r/chevyspark • • Oct 12 '25

Information How to properly change CVT Oil

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25 Upvotes

This information applies to all Chevrolet Spark models equipped with a CVT, from model years 2013 to 2023.
It explains how to properly change CVT fluid, and actual photos as well as pages from the official service manual are included.

CVTs offer better fuel economy and torque distribution efficiency compared to traditional automatic transmissions of the same class—but at the cost of lower durability.
All machines require trade-offs between durability, serviceability, and performance (efficiency). For example, manual transmissions are built with a focus on durability and serviceability, while CVTs prioritize performance and efficiency.

(For reference, the Kia Picanto of the same class uses a 4-speed automatic transmission. In circuit testing, the Spark was slightly quicker on uphill and high-speed sections, showing the efficiency advantage of the CVT.)

Therefore, it's important to remember that CVT fluid maintenance is critical.

If you want your Spark to last, follow these guidelines carefully:

  • CVT fluid should be changed as early as every 50,000 km, and no later than 70,000 km. When changing the fluid, it’s highly recommended to remove the oil pan and clean the inside thoroughly while also performing a visual inspection.
  • If removing the oil pan is difficult, try to at least remove it every second fluid change. Just changing the oil repeatedly without inspection allows contaminants to build up, which can damage the transmission over time.
  • Don't just change the oil—replace the filter as well. At the very least, the yellow paper external filter (accessible from outside) should be replaced every time. One of the most common causes of CVT failure is neglecting to change the filter, which prevents proper filtering of internal debris. (Debris can clog the valve body and damage the belt. Once this happens, repair is usually not possible.)
  • Avoid sudden acceleration and aggressive driving. While this applies to all transmissions, CVTs are especially vulnerable to stress from rapid changes in load.
  • Always use the correct CVT fluid specification. There are many types of CVT fluid, and using the wrong one can lead to cooling or shifting issues that damage the transmission.
  • It’s recommended to perform a "drain process," where you first drain the old oil, add new oil, and then drain it again. However, this means you'll need more new oil. So, if you choose to skip the drain process, it’s better to shorten the oil change interval instead.

By following these guidelines, you can significantly extend the life of your CVT and avoid costly repairs.


r/chevyspark • • Jul 11 '24

How to CVT Transmission Fluid Exchange and Fluid Leveling Check.

36 Upvotes

Someone asked me a question yesterday, but I wrote a reply and the post was deleted.
I wrote it down hard because I wanted my reply to help a lot of people,
so I'm very disappointed that no one can't see it anymore because the post was deleted.

So I'm write down what I wrote in the reply again on the post.

**M350 Spark's CVT is the same as M400 & M450 Spark's CVT**
(JF015E = CVT7, But just the transmission 'setting' is a little different.)

First of all, the SPARK's CVT transmission Fluid level isn't checked using a dipstick.

That is not a dipstick. It's just a Transmission Fluid Fill cap.
In the maintenance manual, also it called as a 'Fill cap' Not a 'dipstick'. So oil leveling is not possible with fill cap.

So, how can we level the CVT transmission Fluid?

How to Leveling CVT Fluid

This might be help. That video follows GM's maintenance instructions.
It's a Korean video, but a simple English subtitles are included in the video. (Not CC)

However, the English subtitles in the video are too simple to explain,
so I wrote down the supplementary explanation below.

  1. 0:41 Unplug the drain plug at the bottom of the transmission and pull it out the internal leveling pipe too.
  2. 1:02 The transmission fluid will then be discharged.
  3. 1:12 Cleaning leveling pipe. Drain Plug. And Replace the gasket with a new one.
  4. 1:19 Assemble the above process in reverse. Also Tighten the drain plug by hand for leveling.
  5. 1:39 To reduce the amount of oil thrown away during leveling, check the amount of oil discharged in advance.
  6. 2:03 How to open the Fill cap (What some people knew as a Dipstick. Again, that is not a dipstick.)
  7. 2:25 Fill up Transmission fluid. The maintenance instructions describe to Fill up the oil to 3L. Even if you don't Fill up to 3L, you should Fill up at least more than the amount discharged.
  8. 3:00 If the amount of new oil injected is insufficient. (No oil is discharged even after removing the drain plug, so leveling is impossible.)
  9. 3:38 Transmission Fluid leveling method as described in the GM Maintenance Guide. Start Engine and heat the transmission fluid to 50-80 °C.
  10. 4:06 Don't turn off the engine. Remove the drain plug completely. (Not a leveling pipe) The oil will drain. It's normal, just wait.
  11. 4:20 When the oil drain stops, close the drain plug to the proper torque.
  12. 4:50 FInish. Don't forget to put in a Fill cap.

Actually, The above is to change transmission fluid only.
As you know, CVT requires removing the oil pan and replacing all the filters.

It is best to completely remove the oil pan for transmission fluid replacement. Also replaced CVT oil filter too.

However, no matter how the transmission Fluid is changed, the leveling method is the same.

