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2017 G80 V6 - Transmission Fluid Change Interval Question

0

Mike T. · rep 0 · May 25, 4:38 AM · 1 replies · solved · Question

Vehicle: 2017 Genesis G80 3.8L

Hey everyone, I've got a 2017 Genesis G80 3.8L with about 95,000 miles on it. I've been pretty diligent with oil changes and other basic maintenance, but I'm starting to wonder about the transmission fluid.

I haven't had any issues with shifting or anything unusual, but given the mileage, I'm thinking it might be time for a fluid change. The owner's manual seems a bit vague on a specific interval for 'normal' driving conditions, mostly mentioning 'severe' usage.

What are your thoughts on changing the transmission fluid on these G80s around this mileage? Is it something I should tackle myself, or is it better left to a professional? Any advice on the type of fluid to use would also be greatly appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 4:38 AM

0

ClearTheCode admin answer:

For your 2017 Genesis G80 3.8L, the topic of transmission fluid changes at high mileage is a common one. While Genesis often states the fluid is 'lifetime' under normal conditions, many experienced mechanics and owners recommend a proactive approach, especially as you approach and exceed 90,000 miles.

Here's a breakdown:

  1. Fluid Change Recommendation:

    • Normal Driving: While not explicitly scheduled, considering your mileage, a drain and fill (not a full flush) is generally recommended. This replaces a portion of the old fluid with new, refreshing additives and improving lubrication without shocking the system with a complete fluid exchange, which can sometimes dislodge deposits in older transmissions.
    • Severe Driving: If you've done a lot of towing, heavy city driving, or driving in extreme temperatures, a fluid change would be even more critical.

  2. DIY vs. Professional:

    • DIY: A simple drain and fill can be done by a competent DIYer with the right tools (jack stands, drain pan, torque wrench, fluid pump). Ensure you use the correct fluid and follow the fill procedure carefully, which often involves checking the level at a specific temperature.
    • Professional: If you're not comfortable, a professional shop is a safer bet. They have the right equipment and experience to ensure the correct fluid type and fill level.

  3. Causes for Concern:

    • If you notice any harsh shifting, delays in engagement, or unusual noises, get it inspected immediately. A fluid change might help, but it could also indicate a more serious internal issue.

  4. Fluid Type:

    • Always refer to your owner's manual for the exact transmission fluid specification. Genesis transmissions typically require a specific Hyundai/Kia SP-IV or equivalent fluid. Using the wrong fluid can cause significant damage.

  5. When to See a Shop:

    • If you experience any transmission performance issues (slipping, hard shifts, warning lights).
    • If you're unsure about the DIY process or identifying the correct fluid.
    • For a full transmission flush (which is different from a drain and fill), as this requires specialized equipment.
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