Changing a strut mount on a 2013 BMW 335i is a activity that may be accomplished by a novice mechanic with the proper instruments and slightly little bit of persistence. The strut mount is a crucial part of the automobile’s suspension system, and a worn-out mount can result in a variety of issues, together with poor dealing with, extreme tire put on, and even a lack of management. If you happen to’re experiencing any of those signs, it is vital to examine your strut mounts and change them if crucial.
Step one in changing a strut mount is to collect the mandatory instruments and components. You will have a socket wrench set, a torque wrench, a brand new strut mount, and a jack. After you have the whole lot you want, you’ll be able to start the method of eradicating the previous strut mount. To do that, you will have to jack up the automobile and take away the wheel from the facet that you’re engaged on. As soon as the wheel is eliminated, you will have to find the strut mount. The strut mount is positioned on the high of the strut meeting, and it’s held in place by three bolts. After you have positioned the strut mount, you’ll be able to take away the bolts and take off the previous mount.
Putting in the brand new strut mount is the reverse of eradicating the previous mount. First, you will have to put the brand new mount on high of the strut meeting. Then, you will have to insert the three bolts and tighten them all the way down to the required torque. As soon as the bolts are tightened, you’ll be able to put the wheel again on and decrease the automobile. As soon as the automobile is on the bottom, you’ll be able to torque the bolts to the right specs. Lastly, you’ll be able to take a look at drive the automobile to make it possible for the brand new strut mount is working correctly.
Figuring out the Strut Mounts
Strut mounts, also called suspension mounts or shock mounts, are essential elements that join the suspension struts to the automobile’s chassis. They play an important position in stabilizing the suspension system, lowering vibrations from the highway, and bettering general journey high quality. Within the case of a 2013 BMW 335i, figuring out the strut mounts is crucial for performing upkeep or substitute.
The strut mounts are usually positioned on the high of the entrance and rear suspension struts. They are often accessed by eradicating the wheels and wheel nicely liners to reveal the elements. The strut mounts will seem as circular-shaped discs with a rubber heart that surrounds the strut shaft. Here is a extra detailed description of the strut mounts’ location:
Entrance Strut Mounts
- The entrance strut mounts are located on the high of the entrance suspension struts.
- They’re positioned contained in the engine compartment, simply behind the entrance wheels.
- To entry the entrance strut mounts, you will have to take away the wheel nicely liners and expose the suspension elements.
Rear Strut Mounts
- The rear strut mounts are positioned on the high of the rear suspension struts.
- They’re often positioned within the trunk or cargo space of the automobile.
- To succeed in the rear strut mounts, you will have to take away the trunk liner or entry panel to reveal the suspension system.
Here’s a desk summarizing the situation of the strut mounts in a 2013 BMW 335i:
| Location | Description |
|---|---|
| Entrance | Situated on the high of the entrance suspension struts, contained in the engine compartment |
| Rear | Positioned on the high of the rear suspension struts, often within the trunk or cargo space |
Getting ready the Work Space
Earlier than you start working in your BMW 335i, it is vital to organize the work space. It will assist you keep organized and environment friendly, and it’ll additionally assist to forestall accidents.
Listed below are some ideas for getting ready your work space:
- Select a well-lit and ventilated space to work in.
- Clear away any litter from the world.
- Collect all the instruments and supplies you will have earlier than you begin working.
- Lay down a drop fabric or tarp to guard the ground from spills.
Security Precautions
When working in your BMW, it is very important take security precautions to keep away from harm. Listed below are some security tricks to comply with:
- Put on security glasses and gloves.
- Use a jack and jack stands to help the automobile when it’s raised off the bottom.
- Don’t work on the automobile whether it is scorching.
- Pay attention to your environment and keep away from working in areas the place there’s a threat of falling objects.
- If you’re not comfy performing a specific activity, don’t hesitate to hunt skilled assist.
