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Discussion Starter · #1 · (Edited)
Cliff notes: very babied SE 2016 2WD with 30k miles - vibration in drive at a traffic light, sluggish acceleration - fluid looked and smelled bad and had LOTS of metal shavings in it. After only 1 drain/refill vibration is gone and acceleration improved.

Background:
2016 SE 2WD, 29500 miles, mostly suburban driving - 20-45mph, 10-15 miles - one way trips, never sport or eco mode, never towed anything, seen snow or any big hills/mountains. RPM seldom reached 3200, never exceeded 5000. Its our baby/wife car so its driven very gently.

Maintenance minder has been largely ignored (oil life 20-30% when changed) - engine oil change and tire rotation every 5k, cabin and air filter every 15k/1 year.

Recently, when in drive with AC and waiting at a light, RPM started falling too low and the "shakes" began ?! I brought the V to Honda and they did loosen and tighten the engine mounts-did not cure the vibration.

Later on it felt like the cvt drone was becoming more pronounced and acceleration more sluggish.
I decided that drag in he cvt is the culprit for the shakes so a change of transmission fluid was in order. 4 quarts=$45.

It's one of the easiest maintenance items I have ever dealt with.
Look at pictures 1,2,3! Naively,I thought that the drain plug is of some fancy Honda design that creates turbulence etc. NOPE, it was metal shavings, arranged in waves on its surface
The "crush" washer on pic 3 is aluminum, not copper, therefore is reusable x 6 - per Honda Master Mechanic -otherwise, $1-3 on Amazon.
Look at pics 4,5 and 6. In 4, do you notice the gray area in the oil spot? Its concentrated metal shavings-so many in fact that in 5 and 6 I was able to lift the corner of the towel with a small magnet
((

Once the fluid started going, the garage filled up with a heavy somewhat burned smell. The fluid was VERY dark and cloudy, no water or other visible contaminants noted-shown in the pics in a transparent jug filled to the top.

The whole thing took about 2 hours (I take my time with maintenance,ok

I didn't even know what tools, order of operations and other things I am doing/needing.
Pic 7 shows the right fluid for our cvt - 3.9 quarts for 2WD.
Pic 8 is my fancy funnel-o-matic device that made my life MUCH easier-thank God for electrical tape and zip ties.
Pic 9 and 9a are all the tools and supplies I needed / used, minus some Costco microfibers and a drain pan.

The rest of pics are self explanatory.

Lessons learned: need two more drain and refills ASAP! I will send a sample of the old fluid to Blackstone just out of curiosity! After I saw what came out of the CVT this time I am convinced the maintenance minder is useless in my case.
Going forward - drain and refill x 3 every 20k miles.
After the refill, the low rpm vibration in drive while stopped is gone, acceleration felt faster and the droning was WAY less noticeable.
Hope this thread helps somebody who was as annoyed with the shaking, clueless or both, like I was

There is an unfortunate limit of 6 pics per thread so look below in reply 2 and 3
 

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Discussion Starter · #2 · (Edited)
Cliff notes: very babied SE 2016 2WD with 30k miles - vibration in drive at a traffic light, sluggish acceleration - fluid looked and smelled bad and had LOTS of metal shavings in it. Post only 1 drain/refill vibration is gone and acceleration improved. Look in previous post for full info.
 

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Discussion Starter · #3 ·
Part 3 - location of drain plug relative to the front of vehicle, left over fluid from the 4th bottle, backed out "check" bolt and a clear jug of nasty cvt fluid after only 30k miles...
 

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2013 CRV EX FWD
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Impressive write up. Good job!


Sent from my iPhone using Tapatalk
 

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That is a Real Shocker. I can't believe the black fluid that came out
of your car with 30,000 miles. What the heck did they fill it with?
I think mine is a 5 speed auto and I just serviced it the other day and
the drain fluid was Pink. I have never had any metal shavings on
my drain plug.

When is the 1st drain & refill supposed to done on your car?
I'd save that fluid and show the Honda Service Dept. in case
you have trouble on down the line.
See if you can get them to document this in writing.
Words and Stories won't mean a thing if warranty questions arise.

With fluid like that & Burnt smells, damage could already be done.
Do everything by the book and everything in writing.

