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2018 Pacifica Transmission Fluid Change - DIY or Dealer?

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Angela R. · rep 0 · May 22, 5:56 AM · 1 replies · solved · Question

Vehicle: 2018 Chrysler Pacifica Touring L

My 2018 Chrysler Pacifica Touring L is approaching 60,000 miles, and I'm wondering about the transmission fluid. The owner's manual seems a bit vague on the exact interval for "normal" driving conditions, and I've heard different things from various sources. I'm pretty handy with cars and have done fluid changes on other vehicles before.

Is this something a competent DIYer can tackle, or is it best left to the dealership due to special tools or specific fluid requirements? I've noticed a very slight hesitation sometimes when shifting from 2nd to 3rd, especially when cold, which makes me think it might be time.

What type of fluid does it take, and are there any specific procedures for checking the level or refilling that are unique to the Pacifica's 9-speed transmission? Any tips or warnings would be greatly appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:56 AM

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ClearTheCode admin answer:

  1. Understand the Interval: For your 2018 Chrysler Pacifica with the 9-speed automatic transmission, the manufacturer generally recommends inspecting the transmission fluid every 30,000 miles or 2 years, and replacing it every 60,000 miles or 4 years under "normal" driving conditions. However, for "severe" duty (towing, heavy city traffic, extreme temperatures), this interval can be as frequent as 30,000 miles. Given your 60,000 miles and slight hesitation, it's definitely time for a fluid and filter change.

  2. Fluid Type: The 9-speed transmission in your Pacifica requires MOPAR ATF+4 Automatic Transmission Fluid. Using any other fluid can lead to transmission damage and void your warranty. Ensure you purchase genuine MOPAR fluid.

  3. DIY Feasibility: While a transmission fluid and filter change is technically possible for a competent DIYer, the 9-speed ZF transmission in the Pacifica can be a bit more involved than older transmissions.

    • No Dipstick: There is no traditional dipstick. The fluid level is checked via an overflow tube inside the pan, requiring the fluid to be at a specific temperature range (typically 80-100°F or 27-38°C) using a scan tool to monitor.
    • Pan Removal: The transmission pan needs to be removed to access the filter. This will result in draining only a portion of the total fluid (usually 4-5 quarts out of 9-10 total capacity). A full "flush" typically requires specialized equipment.
    • Refill Procedure: Refilling is done through the fill plug, and the level is set by allowing excess fluid to drain from the overflow tube at the correct temperature.

  4. Tools & Supplies: You'll need a torque wrench, drain pan, new MOPAR ATF+4 fluid (at least 5-6 quarts for a pan drop), a new transmission filter kit (includes gasket), and potentially a scan tool capable of reading transmission fluid temperature.

  5. When to See a Shop: If you're not comfortable with the precise temperature monitoring, working without a dipstick, or dealing with the potential mess, taking it to a qualified shop or Chrysler dealership is advisable. They have the specialized tools and experience to ensure the fluid level is set correctly, which is crucial for the longevity of your transmission. The slight hesitation you're experiencing could be due to old fluid, but if it persists after the change, further diagnostics might be needed. If a transmission control system malfunction were present, you might see a P0700 code, but for routine maintenance, this is less likely.

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