🔧 Cherokee - Transmission Fluid Service

Your Cherokee’s automatic transmission is a “sealed” unit (no dipstick). Fluid level is set through a level/check plug at a specific fluid temperature, so the key to doing this right is keeping the vehicle perfectly level and checking level at the correct temp.

Difficulty Level: Advanced | Estimated Time: 2.0-4.0 hours

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⚠️ Safety & Precautions

• ⚠️ Support the vehicle on four jack stands so it stays level; an unlevel vehicle can cause an incorrect fluid level.
• ⚠️ Transmission fluid can be hot. Let the transmission cool and wear gloves and safety glasses.
• ⚠️ Keep the engine running only when instructed—stay clear of rotating parts and the cooling fan.
• ⚠️ Do not crawl under a vehicle supported only by a jack.
• ⚠️ 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) x4
• Wheel chocks
• Safety glasses
• Nitrile gloves
• Drain pan (at least 10-quart)
• Ratchet
• Socket set 8mm-13mm
• Torque wrench (inch-pound)
• Torque wrench (foot-pound)
• Trim clip tool
• Shop towels
• Brake cleaner spray
• Fluid transfer pump (hand pump)
• Scan tool with transmission fluid temperature data (specialty)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Automatic transmission fluid (Mopar 8 & 9 Speed ATF equivalent) - Qty: 6-10 quarts
• Transmission pan with integrated filter - Qty: 1
• Transmission pan bolts - Qty: 1 set
• Fill plug seal - Qty: 1
• Level/check plug seal - Qty: 1

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📋 Before You Begin

• Park on a level surface, set the parking brake, and place wheel chocks behind the rear wheels.
• Raise the vehicle and support it on four jack stands so the vehicle sits level front-to-rear and side-to-side.
• Confirm you can read transmission fluid temperature on a scan tool. (This is the temperature of the ATF inside the transmission.)
• Tip: Take a photo of underbody fasteners before removal.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the underbody shield (if equipped)

• Place a drain pan underneath the transmission area.
• Remove any splash shield(s) using a trim clip tool and socket set 8mm-10mm.

Step 2: Locate the fill plug and the level/check plug

• Before draining anything, identify the fill plug and the level/check plug on the transmission case.
• Use your ratchet and appropriate socket to carefully “crack loose” the fill plug first (do not remove yet).
• Tip: If the fill plug won’t loosen, stop here.

Step 3: Drain the transmission fluid

• Position the drain pan
• If your transmission has a drain plug, remove it using the correct socket and allow the ATF to drain fully.
• If there is no drain plug, you’ll drain by loosening the transmission pan bolts in the next step.

Step 4: Remove the transmission pan (pan/filter service)

• Support the pan with one hand and remove pan bolts using a ratchet and socket set 10mm.
• Loosen bolts evenly and leave two bolts partially threaded at one end until most fluid has drained.
• Remove the pan. Expect more fluid to spill—keep the drain pan under it.

Step 5: Clean the mating surface

• Use shop towels to wipe the transmission case sealing surface clean.
• Use brake cleaner spray on a towel (not sprayed directly upward) to remove residue.
• Make sure no old gasket material or debris remains.

Step 6: Install the new pan with integrated filter

• Position the new pan/filter in place by hand.
• Install pan bolts finger-tight first, then snug them evenly using a ratchet and 10mm socket.
• Tighten in a crisscross pattern using a torque wrench (inch-pound): Torque to 8 Nm (71 in-lbs).

Step 7: Reinstall the drain plug (if removed)

• Install the drain plug with a new seal (if applicable) using the correct socket.
• Use a torque wrench (foot-pound): Torque to 20 Nm (15 ft-lbs).

Step 8: Fill the transmission (initial fill)

• Remove the fill plug using your ratchet and correct socket.
• Use a fluid transfer pump to pump in Mopar 8 & 9 Speed ATF equivalent until fluid begins to run back out of the fill/level opening (varies by plug layout).
• Reinstall the fill plug finger-tight for now.

Step 9: Warm up the fluid and circulate it

• Connect your scan tool with transmission fluid temperature data.
• Start the engine.
• With your foot on the brake, slowly move the shifter through each gear (P-R-N-D and manual ranges if equipped), pausing 2-3 seconds in each.
• Return to Park and keep the engine idling.

Step 10: Set the final fluid level at the correct temperature

• Monitor transmission fluid temperature on the scan tool.
• When ATF is within 30–50°C (86–122°F), remove the level/check plug using the correct socket.
• Correct level is a thin stream/drip from the level/check opening.
• If no fluid comes out, add ATF using the fluid transfer pump until it begins to drip/stream, then wait until it slows to a drip.
• Install the level/check plug and tighten with a torque wrench (foot-pound): Torque to 20 Nm (15 ft-lbs).
• Install the fill plug and tighten with a torque wrench (foot-pound): Torque to 20 Nm (15 ft-lbs).

Step 11: Reinstall shields and lower the vehicle

• Reinstall any underbody shield(s) using the socket set 8mm-10mm and trim clip tool.
• Carefully lower the vehicle using the floor jack.

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✅ After Repair

• Start the engine and check underneath for leaks with a flashlight (use safety glasses).
• Test drive 10–15 minutes. Verify smooth shifting and no warning lights.
• Recheck for leaks afterward.
• If you have a scan tool, check for transmission-related codes and clear only if you’re sure the repair is complete.

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💰 DIY vs Shop Cost

Shop Cost: $350-$800 (parts + labor)

DIY Cost: $140-$350 (parts only)

You Save: $210-$450 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-4 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.