Instruments and Supplies
Here’s a listing of instruments and supplies you will have to vary the strut mount in your BMW 335i:
| Instrument or Materials | Amount |
|---|---|
| Strut mount | 2 |
| Strut mount bolts | 4 |
| Strut mount nuts | 4 |
| Jack | 1 |
| Jack stands | 2 |
| Wrench | 1 |
| Socket wrench | 1 |
| Sockets | 10mm, 13mm, 15mm, 18mm |
| Torque wrench | 1 |
| Anti-seize compound | 1 tube |
Eradicating the Strut Meeting
Start by eradicating the wheel and tire meeting. Find the strut meeting, which is the tall, cylindrical part that connects the wheel to the automobile’s physique. To take away the strut meeting, you will have to detach it from the higher and decrease management arms.
Utilizing a spanner or socket wrench, loosen the bolts that connect the strut meeting to the higher management arm. Watch out to not take away the bolts utterly at this level.
Subsequent, transfer to the decrease management arm. There might be one or two bolts that connect the strut meeting to the decrease management arm. Loosen these bolts after which use a pry bar or massive screwdriver to softly pry the strut meeting away from the decrease management arm. As soon as the strut meeting is free, fastidiously elevate it out of the wheel nicely.
| Instruments Required |
|---|
| Spanner or socket wrench |
| Pry bar or massive screwdriver |
Disconnecting the Sway Bar Finish Hyperlink
The sway bar finish hyperlink is liable for connecting the sway bar to the strut. To be able to take away the strut mount, the sway bar finish hyperlink should first be disconnected. Listed below are the steps on how to do that:
- Find the sway bar finish hyperlink. It’s often positioned close to the underside of the strut.
- Utilizing a wrench, loosen the nut that’s holding the sway bar finish hyperlink to the strut.
- As soon as the nut is free, use your palms to take away the sway bar finish hyperlink from the strut.
- Watch out to not lose the washer that’s positioned between the sway bar finish hyperlink and the strut.
Further Particulars for Step 4:
This step requires warning to forestall injury to the washer. Use a flashlight to find the washer, which is a skinny, steel ring that sits between the sway bar finish hyperlink and the strut. It is very important take away the washer together with the sway bar finish hyperlink, because it helps to distribute the load and stop the sway bar from turning into free. Fastidiously slide the washer off the sway bar and retailer it in a secure place till you might be able to reassemble the suspension.
Separating the Strut from the Steering Knuckle
After you have disconnected the sway bar finish hyperlink, you’ll be able to start separating the strut from the steering knuckle. Listed below are the detailed steps to comply with:
**Step 1: Take away the Strut Bolt**
Find the strut bolt that connects the strut to the steering knuckle. Use a 21mm wrench or socket to loosen the bolt, however don’t take away it utterly at this stage.
**Step 2: Pry the Strut Unfastened (Choice 1)**
Insert a pry bar or a big flat-head screwdriver between the steering knuckle and the strut meeting. Fastidiously pry the strut free from the knuckle by making use of leverage. You could want to make use of some power, however keep away from damaging any elements.
**Step 3: Pry the Strut Unfastened (Choice 2)**
If the strut is especially caught, you should use a pickle fork device. Place the pickle fork between the strut and the knuckle, and use a hammer to softly faucet it. The fork’s prongs will pry the strut free, releasing it from the knuckle.
| Technique | Execs | Cons |
|---|---|---|
| Pry Bar | Much less more likely to injury elements | Might require extra power |
| Pickle Fork | More practical on cussed struts | Can probably injury elements if not used fastidiously |
**Step 4: Take away the Strut Bolt**
As soon as the strut is free, utterly take away the strut bolt. Watch out to not drop the strut when eradicating it from the steering knuckle.
**Step 5: Separate the Strut**
Gently pull the strut meeting away from the steering knuckle. The strut ought to come off simply as soon as the bolt is eliminated. Be aware of the brake line and ABS sensor wire related to the strut.
