🔧 Grand Cherokee - Shock Absorber Replacement

This repair replaces the rear shock absorbers on your Grand Cherokee. Worn shocks can cause bouncing, poor ride control, uneven tire wear, and longer stopping distance.

Assumption: This guide covers the rear shock absorbers, which are the standard “shock absorber” service item. The front suspension uses strut-style assemblies.

Difficulty Level: Beginner to Intermediate | Estimated Time: 1.5-2.5 hours

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⚠️ Safety & Precautions

• ⚠️ Work on level, solid ground only. Never work under your Grand Cherokee supported by a jack alone.
• ⚠️ Use jack stands. A jack stand is a fixed-height support that safely holds the vehicle after lifting.
• ⚠️ Replace rear shocks in pairs. Replacing only one side can make the vehicle handle unevenly.
• ⚠️ Do not disconnect brake hoses, ABS wiring, or parking brake cables while lowering or supporting the rear axle.
• ⚠️ Battery disconnect is not required for rear shock absorber replacement.

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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
• 1/2-inch drive ratchet
• 1/2-inch drive breaker bar
• Torque wrench (30-200 Nm range)
• 21mm socket
• 24mm socket
• 21mm wrench
• 24mm wrench
• Trim clip removal tool
• Flathead screwdriver
• Penetrating oil
• Wire brush
• Paint marker
• Safety glasses
• Mechanic gloves

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• Rear shock absorbers - Qty: 2
• Rear shock mounting bolt kit - Qty: 1

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📋 Before You Begin

• Park your Grand Cherokee on level ground and place the transmission in Park.
• Set the parking brake and place wheel chocks in front of the front tires.
• Spray the upper and lower rear shock mounting bolts with penetrating oil and let it soak for 10-15 minutes.
• Use a paint marker to mark the position of each original shock and bolt orientation before removal.
• If equipped with load-leveling rear shocks, replace with the correct matching type only.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Loosen the Rear Wheel Lug Nuts

• Use a 21mm socket and breaker bar to loosen each rear wheel lug nut about half a turn.
• Do not remove the lug nuts yet.
• Loosen wheels before lifting.

Step 2: Lift and Support the Rear of the Vehicle

• Use a floor jack under the rear axle center section to lift the rear of your Grand Cherokee.
• Place jack stands under the proper rear frame support points.
• Lower the vehicle gently onto the jack stands.
• Keep the floor jack lightly supporting the rear axle. This prevents the axle from dropping suddenly when a shock is removed.

Step 3: Remove the Rear Wheels

• Use a 21mm socket to remove the loosened rear wheel lug nuts.
• Remove both rear wheels and set them flat on the ground.
• Slide one wheel under the side of the vehicle as an extra safety backup.

Step 4: Inspect Shock Mounting Area

• Use a wire brush to clean dirt and rust from the upper and lower shock bolts.
• Use a flathead screwdriver or trim clip removal tool if a small splash shield or liner edge is blocking access.
• Spray more penetrating oil on the bolt threads if they look rusty.

Step 5: Support the Rear Axle

• Use the floor jack to lightly support the axle tube near the shock you are replacing.
• Do not lift the vehicle off the jack stands.
• This keeps the shock from being under tension, which makes the bolts easier to remove.

Step 6: Remove the Lower Shock Bolt

• Use a 24mm socket and 24mm wrench to loosen and remove the lower shock mounting bolt and nut.
• If the bolt is tight, use the 1/2-inch drive breaker bar carefully.
• Pull the lower end of the shock free from the axle bracket.
• Keep fingers clear of brackets.

Step 7: Remove the Upper Shock Bolt

• Use a 21mm socket and 21mm wrench to loosen and remove the upper shock mounting bolt and nut.
• Hold the shock with one hand while removing the last bolt so it does not fall.
• Remove the shock absorber from the vehicle.

Step 8: Compare the Old and New Shock

• Place the new rear shock beside the old shock.
• Make sure the length, mounting eyes, bushings, and sleeve widths match.
• A bushing is the rubber cushion in the shock mounting hole that reduces noise and vibration.

Step 9: Install the New Upper Shock Mount

• Position the new shock absorber into the upper mounting bracket.
• Install the upper bolt and nut by hand first to avoid cross-threading.
• Use a 21mm socket and 21mm wrench to snug the fastener, but do not fully tighten yet.

Step 10: Install the New Lower Shock Mount

• Use the floor jack to raise or lower the rear axle slightly until the lower shock eye lines up with the axle bracket.
• Install the lower bolt and nut by hand.
• Use a 24mm socket and 24mm wrench to snug the lower fastener.

Step 11: Torque the Shock Bolts

• Use a torque wrench with the 21mm socket on the upper shock fastener.
• Torque to 108 Nm (80 ft-lbs).
• Use a torque wrench with the 24mm socket on the lower shock fastener.
• Torque to 149 Nm (110 ft-lbs).
• Tighten at normal ride height when possible.

Step 12: Repeat on the Other Side

• Move the floor jack to lightly support the other side of the rear axle.
• Use the same 21mm socket, 21mm wrench, 24mm socket, and 24mm wrench to remove and replace the other rear shock absorber.
• Torque the second shock the same way: Upper: 108 Nm (80 ft-lbs) and Lower: 149 Nm (110 ft-lbs).

Step 13: Reinstall the Rear Wheels

• Lift each rear wheel onto the hub.
• Install the lug nuts by hand first.
• Use a 21mm socket to snug the lug nuts in a star pattern.

Step 14: Lower the Vehicle and Torque the Wheels

• Use the floor jack to lift the rear slightly and remove the jack stands.
• Lower your Grand Cherokee until the tires touch the ground.
• Use a torque wrench with a 21mm socket to tighten the lug nuts in a star pattern.
• Torque to 176 Nm (130 ft-lbs).

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✅ After Repair

• Push down firmly on the rear bumper. The body should rise and settle quickly without repeated bouncing.
• Road test at low speed first. Listen for clunks, rattles, or rubbing noises.
• After the road test, recheck the upper and lower shock bolts for tightness.
• Recheck rear wheel lug nut torque after 25-50 miles: 176 Nm (130 ft-lbs).
• An alignment is usually not required for rear shock replacement unless other suspension parts were loosened or the vehicle still pulls.

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💰 DIY vs Shop Cost

Shop Cost: $350-$650 (parts + labor)

DIY Cost: $120-$300 (parts only)

You Save: $230-$350 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?

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