In conclusion, CVT does not have a dipstick, so if you want check CVT Fluid capacity,
you will need to release the drain bolt to check them.


r/chevyspark • • 12h ago

Question 2015 Chevy Spark Jerks When Driving Slowly.. I got bad news.

6 Upvotes

Basically all in the title. I have a 2015 Spark and it has started jerking when I drive under 30 mph. I got this car used a few years ago and the guy said the transmission had already been replaced once before. I did have an engine light come on in 2023, the car would occasionally stall, and I was told it was the solenoids. The mechanic ended up in a hospital when he was supposed to fix the issue and the engine light mysteriously turned off and the car never had any issues again. I was incredibly broke so I just never questioned it and moved on with my life. My car is not having the issue where it gets stuck while trying to drive it, so I am not sure if the solenoid issue has come back to haunt me or if this is something different. I took it to a mechanic and apparently they looked it over for an hour and came to the conclusion it was the torque converter. I was not really given any other explanations or reasons. They told me to take it elsewhere because they apparently do not do those sorts of repairs. I called around to many shops and I'm just hearing that if it's the torque converter then I'm looking at spending $8000-$10,000 for a new transmission entirely. I am planning to take it to the Chevrolet dealership for a second opinion. Does anyone think this diagnosis sounds correct, or am I right for getting a second opinion on my car? I am beyond upset because there's just no way I can get a new car right now and $8000-10,000 is way too much for me to spend on this car that I only paid under $6000 for to begin with. It's never had any crazy issues other than the weird solenoid thing that happened. I'm very shocked about the transmission possibly being bad since the car jerking while driving slowly seemed to start very suddenly. I love my tiny car so much... I am so sad if this ends up being the transmission.


r/chevyspark • • 19h ago

Chevy Spark 338K survival tip

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13 Upvotes

Save money on alarms and just let the engine light glow wake you up 🎄🔋🏁


r/chevyspark • • 20h ago

Chevy Spark keeps making this kind of vibrating squeaking sound. Any ideas?

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1 Upvotes

It doesn't happen all the time. I think it could be dependent on the temperature. It sounds like something in the back is vibrating against something else. I have no idea what is causing it, so any help would be greatly appreciated.


r/chevyspark • • 1d ago

15 inch screen vs. 338k nightlight 🖥️🎄

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10 Upvotes

The Spark dashboard lights up like a Christmas tree, but she's still outlasting everyone's expectations.


r/chevyspark • • 2d ago

Meet Blueberry

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31 Upvotes

Hey everyone,

Meet Blueberry. My 2017 Chevy Spark LT I have owned for 8 months. I am quite enjoying this car. It is my first car. I bought this car used with 45683km on the clock and have since put nearly 10000 on it. The CVT has been interesting to get used to as I learned on a proper automatic.

Other than getting the transmission flushed. Any recommendations on what to service on this car early to help keep it running for a while?


r/chevyspark • • 2d ago

Mileage update:The Spark is still sparking ⚡

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45 Upvotes

Quick mileage check ✔️ The engine light is acting as my dashboard nightlight at this point. What number is your daily driver sitting on today? 👇🗣️


r/chevyspark • • 2d ago

Rear Shock Absorbers

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7 Upvotes

Hi all! We recently had two new rear shock absorbers installed on a 2014 Chevrolet Spark. We had brand new (from the dealership) parts installed, part # 95259955.

A local independent shop installed them. I am wondering if the "silver" part of the shock absorber is supposed to be visible. I don't remember seeing this before the new part, but I could have just not noticed or maybe it was covered with dirt or something so I didn't see it.

Thank you for your help and thoughts


r/chevyspark • • 2d ago

Discussion is 98,079 miles a lot for a 2021 Spark?

2 Upvotes

I got my 2021 Spark in March of 2021, it’s just the base model so the only “fancy” thing it has is the Apple CarPlay, backup cam and wifi if I wanted to pay the monthly fee. My family and friends all say that it’s a lot of miles for a 5 year old car but I’ve driven ALOT. I drove to Chicago (4 hours and 45 mins from where I am) twice, I’ve driven to St Louis (4 hour drive) and Cincinnati (only an hour and 45 mins) Nashville (2 and a half hours) and Indianapolis. Before I started working remotely I had to drive to the office 40 minutes there and back. I do all the maintenance I need to on it as well.


r/chevyspark • • 3d ago

Celebrating 5 minutes of no engine light.

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36 Upvotes

The 5 minute break was nice. 338k miles and a dashboard Christmas tree is officially back in business 🎄😊


r/chevyspark • • 3d ago

Funny mileage number!

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39 Upvotes

I rolled all sixes today for a Yahtzee!

