difference, as explained by several folks on this website have had the same failures again, even with new rings

Xxxxxxxxxxxxx
Do Not tell them, you were low on oil, don't volunteer the info.
Just describe the noise...
And,
You know that gdi equinox's burn oil,
That is why you keep a quart of penzoil platinum in your equinox at all times...
Along with paper towels, so you can check oil levels
Look ( point it out) its penzoil platinum
And you have your notebook.
NOW, yesterday,
You now hear noises, and you have the $3000 gm warrentee
bring it to the dealer....
And let the dealer figure it out....


(You know you need new solenoids timing chain and guides, pistons and rings.....)------play dumb!
Xxxxxxxxxx
You said
" but when I pulled the oil cap off with it running tonight I got pressure blowing out of the crankcase,"
That ^^ is probably because...
1. You have major piston blowby, worn piston rings, and scoured cylinder walls.
2. your dirty side PCV orifice which is internal to your engine, is not able to evacuate the blowby crankcase gases fast enough. The dirty side PCV orifice, probably has engine oil sludge and crankcase vapor gunk plugging up (or partially plugged up) the 2 mm in diameter by 6.35 mm in length orifice "hole" , which is molded into the nylon 6/6 intake manifold.
3. your cleanside PCV breather hose which theoretically brings fresh air from air box (after air filter and before throttle body) into crankcase,
is actually trying to vent crankcase pressure, crankcase air is flowing the wrong way (out of crankcase) all the time, (instead of only during wide open throttle))
and this cleanside PCV breather hose is filling up with crankcase gunk, further reducing the crankcase's ability to vent the high crankcase pressure

A solution to all that ^^^ is the the $80 cfm one way vented, with 1 inch nylon ball, it will also prevent crankshaft rear main seal failure,
and then "never mind" the plugged dirtyside PCV orifice. The cleanside breather hose is easily cleaned.
BUT,
that ^^^ is after you get your engine fixed.
Plugged dirty side PCV
IS NOT ROOT CAUSE of engine oil consumption


https://static.nhtsa.gov/odi/tsbs/20...90101-2280.pdf

(In link above, on page 4 , you can see a picture of a 1/16 inch diameter drill bit inside the dirty PCV orifice
And...... cleanside hose (( top of page 3, #1 in link above)
+++++++++++++

Root cause is GDI engines, which eventually will consume oil when carbon deposits (like lava rock) that accumulates on intake valves falls of into combustion chamber, .... resulting in oil consumption.....
then unknowingly folks drive cars even though their engines have low oil, and everything in the timing chain system is at risk of failure and then engine is at risk of failure.

++++++++++++
Gm always says "your vin number is not covered"
Not your problem you have the warantee

My 2 cents ^^^^
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post #10 of 26 (permalink) Old 11-08-2019, 08:13 AM
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If you arrive with the oil being 2 quarts low, who do you think they will blame for being negligent? You decide.
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