How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic? - Jeep Garage - Jeep Forum

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  #1  
Old 05-10-2015, 06:34 AM
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How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

I can't find a dipstick, and nothing in the owners manual about checking it. It only says what type to use. Am I missing something here?

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Old 05-10-2015, 06:52 AM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

Quote:
Originally Posted by billt View Post
I can't find a dipstick, and nothing in the owners manual about checking it. It only says what type to use. Am I missing something here?
There is no dipstick, you can't check the fluid level, it is a 'fill for life' transmission.
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Old 05-10-2015, 07:24 AM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

Quote:
Originally Posted by ChuckBruce View Post
it is a 'fill for life' transmission.
Then one can only hope it's a long one.
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Old 05-10-2015, 08:50 AM
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Quote:
Originally Posted by billt View Post

Then one can only hope it's a long one.
Though it states fill for life the fluid and fiter pan are changeable. The service manual has the process for fluid fill and check. Its nothing id mess with checkiing unless you are changing it or there is a leak or issue. I personnely dont trust fill for life anything if you plan to keep it to 200-300k miles so that will likely be a 100k item on my list. Its an expensive change the pan filter and fluid alone are around $500 just for the parts then put dealer labor on and some people were saying near $1000, crazy isnt it lol.
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Old 05-10-2015, 09:42 AM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

Quote:
Originally Posted by silvermax04 View Post
Though it states fill for life the fluid and fiter pan are changeable. The service manual has the process for fluid fill and check. Its nothing id mess with checkiing unless you are changing it or there is a leak or issue. I personnely dont trust fill for life anything if you plan to keep it to 200-300k miles so that will likely be a 100k item on my list. Its an expensive change the pan filter and fluid alone are around $500 just for the parts then put dealer labor on and some people were saying near $1000, crazy isnt it lol.
It's absolutely insane. A lot of this type of stuff has been turned into pure piracy by these dealerships. Perhaps as time goes on and more of these vehicles are in service, aftermarket parts will become more available allowing the owner to do it himself. I don't normally like to mess with automatic transmissions because it can become a really messy job. But for $1,000.00 I'll learn!
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Old 05-10-2015, 10:19 AM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

I remember the first "fill for life" transmission I had was on my wife's '06 Mini Cooper S. I asked the BMW service advisor what they consider "lifetime" and the answer was 100K miles. There were service procedures for changing the fluid, but it definitely was beyond the "routine" level of service.
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Old 05-10-2015, 10:32 AM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

"Fill For Life" = "Filled Until Failure". $$$$$$$$
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Old 05-10-2015, 11:31 AM
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Since its fill for life and states no change necessary with normal use then if you have maxcare lifetime let it fail and they buy you the new trans instead of you paying $1000 for a fluid service, right lol
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Old 05-10-2015, 01:31 PM
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Mercedes tried this starting back in 1996 with the 722.6 (known around Mopar parts as the NAG1). Originally was filled for life, but after many failures before the vehicle's "lifetime" they changed their tune to a 60k mile interval. When maintained, the 722.6 is a legendary transmission.

Considering how long this transmission stays in lockup in this application, normal use should warrant a change at probably 100k miles.
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Old 05-10-2015, 04:20 PM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

It really isn't that bad other than German over priced engineering.

The filter is incorporated into the pan. There is a fill port above the side of the pan.

Where we need vaselins is the price of the fluid, 43$ per qt! list at the dealer. even if you can get a break on the price, your still looking at 25$ a qt. Takes 8-9 qts and the pan/filter is 400 sh list.

I am going to search around see what kind of deal I can get on the fluid and the filter. Around 10K I will drain the fluid and let it drain a couple days and measure how much came out, drop the pan and measure any that was still in the pan. Replace and refill with same amount. That should flush all the wear metals out. I would guess then onc can either do drain and fills or full services. I would hope by then we will have a feel for what types of service intervals these need.
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Old 05-10-2015, 05:07 PM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

Does this thing have a drain plug for the transmission? I haven't crawled under it yet. To be honest, I'm afraid of what I'll find.
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Old 05-10-2015, 05:08 PM
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Re: How Do You Check The Trans Fluid In The 2015, 8-Speed Automatic?

Since you asked....





To properly check and fill the transmission, perform the following procedure:

WARNING: There is a risk of accident from vehicle moving when the engine is running. Secure vehicle to prevent it from moving. There is a risk of injury from contusions and burns if you insert your hands into the engine when it is running. Do not touch hot or rotating parts. Wear properly fitted work clothes.

CAUTION: A unique transmission fluid has been developed for the 8HP transmission. This fluid is NOT compatible with ATF+4 or any other current Chrysler transmission fluid. For specifics about this unique fluid see FLUIDS, LUBRICANTS AND GENUINE PARTS .


NOTE: Oil dye is not required to find leaks in the 8HP transmission. The oil dye can cause shift quality issues and is not recommended. The 8HP fluid has illuminance that is visible under a black light.
  1. Raise and support the vehicle on a level hoist (Refer to 04 - Vehicle Quick Reference/Hoisting - Standard Procedure) .
  2. Start the engine. The engine must continue to run for the entire test.
  3. AWD vehicles only: If necessary, remove the front propeller shaft (Refer to 03 - Differential and Driveline/Propeller Shaft/Removal).
  4. AWD vehicles only: Using a scan tool, enable Emissions Rolls Test Mode in the PCM.
  5. Using a scan tool or the vehicle information center, verify that the transmission fluid temperature is below 30C (86F).
  6. Disable traction control (ESC).
  7. Remove the fill plug from the right rear of the transmission case.
  8. Add transmission fluid until it trickles from the fill opening.
  9. Install the fill plug.
  10. Lower the vehicle for access to inside of the vehicle, leaving the tires at least 8 inches off the ground.
  11. With the brakes applied, place the transmission in Reverse and hold for 5 seconds.
  12. Place the transmission in Drive and hold for 5 seconds.
  13. Release the brakes, slowly accelerate to 2nd gear and hold for 5 seconds.
  14. Apply the brakes and place the transmission in Neutral.
  15. Raise the engine speed to 2000 RPM for 5 seconds.
  16. Return the engine to idle and place the transmission in Park.

    NOTE: A full transmission will have fluid at the fill hole with the transmission between 30C (86F) and 50C (122F). Do not over fill.
  17. Remove the fill plug and allow excess fluid to drain from fill hole or add fluid as necessary.
  18. Install the fill plug.
  19. AWD vehicles only: If removed, install the front propeller shaft (Refer to 03 - Differential and Driveline/Propeller Shaft/Installation).
  20. AWD vehicles only: Using a scan tool, disable Emissions Rolls Test Mode in the PCM.
  21. Using a scan tool, clear any DTCs.
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