Howtoo Logo
2018 GMC Acadia
2018 GMC Acadia
SLT - V6 3.6L
Bryan specialist avatar

Have a Question? Ask a Specialist

Here is everything needed for this repair

See what I can do

Make Money

With HowToo

OnOff

Here is just the beginning of what I can do!

Select one to see me in action

Vehicle Features

Image Vehicle Features

“How do I connect my phone to my stereo?”

Vehicle Information

Image Vehicle Information

“What is my horsepower and torque”

Image Recognition

Image Image Recognition

“What is this warning light on my dash?”

Troubleshooting

Image Troubleshooting

“I have a P0300 engine code”

Vehicle Recognition

Image Vehicle Recognition

“What vehicle is this?”

Find shops near you

Image Find shops near you

“Find a shop to do this repair”

Vehicle Talk

Image Vehicle Talk

“What’s your favorite vehicle of all time?”

How to Replace Rear Shock Absorbers 2017-2024 GMC Acadia

How to Replace Rear Shock Absorbers 2017-2024 GMC Acadia

Suggested Parts

See all parts background
See All Parts

Tools & Fluids

3 Ton
3 Ton
Floor Jack
3 Ton
3 Ton
Jack Stands
Wheel Chocks
Wheel Chocks
Safety
Safety
Glasses
Nitrile
Nitrile
Gloves
See all parts background
See All Tools

How to Replace Front Struts and Rear Shock Absorbers on a 2018 GMC Acadia

Step-by-step DIY instructions with tools, parts list, safety tips, and alignment guidance

How to Replace Front Struts and Rear Shock Absorbers on a 2018 GMC Acadia

Step-by-step DIY instructions with tools, parts list, safety tips, and alignment guidance

Orion Logo White
Orion Logo White

đź”§ Acadia - Shock Absorber Replacement

On your Acadia, the “shocks” can mean the rear shock absorbers or the front struts (the front uses a strut assembly, not a simple shock). The steps, tools, and safety precautions are different, so I want to make sure you do the right job the first time.

Difficulty Level: Intermediate | Estimated Time: 2-5 hours


⚠️ Safety & Precautions

  • 🛑 Never work under a vehicle supported only by a jack—use jack stands on solid ground.
  • 🛑 Suspension parts can move suddenly when bolts are removed—support the control arm/knuckle with a jack.
  • 🛑 If you’re doing front struts, a coil spring is stored energy—use a proper spring compressor or replace the complete strut assembly.
  • 🛑 If your Acadia has electronic/air ride components, do not unplug or remove parts until confirmed (damage risk).

đź”§ 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
  • Mechanic gloves
  • Breaker bar 1/2"
  • Torque wrench 1/2" drive (30–200 ft-lbs)
  • Socket set 3/8" drive (metric)
  • Socket set 1/2" drive (metric)
  • Wrench set (metric)
  • Pry bar
  • Needle-nose pliers
  • Penetrating oil
  • Paint marker
  • Spring compressor (specialty)

🔩 Required Parts

HowToo sells all the parts you need for this repair:

  • Rear shock absorber - Qty: 2
  • Front strut assembly - Qty: 2
  • Upper strut mount - Qty: 2
  • Strut bearing - Qty: 2
  • Strut-to-knuckle bolts/nuts - Qty: 4

đź“‹ Before You Begin

  • Park on level ground, set the parking brake, and place wheel chocks at the wheels staying on the ground.
  • Loosen the wheel lug nuts slightly before lifting (use a breaker bar and correct lug socket).
  • Spray penetrating oil on the lower shock/strut bolts and let it soak 10–15 minutes.
  • Tip: Replace shocks/struts in pairs.

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Confirm which end you’re replacing

  • Look at the front: if you see a large spring around the suspension unit, that’s a strut.
  • Look at the rear: typically a separate spring and a separate shock absorber.
  • Reply with: Front or Rear (or All four).

Step 2: Check for electronic suspension

  • With a flashlight, look at the top/bottom of each shock/strut for an electrical connector.
  • Reply with: Connector present or No connector.

Step 3: I’ll generate the exact procedure

  • Once you answer the two items above, I’ll provide the exact manufacturer-correct steps and torque specs for your Acadia.
  • I’ll also tell you whether you need a wheel alignment afterward (often required after front struts).

âś… After Repair

  • Re-check all fasteners with a torque wrench after the vehicle is back on the ground.
  • Test drive slowly first, listening for clunks, then re-check for any looseness.
  • If front struts were replaced, schedule an alignment.

đź’° DIY vs Shop Cost

Shop Cost: $600-$1,600 (parts + labor)

DIY Cost: $200-$900 (parts only)

You Save: $400-$700 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 2-5 hours.


🎯 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.

Parts
Tools
Menu
Videos
Earn