Personally, I'd drive the car for a day or two and do a Trans service again.
Do it until the fluid is the right color.
Then stay on top of it from now on.
 

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Discussion Starter · #9 ·
That is a Real Shocker. I can't believe the black fluid that came out
of your car with 30,000 miles. What the heck did they fill it with?

Mystery:) but it turns black in less than 30k miles.

I think mine is a 5 speed auto and I just serviced it the other day and
the drain fluid was Pink. I have never had any metal shavings on
my drain plug.

When is the 1st drain & refill supposed to done on your car?

Its done according to the maintenance minder. I have not had a message requiring that service as of yet. Members share they see that message at 50+K miles.

I'd save that fluid and show the Honda Service Dept. in case
you have trouble on down the line.
See if you can get them to document this in writing.
Words and Stories won't mean a thing if warranty questions arise.

Great idea, unfortunately I am outside of warranty (3+ years now) and didnt think about doing that service prior to expiration of warranty so no luck documenting anything of significance I guess.

With fluid like that & Burnt smells, damage could already be done.
Do everything by the book and everything in writing.

Personally, I'd drive the car for a day or two and do a Trans service again.
Do it until the fluid is the right color.
Then stay on top of it from now on.
Thank you, we think alike, I will pick up 8 more quarts on Tuesday and have at it next weekend again:)
 

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Discussion Starter · #10 ·
Unfortunately, vibration came back the following day after the first drain/refill. Strangely, it was when AC was not on, the car was in "drive" at a traffic light. It was also "self curing" as the moment RPM went too low and the car began vibrating the ECU raised the rpm. Then they went too low again and ecu intervened again and so on. That was not the case prior to first drain/refill. I am not sure what causes that behaviour. Today I did a second and third drain/ refill - 120 miles after the initial. Noticed much weaker burned smell. Pictures show the difference in color and transparency of fluid after each drain/refill.
When I test drove the car after all was said and done, I noticed that transmission goes in "reverse" with very gentle "tap" rather than the noticeable "thump" from before fluid service. Also the acceleration feels more effortless - the same rate as before but at around 3000rpm rather than 4600rmp.

Going forward-3 drain/refills every 25-30k miles will be my maintenance interval. Will send a test sample to Blackstone labs after 20k to verify my visual, smell, seat-of-pants meter impressions:)
 

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Unfortunately, vibration came back the following day after the first drain/refill. Strangely, it was when AC was not on, the car was in "drive" at a traffic light. It was also "self curing" as the moment RPM went too low and the car began vibrating the ECU raised the rpm. Then they went too low again and ecu intervened again and so on. That was not the case prior to first drain/refill. I am not sure what causes that behaviour. Today I did a second and third drain/ refill - 120 miles after the initial. Noticed much weaker burned smell. Pictures show the difference in color and transparency of fluid after each drain/refill.
When I test drove the car after all was said and done, I noticed that transmission goes in "reverse" with very gentle "tap" rather than the noticeable "thump" from before fluid service. Also the acceleration feels more effortless - the same rate as before but at around 3000rpm rather than 4600rmp.

Going forward-3 drain/refills every 25-30k miles will be my maintenance interval. Will send a test sample to Blackstone labs after 20k to verify my visual, smell, seat-of-pants meter impressions:)
What was the purpose of backing out the check plug? How is the car performing now? My wife has a 2016 and the vibration at stop lights comes and goes. Some days, its fine. Also, what is the recommended interval for fluid replacement... thanks!
 

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I may be off base here but I believe not; I noticed almost immediately after taking possession of my 16 CRV that occasionally (but only while sitting at a full stop) I felt a slight vibration. I also noted the engine was idling at about 600 RPMs; just touching the gas pedal a bit brought the RPMs up to about 800 and the vibrations consistently went away.

I suspect this is another way Honda is trying to up the MPGs; I've come to accept/ ignore it.

I'm loving the MPG's this buggy is giving me.
 

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mine has never gone below 700. '15 EX w/59,000. 750 to 775 99.999% of the time. Low idle rpm and associated vibration is one of the symptoms of carbon buildup on the intake. With previous vibration issues with this same vehicle (and mine) it may cloud the issue some. Look into a throttle body - intake cleaning.
 

