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2013 2.0 cvt resurrected… briefly

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Deanbolean

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Discussion starter · #1 ·
Hello all
Just recently picked up a 2013 Jeep Patriot with the jf011e transmission recently from a friend. 1 owner all service records.

2013 Jeep Patriot latitude 2.0 A/T cvt 152k miles
Cvt was diagnosed dead, screaming whine little to no throttle response.
Codes when I got the car:

Car Scanner ELM OBD2
DTC report
Selected brand: Jeep
VIN: 1C4NJPFA8DD141277

P0506
Status: Confirmed
OBDII: Idle speed control (ISC) system - rpm lower than expected

P0730
Status: Confirmed
OBDII: Incorrect gear ratio

P0777
Status: Confirmed
OBDII: Pressure control solenoid B - stuck on

P0776
Status: Pending
OBDII: Pressure control solenoid B - performance or stuck off

So from researching these plagued transmissions found that a lot have success dropping fluid, and changing both filter.

After fluid and filter change, very minimal operating noise, no slips, no hesitation… was it really easy!?

so excited and apprehensive about my latest garage addition, I started driving it.
Daily drive to work is 33 miles one way, so I started with short trips.
Approx 200mi post “repair” I notice the CEL comes on:
This time only
P0730& p0777

being able to experience the “failure” this round I experienced
1.Very slow acceleration/throttle vs pedal position
2.Hanging in gears after 1st gear it could be feathered to shift, BUT
3. Slipping. Most all gears seemed to slip.

Even with the all other factors was still capable of getting Me home ( up to 60/65 mph at one time)

during this stop and go fiasco I did try to monitor transmission temperatures
When I thought to check it was around 205, highest was 245 ( I started using neutral to try to pull back down at that point)

So I guess I’m looking for someone that has fought this beast and won?
Really not trying to waste money… to waste more money.

Either way I expect to have to remove the transmission at minimum so really looking for more in-depth diagnostics to try and pinpoint what where and why this is failing!

so anyone knowledgeable with these transmission offer 2 cent as to what would be next suggested step?

200 : u pull gamble with ?30? Day warranty
800-1000 (guesstimate) from junkyard

or tear it down
And replace components and rebuild?
 
#2 ·
For whatever it's worth, there's literally no gears in a CVT, if that helps with what you're looking to do.
Image
 
#3 ·
Deanbolean said:
Hello all
Just recently picked up a 2013 Jeep Patriot with the jf011e transmission recently from a friend. 1 owner all service records.

2013 Jeep Patriot latitude 2.0 A/T cvt 152k miles
Cvt was diagnosed dead, screaming whine little to no throttle response.
Codes when I got the car:

Car Scanner ELM OBD2
DTC report
Selected brand: Jeep
VIN: 1C4NJPFA8DD141277

P0506
Status: Confirmed
OBDII: Idle speed control (ISC) system - rpm lower than expected

P0730
Status: Confirmed
OBDII: Incorrect gear ratio

P0777
Status: Confirmed
OBDII: Pressure control solenoid B - stuck on

P0776
Status: Pending
OBDII: Pressure control solenoid B - performance or stuck off

So from researching these plagued transmissions found that a lot have success dropping fluid, and changing both filter.

After fluid and filter change, very minimal operating noise, no slips, no hesitation… was it really easy!?

so excited and apprehensive about my latest garage addition, I started driving it.
Daily drive to work is 33 miles one way, so I started with short trips.
Approx 200mi post “repair” I notice the CEL comes on:
This time only
P0730& p0777

being able to experience the “failure” this round I experienced
1.Very slow acceleration/throttle vs pedal position
2.Hanging in gears after 1st gear it could be feathered to shift, BUT
3. Slipping. Most all gears seemed to slip.

Even with the all other factors was still capable of getting Me home ( up to 60/65 mph at one time)

during this stop and go fiasco I did try to monitor transmission temperatures
When I thought to check it was around 205, highest was 245 ( I started using neutral to try to pull back down at that point)

So I guess I’m looking for someone that has fought this beast and won?
Really not trying to waste money… to waste more money.

Either way I expect to have to remove the transmission at minimum so really looking for more in-depth diagnostics to try and pinpoint what where and why this is failing!

so anyone knowledgeable with these transmission offer 2 cent as to what would be next suggested step?

200 : u pull gamble with ?30? Day warranty
800-1000 (guesstimate) from junkyard

or tear it down
And replace components and rebuild?
Click to expand...
The main flow control valve inside the pump may be failing due to scoring (from dirty fluid contaminated with tiny metal bits) and cause the symptoms you're experiencing.

The video below explains:



If you have an android device, you might try downloading a copy of CVTz50 and see what the pressures are:

 
Discussion starter · #5 ·
Sandstone said:
The main flow control valve inside the pump may be failing due to scoring (from dirty fluid contaminated with tiny metal bits) and cause the symptoms you're experiencing.

The video below explains:



If you have an android device, you might try downloading a copy of CVTz50 and see what the pressures are:

Click to expand...
Great input! Nice to see there are a few more common issues that won’t cost me half my soul 😅!!
Your normal transmission tear down isn’t as much of an intimidating task these days… so I was a little relieved that the cvt is much easier/ less components. thank you!

