🔧 Patriot - Manual Transmission Fluid Change

This service drains old gear oil from your Patriot’s manual transaxle and refills it with fresh, correct-spec fluid. Fresh fluid helps shifting feel, synchronizer life, and bearing protection—especially if the fluid is dark or you notice notchy shifting.

Difficulty Level: Intermediate | Estimated Time: 1-2 hours

Assumption: This covers the Patriot 5-speed manual transaxle with side fill plug and bottom drain plug; plug type/torque can vary slightly by build.

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⚠️ Safety & Precautions

• 🧯 Work on a level surface and support the Patriot with jack stands—never rely on a jack alone.
• 🔥 Let the drivetrain cool first; the case and fluid can be hot enough to burn you.
• 🧤 Wear gloves and safety glasses; gear oil has a strong odor and can irritate skin/eyes.
• 🔩 Always loosen the fill plug first—so you don’t drain it and then discover you can’t refill it.
• 🔋 Battery disconnect is not required for this service.

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🔧 Required Tools

You'll need the following tools for this repair:

• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• Safety glasses
• Nitrile gloves
• Drain pan (at least 6-quart)
• Ratchet (3/8-inch drive)
• Socket set (metric)
• Hex bit socket set (metric)
• Torque wrench (10-100 ft-lbs)
• Trim clip tool
• Fluid transfer pump (specialty)
• Shop rags
• Brake cleaner spray

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Manual transmission fluid (Mopar spec for Patriot manual transaxle) - Qty: 3 quarts
• Drain plug sealing washer - Qty: 1
• Fill plug sealing washer - Qty: 1

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📋 Before You Begin

• 🅿️ Park on level ground, set the parking brake, and place wheel chocks behind the rear tires.
• 🚗 If you raise the front, raise it evenly and keep the vehicle level on jack stands (important for correct fill level).
• 🧼 Lay out shop rags and brake cleaner spray—you’ll want the plug areas clean before reinstalling.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Warm the fluid slightly

• Drive the Patriot for 5-10 minutes to slightly warm the transmission fluid.
• Warm fluid drains faster and more completely.

Step 2: Safely raise and support the Patriot

• Place wheel chocks, then lift with a floor jack (rated 3-ton minimum).
• Set the Patriot down onto jack stands (rated 3-ton minimum).
• Give the vehicle a gentle push to confirm it’s stable before going underneath.

Step 3: Remove any lower splash shield (if equipped)

• Use a trim clip tool to remove plastic push-pins.
• Use a ratchet (3/8-inch drive) with a metric socket to remove any bolts.
• Set fasteners aside so you don’t lose them.

Step 4: Locate the fill plug and drain plug

• Clean the area around both plugs using shop rags and brake cleaner spray.
• The fill plug is typically on the side of the transaxle case; the drain plug is on the bottom.
• Use a hex bit socket set (metric) or a metric socket—plug style varies.

Step 5: Loosen and remove the fill plug first

• Use a ratchet (3/8-inch drive) with the correct hex bit socket (metric) or metric socket to break the fill plug loose.
• Once you confirm it will come out, remove it by hand and set it aside on a clean rag.
• This prevents getting stuck after draining.

Step 6: Drain the old transmission fluid

• Position the drain pan (at least 6-quart) under the drain plug.
• Use a ratchet (3/8-inch drive) with the correct hex bit socket (metric) or metric socket to remove the drain plug.
• Let it drain until it slows to an occasional drip (usually 10-20 minutes).

Step 7: Inspect and reinstall the drain plug

• Wipe the drain plug clean using shop rags.
• If the plug is magnetic, wipe off metal “fuzz” (fine paste is normal; chunks are not).
• Install a new drain plug sealing washer if used on your plug design.
• Reinstall the drain plug by hand first to avoid cross-threading.
• Tighten with a torque wrench (10-100 ft-lbs): Torque to 34 Nm (25 ft-lbs).

Step 8: Refill the transmission

• Insert the hose from a fluid transfer pump (specialty) into the fill hole. (A fluid transfer pump is a hand pump that pushes fluid from the bottle into the transmission.)
• Pump in manual transmission fluid (Mopar spec for Patriot manual transaxle) until fluid just begins to seep back out of the fill hole.
• Pause for 1 minute, then top off again until it barely dribbles out.
• The correct level is at the bottom of the fill hole.

Step 9: Reinstall the fill plug

• Install a new fill plug sealing washer if used on your plug design.
• Thread the fill plug in by hand first.
• Tighten with a torque wrench (10-100 ft-lbs): Torque to 34 Nm (25 ft-lbs).
• Clean any spilled fluid using brake cleaner spray and shop rags.

Step 10: Reinstall the splash shield and lower the vehicle

• Reinstall the splash shield using the ratchet (3/8-inch drive) and metric socket, plus the trim clip tool for push-pins.
• Raise slightly with the floor jack (rated 3-ton minimum), remove the jack stands (rated 3-ton minimum), and lower the Patriot.

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✅ After Repair

• 🧪 Start the engine and, with the clutch pressed, shift through all gears while parked.
• 🚗 Take a 5-10 minute test drive and confirm smooth shifting and no new noises.
• 🔍 Recheck for leaks around the fill and drain plugs.
• ♻️ Pour used fluid into a sealed container and take it to an oil/fluid recycling drop-off.

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💰 DIY vs Shop Cost

Shop Cost: $180-$350 (parts + labor)

DIY Cost: $40-$90 (parts only)

You Save: $140-$260 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1-2 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.