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I may be off base here but I believe not; I noticed almost immediately after taking possession of my 16 CRV that occasionally (but only while sitting at a full stop) I felt a slight vibration. I also noted the engine was idling at about 600 RPMs; just touching the gas pedal a bit brought the RPMs up to about 800 and the vibrations consistently went away.

I suspect this is another way Honda is trying to up the MPGs; I've come to accept/ ignore it.

I'm loving the MPG's this buggy is giving me.
I think that's vibration experience, ie erratic happening only sometimes not always, is pretty normal.

I disagree on the claimed carbon build up due to its erratic nature. But agree with another poster elsewhere who said its due to the very fast creep that these transmissions have. Sitting at idle allows this energy to build up, dragging Revs down.

The only solution to it in my book is for Honda to program the transmission to shift into neutral when stopped then go into drive after you release the brake pedal. But like a start stop system without the engine stopping.

Then people might complain that it takes forever for the car to shift into D......
 

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To the OP; nice write up. If you're willing to do that, I'm sure you wouldn't mind a simple throttle body cleaning. It is true it's very unlikely needed. I comment based on what you showed us came out of your transmission. Wow, that was 10 times dirtier than it should have been. So if it aint rainin, howlin, hailin, floodin, or 115 in the shade, maybe give it a try.
 

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Discussion Starter · #18 · (Edited)
Unfortunately, vibration came back the following day after the first drain/refill. Strangely, it was when AC was not on, the car was in "drive" at a traffic light. It was also "self curing" as the moment RPM went too low and the car began vibrating the ECU raised the rpm. Then they went too low again and ecu intervened again and so on. That was not the case prior to first drain/refill. I am not sure what causes that behaviour. Today I did a second and third drain/ refill - 120 miles after the initial. Noticed much weaker burned smell. Pictures show the difference in color and transparency of fluid after each drain/refill.
When I test drove the car after all was said and done, I noticed that transmission goes in "reverse" with very gentle "tap" rather than the noticeable "thump" from before fluid service. Also the acceleration feels more effortless - the same rate as before but at around 3000rpm rather than 4600rmp.

Going forward-3 drain/refills every 25-30k miles will be my maintenance interval. Will send a test sample to Blackstone labs after 20k to verify my visual, smell, seat-of-pants meter impressions<img src="http://www.crvownersclub.com/forums/images/smilies/smile.png" border="0" alt="" title="Smile" class="inlineimg" />
What was the purpose of backing out the check plug?

Check bolt is backed out to ensure "slow and gradual drip". First time I undid it quickly I achieved a rapid and unpleasant splash<img src="http://www.crvownersclub.com/forums/images/smilies/smile.png" border="0" alt="" title="Smile" class="inlineimg" />


How is the car performing now?
I haven't had the chance to do kore driving but the initial road test showed marked improvement.

My wife has a 2016 and the vibration at stop lights comes and goes. Some days, its fine. Also, what is the recommended interval for fluid replacement... thanks!
There is no recommended interval-its called for by the maintenance minder. Members share that the message pops up around 50-60k miles.
 

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Discussion Starter · #19 ·
One of the symptoms of carbon build up in the intake is low idle at a stoplight in "D".
That might be the reason...I use only top tear gas and techron cleaner every 3k miles. But the motor being gas direct injection, carbon build up in the intake area is very likely...
 

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Discussion Starter · #20 · (Edited)
To the OP; nice write up. If you're willing to do that, I'm sure you wouldn't mind a simple throttle body cleaning. It is true it's very unlikely needed. I comment based on what you showed us came out of your transmission. Wow, that was 10 times dirtier than it should have been. So if it aint rainin, howlin, hailin, floodin, or 115 in the shade, maybe give it a try.
Thank you, I am considering the intake cleaning but time is a huge constraint in my case. It is our baby car so my wife cannot have it not running for more than a day on the weekend. Will research the cleaning procedure and see if it is feasible to do at home. If not, might need to bring it to the dealer and let them do it. In any case, I would be very surprised if the intake is hideous inside. But you never know. Honda hasnt built GDIs for long so exact behavior is hard to predict.
My other car has the same mileage GDI engine and is a brand notorious for carbon build up and all other kinds of picky maintenance and demands OEM parts and mostly dealership service (for example: you need a special scan tool to register a battery, can't just physically replace it and be ok) yet is purring like a kitty...
 
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