Eradicating the Previous Strut Mount
1. Find the strut mount on high of the strut meeting. It is going to be secured with three bolts.
2. Use an affect wrench or socket wrench to loosen the bolts. Don’t take away them utterly presently.
3. Help the strut meeting with a jack or jack stand.
4. Take away the three bolts and elevate off the strut mount.
5. Examine the strut mount for any injury or put on. Whether it is broken, it can should be changed.
6. Clear the mating surfaces of the strut mount and the strut meeting. Apply a small quantity of grease to the mating surfaces to forestall squeaking.
7. Place the brand new strut mount on high of the strut meeting and align the bolt holes.
8. Thread the bolts into the holes and tighten them to the required torque.
9. Take away the jack or jack stand from beneath the strut meeting.
10. Repeat the method for the opposite facet of the automobile.
| Element | Torque |
|---|---|
| Strut Mount Bolts | 75 |
Putting in the New Strut Mount
To take away the strut mount, you will have to make use of a socket wrench to loosen the highest nut and backside bolt securing it to the strut and suspension system. As soon as the mount is free, fastidiously take away it from the highest of the strut and discard it.
To put in the brand new strut mount, merely reverse the method within the removing directions. First, place the brand new strut mount on high of the strut and safe it with the underside bolt. Tighten the bolt till it’s cosy, however don’t overtighten it. Subsequent, elevate the strut meeting again into place and safe it to the suspension system with the highest nut. Once more, tighten the nut till it’s cosy however don’t overtighten it.
To make sure the right alignment and performance of the strut mount, it is very important torque the bolts to the required torque worth. The torque values for the strut mount bolts could be discovered within the automobile’s service handbook or on the strut mount bundle.
As soon as the strut mount is correctly torqued, you’ll be able to join the opposite elements of the suspension, similar to management arms, ball joints, and anti-sway bars, and tighten all bolts to the required torque worth.
To confirm the set up, it’s a good observe to take the automobile for a take a look at drive and examine for correct dealing with and journey high quality. If the automobile reveals any uncommon conduct or noises, examine the strut mount and make crucial changes or repairs.
The desk under summarizes the steps for putting in the brand new strut mount:
| Step | Description |
|---|---|
| 1 | Loosen the nut on the strut mount |
| 2 | Unscrew the bolt on the strut mount |
| 3 | Take away the strut mount |
| 4 | Place the brand new strut mount on high of the strut |
| 5 | Tighten the underside bolt on the strut mount |
| 6 | Carry the strut meeting into place |
| 7 | Safe the strut meeting to the suspension system with the highest nut |
| 8 | Torque the bolts to the required torque worth |
| 9 | Join different suspension elements |
Reassembling the Strut Meeting
As soon as the brand new strut mount is in place, it is time to reassemble the strut meeting.
1. Begin by threading the strut rod into the higher mount.
2. Then, set up the higher mount bearing and spring seat.
3. Subsequent, place the spring over the strut rod and compress it utilizing a spring compressor.
4. As soon as the spring is compressed, set up the higher strut mount.
5. Tighten the higher mount nut to the required torque.
6. Subsequent, take away the spring compressor.
7. Set up the decrease strut mount.
8. Tighten the decrease strut mount nuts and bolts to the required torque.
The next desk offers the torque specs for the 2013 BMW 335i strut mount bolts and nuts:
| Bolt or Nut | Torque (Nm) |
|---|---|
| Higher strut mount nut | 22 Nm |
| Decrease strut mount nuts | 55 Nm |
| Decrease strut mount bolts | 22 Nm |
9. As soon as all the bolts and nuts are tightened, the strut meeting is full.
10. Now you can set up the strut meeting within the automobile.
Reinstalling the Strut within the Automobile
After changing the strut mount, it is time to reinstall the strut within the automobile. Listed below are the steps you will have to take:
-
Fastidiously elevate the strut meeting and align the mounting factors on the strut with these on the automobile.
-
Insert the bolts by the mounting factors and hand-tighten them to safe the strut.
