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Discussion Starter · #1 ·
So my crv has what appears to be a transmission issue. It has a clunking hard downshift into first when stopping but only after the car has been driven for a while. It seems to be related to temperature because it didn't do it in the winter. Have already changed the fluid, drove then changed again (did this three times to approximate a flush) and have put an additive in which hasn't seemed to have any effect. It's been doing this since I bought the car last summer and hasn't seemed to get worse but it's tough to say for sure. The other thing I've noticed is that if I try to slam on the gas from a stop it makes a kind of growling sound and there's vibration from under the car. When this is happening its not taking off like i would expect. Has never had the check engine light pop up. I had it seen by a mechanic I think 5 separate times before it was even diagnosed as a transmission issue. The response I kept getting was the differential mount and bushings so I had those replaced which had zero effect. At this point I'm planning to take it to a transmission specialist but I was thinking maybe someone had some thoughts/experience to direct the inspection. After having my car looked at so many times with no answers my faith that this time will be it is pretty low.
 

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Discussion Starter · #3 ·
Not seeing ant tranny codes? Seems lot of owners clean the linear valves. You could try that as a maintenance thing..
I haven't checked the codes myself, I'm assuming that should have been something the shops did at least one of the times it was in. I'll make a point to do so before bringing it in again though. As far as the linear valves, is that the same thing as the valve body? (Not super car literate) I was trying to get some idea with Google searches and one of the things I saw was that the valve body could be a culprit.
 

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Everything in Moderation
2006 CR-V EX, 5MT
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12,199 Posts
I'm sorry to hear that you resorted to an additive. Shouldn't have done that. Honda DW-1 is the only thing you should put into the transmission.

How many miles on your V, and what service history do you have?

It sure SEEMS as if one of the shift solenoids is malfunctioning (or has a blockage in its gasket/screen). You cannot assume that these would have been checked by a shop. If a shop was going to remove those to look at them, they would undoubtedly have asked you to pay for replacements. A transmission specialist MIGHT remove & inspect the solenoids, but in my experience they will want to rebuild or replace the trans. $$$$ again.

A possible action would be to install (unknown quality) replacements from a junkyard or Car-Part.com, to see if the issue changes. Otherwise the parts will cost $$$$ from a dealer. (Items 7 & 5 and gaskets). It is a gamble, though.





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BTW, just thinking 'out of the box', but if your V is AWD the REAR diff fluid might need to be replaced. Again, they need to use the specified fluid, Honda Dual Pump II.
 

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Discussion Starter · #10 ·
I'm sorry to hear that you resorted to an additive. Shouldn't have done that. Honda DW-1 is the only thing you should put into the transmission.

How many miles on your V, and what service history do you have?

It sure SEEMS as if one of the shift solenoids is malfunctioning (or has a blockage in its gasket/screen). You cannot assume that these would have been checked by a shop. If a shop was going to remove those to look at them, they would undoubtedly have asked you to pay for replacements. A transmission specialist MIGHT remove & inspect the solenoids, but in my experience they will want to rebuild or replace the trans. $$$$ again.

A possible action would be to install (unknown quality) replacements from a junkyard or Car-Part.com, to see if the issue changes. Otherwise the parts will cost $$$$ from a dealer. (Items 7 & 5 and gaskets). It is a gamble, though.





++++++++++

BTW, just thinking 'out of the box', but if your V is AWD the REAR diff fluid might need to be replaced. Again, they need to use the specified fluid, Honda Dual Pump II.
Dang well hopefully I didn't mess anything up, I saw someone suggest the additive on a different Honda forum and it solved what sounded like a similar issue. It hasn't seemed to change anything so fingers crossed, gonna drain it out and replace again soon. Has 142k miles, don't have the service history but it was very clean when I bought it. Actually brought a mechanic friend with to inspect it before I purchased and he thought it was a good vehicle. Of course then driving away it starts doing that clunk thing 😬 the differential fluid seems like it's worth trying. As far as the solenoids my understanding was that there's quite a bit of labor involved there that's way outside of my knowledge level so I'd probably have to have that done by a shop anyway 😕 Any ideas why it would only do it after driving 15-30 miles when it's warm out? I was hoping that might be a kind of smoking gun, it's just so specific.
 

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Everything in Moderation
2006 CR-V EX, 5MT
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12,199 Posts
Any ideas why it would only do it after driving 15-30 miles when it's warm out?
My theory is that the pressures are less when the ATF fluid is warm. So, that is when you experience the issue.

Our V is a manual, my only experience with the AT solenoids was on an Acura TL. On that car, they were easily accessible (once the battery tray and air cleaner was removed). They are bolted onto the OUTSIDE of the transmission, after all.


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BTW if its mostly the clunk thing that bothers you, inspect the motor/transmission mounts.
 
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