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Transmission fluid and filter change for 2016 Ram 2500 (6.4L Hemi)

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Mike T. · rep 0 · May 25, 2:32 AM · 1 replies · solved · Question

Vehicle: 2016 Ram 2500 Laramie

Hi folks,

I have a 2016 Ram 2500 Laramie with the 6.4L Hemi and the 68RFE transmission. It's got about 90,000 miles on it, and I've been doing a lot of towing lately. I'm wondering if it's time for a transmission fluid and filter change. The shifts feel a little less crisp than they used to, but nothing alarming yet.

What's the recommended interval for this service, especially with towing? And what specific fluid and filters should I be looking for? Is it something I can tackle in my garage, or is it better left to a professional? Any tips on the process would be great!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 2:32 AM

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ClearTheCode admin answer:

Maintaining your 68RFE transmission in your 2016 Ram 2500 is vital, especially with towing. Here's a breakdown of what you need to know:

  1. Service Interval: For vehicles under normal use, Ram typically recommends a transmission fluid and filter change around 60,000 to 100,000 miles. However, with frequent towing or heavy-duty use, it's highly advisable to shorten this interval to 30,000 to 50,000 miles. Given your 90,000 miles and recent towing, you're definitely due.

  2. Fluid Type: The 68RFE transmission requires Mopar ATF+4 automatic transmission fluid. Do not use any other type of fluid, as it can lead to transmission damage and void your warranty. The capacity is significant, so be prepared to buy several quarts.

  3. Filters: The 68RFE uses two filters: a sump filter (flat) and a spin-on return filter. Both should be replaced during the service. Mopar filters are recommended, but quality aftermarket options are available.

  4. DIY vs. Professional: A pan drop and filter change is a manageable DIY job for someone with moderate mechanical skills. It involves draining the fluid, dropping the pan, replacing the filters, cleaning the pan and magnet, and refilling. A full fluid flush, which replaces nearly all the fluid, is usually done with specialized equipment and is best left to a professional shop.

Causes of transmission issues from old fluid:

  • Reduced lubrication and cooling efficiency.
  • Increased wear on internal components (clutches, gears).
  • Harsh shifting, slipping, or delayed engagement.
  • Potential for overheating and transmission failure.

When to see a shop:

  • If you're experiencing severe shifting problems (e.g., hard clunks, significant slipping).
  • If you find large metal chunks in the transmission pan (small amounts of clutch material are normal).
  • If you prefer a full fluid exchange (flush) over a pan drop.
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