-
Use a torque wrench to tighten the bolts to the required torque, as outlined within the torque specs desk under.
-
Join the sway bar hyperlink to the strut meeting.
-
Reinstall the brake line and ABS sensor to the strut meeting.
-
Tighten the lug nuts on the wheel to safe it.
-
Decrease the automobile to the bottom.
-
Tighten the lug nuts to the required torque utilizing a torque wrench.
-
Torque Specs
Discuss with the next desk for the torque specs for the strut mounting bolts:
Bolt Measurement Torque M12 103 Nm (75 ft-lb) M14 140 Nm (103 ft-lb)
Disconnect Brake Line Bracket
Find and disconnect the brake line bracket from the strut mount by unbolting it utilizing a socket wrench.
Take away Three Strut Mount Bolts
Take away the three bolts securing the strut mount to the chassis with a socket wrench. These bolts could be accessed from the engine bay.
Take away Strut Meeting
Fastidiously pull the strut meeting out of the wheelbase. You could have to wiggle it barely to dislodge it.
Compress Coil Spring
Utilizing a coil spring compressor, compress the coil spring on the strut meeting. It will launch the stress on the coil spring and let you safely take away it.
Take away Coil Spring
Slide the coil spring off the strut meeting as soon as it’s compressed.
Take away Spring Seat and Insulator
Take away the spring seat and insulator positioned on the highest of the strut meeting.
Unbolt Strut Mount from Strut
Use a socket wrench to unbolt the strut mount from the strut meeting.
Tightening and Torquing Bolts
Tightening the Strut Mount Bolts
Lubricate the threads of the strut mount bolts. Set up the bolts and tighten them to the required torque. Discuss with the desk under for torque specs.
| Bolt Measurement | Torque |
|---|---|
| 12mm | 60 ft-lb |
| 14mm | 80 ft-lb |
| 16mm | 100 ft-lb |
Tightening the Brake Line Bracket
Tighten the brake line bracket bolt to the required torque utilizing a socket wrench. Discuss with your automobile’s service handbook or a dependable on-line useful resource for the right torque specification.
Change a 2013 BMW 335i Strut Mount
Changing a strut mount on a 2013 BMW 335i is a comparatively simple restore that may be accomplished in just a few hours with the proper instruments and slightly mechanical know-how. Here is a step-by-step information that will help you by the method:
- Collect your instruments and supplies. You may want a socket wrench, a torque wrench, a brand new strut mount, and a few penetrating oil.
- Park the automobile on a stage floor and have interaction the parking brake.
- Open the hood and disconnect the damaging battery terminal.
- Find the strut mount that must be changed. It is positioned on the high of the strut, the place it attaches to the physique of the automobile.
- Take away the nuts that maintain the strut mount in place. You could want to make use of penetrating oil to loosen them.
- Carry the strut mount off of the strut.
- Set up the brand new strut mount on the strut. Make it possible for it is oriented accurately.
- Tighten the nuts that maintain the strut mount in place. Torque them to the required torque worth.
- Reconnect the damaging battery terminal.
- Test the alignment of the automobile. If the alignment is off, you will have to have it adjusted by a professional mechanic.
Folks Additionally Ask About Change 2013 BMW 335i Strut Mount
How a lot does it value to switch a strut mount?
The associated fee to switch a strut mount can differ relying on the make and mannequin of the automobile, in addition to the labor charges in your space. Usually, you’ll be able to anticipate to pay between $200 and $500 for the components and labor to switch a strut mount.
How lengthy does it take to switch a strut mount?
Changing a strut mount usually takes between 1 and a pair of hours. Nonetheless, this time could differ relying on the make and mannequin of the automobile, in addition to your expertise stage.
What are the signs of a nasty strut mount?
There are a number of signs that may point out {that a} strut mount is unhealthy. These signs embrace:
- Clunking or rattling noises when driving over bumps or uneven surfaces
- Uneven tire put on
- Decreased dealing with and stability
- Squealing or creaking noises when turning