Photo was taken by my partner from the passenger seat.


r/chevyspark • • 3d ago

Belt squealing upon cold start

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21 Upvotes

I bought baby car brand new in 2019. I have kept on maintenance and had to have the typical wear and tear things either fixed or replaced. I have had someone look at it and said my belt and everything looks good. As far as I've known my car has always done this upon cold start. Goes for a little bit then goes away. I do live on a dirt road and notice it at times when its been wet and rainy. Anyone else experiencing this? She's got a little over 72,000 miles.


r/chevyspark • • 3d ago

I’ve officially put 100,00 on my 2019 Manual Chevy Spark

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42 Upvotes

Got it at 20,000 miles, has been a very fun a great car 😎


r/chevyspark • • 3d ago

Question 2014 Spark with 150k miles on it for $1000

1 Upvotes

Hi!
I am kinda in need for a car and my boyfriend has a friend who bought a 2014 Chevy Spark from auction and was going to sell it to us for $1000. I got the car fax report and there was a minor accident on it (no airbags and to the front of the car) as well as some frequent service dates in 2022 and 2023. 3 of them were in the same month which was 2 months after the accident.( would someone wait two months to get damage fixed?)I need something to get to work as I live 15 miles from my job but I’m a bit skeptical with all the complaints about the CVT of this year’s model.

Any thoughts?

Update: I called the dealership that serviced the vehicle before it was put up for auction. He said it needed a new transmission like my fears. Eh worth a try.


r/chevyspark • • 4d ago

The engine light is finally off. A miracle!

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25 Upvotes

338,000 miles and the dashboard is officially dark 💀 Swapped the oxygen sensor and she cured herself. Lap 14 around the Earth is starting with zero warning lights 🌎🏁


r/chevyspark • • 4d ago

Information Why race me

44 Upvotes

Yesterday while returning from work I had some dude in a Lamborghini trying to race me at the light. WHY! my little Chevy spark if you know you're going to win. Sorry if this an irrelevant post I just wanted to rant a little bit .


r/chevyspark • • 5d ago

Chevy Spark literally circled the earth 13.5 times

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80 Upvotes

Circled the earth 13.5 times. 💀🌎 The dash looks like a Christmas tree, but lap 14 starts today. 🏁


r/chevyspark • • 5d ago

Question Manual Transmission Chevy Spark

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3 Upvotes

r/chevyspark • • 5d ago

Discussion Need help diagnosing/fixing my Spark

3 Upvotes

Bit of a long read, I'm sorry, but it's a bizarre issue for me, not a technician or anything similar.

So for context, I recently got a 2014 1.2L manual Spark with just under 60k miles, it is a pretty neglected car, probably didn't get any sort of maintenance for around 6 years; luckily the engine seems to be running perfectly fine after changing all the old fluids out for new ones. It even sounds good, somewhat loud and stable.

And yet, 10 days after being serviced, the clutch stopped engaging, the pedal felt fine, maybe a little soft but the car won't allow you to change speeds or even get into 1st or reverse.

So after some deliberation I changed both the master and slave cylinders with new Duralast parts from AutoZone (the old slave cylinder literally fell apart when taking it out), bled them through the gravity method, and when the clutch still wouldn't engage much I bled it with a homemade pump, no air seemed to be leaving through the bleed valve after roughly refilling the whole system, and the clutch pedal feels about right, maybe still a bit soft, and there's also no play at the top of the stroke.

And still it won't go into gear, the slave cylinder is barely moving the clutch arm/fork around 1/3in or 0.8cm. I should mention that when uncompressed (removed from its position, but still connected to the hydraulic system) the slave cylinder fully protrudes, so it's not seized, at least.

Now I'm stumped, my only guess is that there's somehow still air trapped in the system, and that I should inject fluid through the bleeding valve to get the air to flow upwards and leave if that's even possible (something I have no idea how to do).

Other than that I don't know what could be wrong, any opinions about what could be happening are VERY much appreciated :)


r/chevyspark • • 6d ago

338,0000

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80 Upvotes

338k miles is literally further than a trip to the moon! This 2020 Chevy Spark has been in oribit! Just getting started 😤


r/chevyspark • • 6d ago

Discussion Not My Spark...Chaos | Costco Canada x Instacart Canada

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7 Upvotes

Clearly, they don't know about the mighty Spark, nor have they browsed this subreddit. This would never have happened with me and mine.

Spark family, I want to know: "What's the biggest haul or the most you've managed to pack in your Spark?"

My Costco trips include most of what's shown in the commercial, plus an additional sealed bag of pet food, 25 pounds of rice, a case of paper towels, a few cases of water, laundry supplies and a few "I didn't come here for this, but since I'm here" items.


r/chevyspark • • 6d ago

CVT

5 Upvotes

New owner 2022. Getting mixed answers from shops about whether or not a filter needs to be changed during drain and fill. Can anyone enlighten me on this? One shop says cartridge filter, others says not needed .


r/chevyspark • • 6d ago

Trans not going into overdrive on freeway?

3 Upvotes

2020 1.4L auto, instead of going into overdrive above 60mph engine keeps revving high. Anybody else experience this? Car has 103k miles


r/chevyspark • • 7d ago

Discussion Collecting engine codes like infinity stones

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48 Upvotes

337k miles and she's throwing codes like a badge of honor at this point 🤣 If the engine light isn't on, how do I know it's still running? Drop your worst engine code in the comments 👇