Replacing Cadillac struts requires strategic preparation for a successful installation. Begin by gathering necessary tools like a socket set ranging from 10mm to 21mm, a breaker bar, and a torque wrench capable of 40 to 80 foot-pounds. Secure the vehicle on a flat surface using jack stands and chocks after lifting it with a hydraulic jack. Carefully remove the old struts, ensuring disconnection of brake hoses and sensors, using penetrating oil for rusted elements. Installation of new struts demands aligning components and precise bolt tightening. Post-installation, suspension alignment must achieve specific camber, caster, and toe settings to ensure balanced handling. Enhancing performance awaits exploration.
Gather Necessary Tools
Before you start changing Cadillac struts, get all the tools you need. Having everything ready will help you work faster and avoid delays.
Here's what you'll need:
- Socket Set: Get a set with sizes from 10mm to 21mm. These fit the different bolts you'll find.
- Breaker Bar: This tool helps you loosen tight nuts with ease.
- Torque Wrench: Use this to tighten bolts correctly. For suspension parts, aim for 40 to 80 foot-pounds.
- Jack Stands and Hydraulic Jack: These are essential for lifting the car safely, so it doesn't move while you work.
- Spring Compressor: This tool is important for taking apart and putting back together the strut assembly safely.
- Penetrating Oil: Helpful for loosening rusty bolts.
- Rubber Mallet: Use this for gently tapping parts without causing damage.
Consider getting good quality tools from brands like Snap-On or Craftsman. Reliable tools make the job easier and last longer.
Prepare Your Vehicle
Start by parking your car on a flat and stable surface. Make sure to put the parking brake on to keep it from moving. Place wheel chocks behind the rear wheels for extra stability. If your car is automatic, set the transmission to 'Park.' For manual cars, put it in gear.
Check the area where you'll work. It should be well-lit and have good airflow for safety and visibility. Use a hydraulic jack to lift your car. Place the jack under the right spots as shown in your car's manual to prevent damage.
After lifting the car, use jack stands to hold it up. Ensure the stands can support the weight of your Cadillac. Never rely only on the hydraulic jack. Look around the tires and the area for anything that might get in the way.
Here's a checklist:
| Task | What You Need | Safety Tip |
|---|---|---|
| Park on flat surface | None | Use the parking brake |
| Chock rear wheels | Wheel chocks | Ensure stability |
| Lift vehicle | Hydraulic jack | Use correct jacking points |
| Secure with stands | Jack stands | Check weight capacity |
| Inspect surroundings | Your own eyes | Remove any obstacles |
This preparation helps with replacing your car's struts smoothly.
Remove Old Struts
Lift your Cadillac securely before starting.
Loosen the lug nuts on the front wheels and take the wheels off. This lets you reach the strut assembly. Check the brake hose and ABS sensor wire that might be attached to the strut. Carefully unclip or unbolt them to avoid damage.
Use a socket wrench to take off the bolts holding the strut to the steering knuckle. Usually, two bolts are used, and a 21-mm socket fits most Cadillac models.
Next, find the strut tower under the hood where the strut connects to the car's body. Use a ratchet and the right socket, like a 13-mm or 15-mm, to remove the upper bolts.
Hold the strut while removing the last bolt so it doesn't fall. Carefully take the strut out of the wheel well.
Check for rust or corrosion on the bolts and where they mount. Use penetrating oil to make bolt removal easier.
Dispose of the old struts following local recycling rules.
Install New Struts
To install a new strut, first place it in the wheel area and line it up with the strut tower. Proper alignment helps keep the car handling well and the tires wearing evenly.
Put the top bolts through the strut tower and tighten them according to the car maker's torque guidelines, usually between 30 to 40 foot-pounds. Check the car's manual for exact numbers.
Next, match the bottom of the strut with the steering knuckle. Insert the bolts and tighten them to the specified settings, often between 100 to 150 foot-pounds. This makes sure the strut is secure and stable. Use a torque wrench for precise tightening.
If the new strut has a boot or bump stop, make sure these are in place to keep dirt away from the strut shaft.
Reattach any sensors or brake line brackets that were removed earlier. This step ensures everything works as it should and prepares the vehicle for any further suspension checks.
Align the Suspension
Start by placing your vehicle on a flat, even surface. Use an alignment machine to check and adjust the wheel angles. This machine uses lasers to measure how the wheels are positioned.
- Camber: This measures if the tire tilts in or out. Aim for a range between -0.5 and 0 degrees.
- Caster: This affects how straight the car goes when you drive. Keep it between 3 to 4 degrees.
- Toe: This is about the tires pointing slightly inwards. Keep it around 0.10 inches.
For a Cadillac, follow the factory guidelines for these settings. Make sure each wheel matches these angles.
Proper alignment helps with smooth driving, even tire wear, and keeps your car safe. Adjust the suspension parts so the wheels have the right angles. This way, the new parts last longer and work better.
Test the Installation
Once the struts are aligned, check them to make sure they're working right. Start by looking at the strut setup. Make sure bolts and parts are tight and everything is safe. Be sure nothing is hitting other parts of the suspension.
Then, drive the car slowly on a smooth road. Listen for odd sounds like clunks or rattles that might mean something is wrong. Go faster bit by bit and make some turns and lane changes. See how the car handles and if it stays steady. Notice how the car reacts when you steer. It should feel balanced and respond well.
To see how the ride feels, drive over different road surfaces like bumps or potholes. The struts should handle shocks well so the ride stays comfy and in control.
Keep an eye on the car's alignment. It should go straight without veering to one side. If you notice problems, check how the struts are put in and their alignment.
People Also Ask
How Much Does It Typically Cost to Replace Cadillac Struts?
Replacing Cadillac struts usually costs between $700 and $1,500. This includes both parts and the work to install them. The price can change depending on the car model, where you live, and if you use original or aftermarket parts.
How Often Should Cadillac Struts Be Replaced?
Cadillac struts should be replaced every 50,000 to 100,000 miles. The exact time depends on how you drive and use your car. It's a good idea to have a mechanic check them regularly. This helps keep your car safe and working well.
Can I Replace Cadillac Struts Without Professional Help?
Yes, you can change Cadillac struts yourself if you have the right tools and know-how. But it's tricky and can be dangerous. It's usually safer to ask a professional mechanic for help to make sure it's done right and your car stays safe.
What Are the Signs That Cadillac Struts Need Replacing?
Look for these signs that your Cadillac's struts need replacing: the car bounces a lot, tires wear unevenly, steering feels off, or you hear strange noises when driving. If the ride feels rough or unstable, it might be time to check the struts.
How Long Does It Take to Replace Cadillac Struts?
Replacing Cadillac struts usually takes about two to four hours. This time includes taking off the old struts, putting on the new ones, and making sure everything lines up right. How long it takes can also depend on how tricky the job is.