Also, sweet plug on the app I’ll have to fire up one of my android devices and see what it’s all about!

Sandstone said:
And BTW, welcome to the forum!
Click to expand...
thank you

Seeing as I’m going to be breaking the housing at 152xxx miles
I’m currently thinking of just getting a

$150/200 Refurbished Valve body w/ solenoids
$80/100 master gasket set
$40/60 pump flow control repair kit
$200 bearings x4
$120 Chain belt

is this overkill?
Are there any other components suggested that’s actually inside the housing?

conservative estimate@ around $1000 (of course would like to add a secondary filter and upgraded cooler

pretty much at the cost of a junkyard mystery pull with the piece of mind that it’s been gone through

Thoughts?
 
#6 ·
If I had the place, time, tools, and ability I'd do a rebuild over a junkyard pull unless the donor vehicle is super low miles, like less than 30k. But that's probably going to hard to find.

A few other tidbits of info:

ATSG offers a CVT repair guide you can check out:

Here's another parts source if you need it:

Shop Jatco Transmission Parts by Model | Cobra Transmission

Are you looking for the best place to buy Jatco transmission parts? Shop Jatco Transmission Parts by Model at Cobra transmission.
cobratransmission.com cobratransmission.com

We've had at least one member here R&R a cvt, here's his thread and vids:
www.jeeppatriot.com

'09 Patriot CVT Removal, Rebuild and...

Making videos of the cvt trans removal, rebuild and reinstall, if all goes well anyway, haha! I didnt find much info out there, so Ill try to document the process as I go along. Hope this helps someone! Enjoy! Next vid will be taking the trans apart, and seeing if I can figure out whats wrong.
www.jeeppatriot.com www.jeeppatriot.com

Also, here's some info on pressures from Sonnax:
www.sonnax.com

CVT Success: In-Vehicle Isolation of Common Problems

All transmission models have unique problems that are common to that model; Jatco CVT units are no exception. Technicians are facing an uphill battle when it co
www.sonnax.com www.sonnax.com

Image



Whatever you decide to do, post back and let us know.
 
Discussion starter · #8 ·
Just what I was looking for I believe
Thank you so much

btw I already had the manual on the way lol

time: not a pressing issue at the moment
Tools: me and my brother buy tools for no reason, and he works for a “big box”
Place: single male, live alone, I got a few rooms I could spare to a 1/2 month project
 
#11 ·
Deanbolean said:
Just a thought
If I could get a legitimate flush would that be a reasonable task to consider before pulling?
Click to expand...
Thanks for the edit, makes much better sense now...lol :)

As far as a flush goes, if it's the flow control valve not holding pressure due to scoring then I doubt a flush would make any difference.

I would try checking the pressures with CVTz50 first and see if you can get a better handle on what's happening.

A couple other things I would look into on a rebuild, I don't know if you watched the first vid all the way, but IIRC somewhere in there he talks about a pin kit to replace the ball bearings in the variators. Unless they've run into recent problems with those pins, that's something I would do.

I would also look into seeing if there's a way to add more rings to the belt ring pack, maybe get it to the same level as the ring packs in the CVT used in the V6 Murano (higher torque).
Vid below explains.


There might be other new enhancements that I'm not aware of that WIT, etc. or ATSG could recommend, so I might contact them before I went ahead.
 
#14 ·
Welcome! Yes, @Sandstone is an amazing resource.

I do little stuff, but I'd never venture into a transmission unless I had lots of time, no pressure to get it done, and someone coaching me all the way through it.

Just my 2c worth, but I'd strongly recommend against a junkyard tranny. There's a good possibility that a tranny failure might be why it's in the junkyard in the first place. Not Jeeps, but twice I had factory rebuilt GM trannies and they worked fine.
 
Discussion starter · #16 ·
So a slight update,
hook the battery up, fired right up, let it warm up a little, and took off to the store (2mile round trip MAX)
Half mile in CEL ones on and didn’t wanna leave 1st gear
Cut it off at store
Leaving the store throttle was very responsive… 🤦‍♂️Never left 1st gear again, ran almost red line to get home

so I’m taking a different approach hahaha
Gonna remove and tear down the best I can… take it to a specialist
Pay for a “repair quote”
Then do the work myself…

Im blown away that almost ever component is sealed inside, requiring full trans removal who designed this thing! Lol
 
#18 ·
RossoRacer said:
For whatever it's worth, there's literally no gears in a CVT, if that helps with what you're looking to do.
View attachment 95941
Click to expand...
I’m just a mom trying to find the part for my teenagers car, which was discontinued and I can find no dimensions on. Any info you might know would be great. It’s the input seal on the transfer case. 2011 Jeep Patriot
 
#20 ·
jessmarinella said:
Any info you might know would be great. It’s the input seal on the transfer case. 2011 Jeep Patriot
Click to expand...
If the part's out of stock at the dealer, I'd try doing a search on the part number; Amazon or Ebay might have one listed.
 
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jessmarinella
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