Changing a strut mount on a 2013 BMW 335i is a job that may be accomplished by a novice mechanic with the appropriate instruments and a bit of little bit of persistence. The strut mount is a essential part of the automobile’s suspension system, and a worn-out mount can result in numerous 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 vital.
Step one in changing a strut mount is to collect the mandatory instruments and elements. You’ll need a socket wrench set, a torque wrench, a brand new strut mount, and a jack. After you have every thing you want, you possibly can start the method of eradicating the outdated strut mount. To do that, you have to to jack up the automobile and take away the wheel from the aspect that you’re engaged on. As soon as the wheel is eliminated, you have to to find the strut mount. The strut mount is positioned on the prime of the strut meeting, and it’s held in place by three bolts. After you have positioned the strut mount, you possibly can take away the bolts and take off the outdated mount.
Putting in the brand new strut mount is the reverse of eradicating the outdated mount. First, you have to to put the brand new mount on prime of the strut meeting. Then, you have to to insert the three bolts and tighten them right down to the required torque. As soon as the bolts are tightened, you possibly can put the wheel again on and decrease the automobile. As soon as the automobile is on the bottom, you possibly can torque the bolts to the correct specs. Lastly, you possibly can take a look at drive the automobile to guarantee that the brand new strut mount is working correctly.
Figuring out the Strut Mounts
Strut mounts, often known as 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 enhancing general experience high quality. Within the case of a 2013 BMW 335i, figuring out the strut mounts is important for performing upkeep or substitute.
The strut mounts are sometimes positioned on the prime of the entrance and rear suspension struts. They are often accessed by eradicating the wheels and wheel effectively 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 prime 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 have to to take away the wheel effectively liners and expose the suspension elements.
Rear Strut Mounts
- The rear strut mounts are positioned on the prime of the rear suspension struts.
- They’re normally positioned within the trunk or cargo space of the automobile.
- To succeed in the rear strut mounts, you have to to take away the trunk liner or entry panel to reveal the suspension system.
Here’s a desk summarizing the placement of the strut mounts in a 2013 BMW 335i:
| Location | Description |
|---|---|
| Entrance | Situated on the prime of the entrance suspension struts, contained in the engine compartment |
| Rear | Positioned on the prime of the rear suspension struts, normally within the trunk or cargo space |
Making ready the Work Space
Earlier than you start working in your BMW 335i, it is vital to organize the work space. It will provide help to 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 realm.
- Collect all the instruments and supplies you have to earlier than you begin working.
- Lay down a drop material 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 damage. Listed below are some security tricks to observe:
- Put on security glasses and gloves.
- Use a jack and jack stands to assist the automobile when it’s raised off the bottom.
- Don’t work on the automobile whether it is sizzling.
- Concentrate on your environment and keep away from working in areas the place there’s a threat of falling objects.
- In case you are not snug performing a selected job, don’t hesitate to hunt skilled assist.
Instruments and Supplies
Here’s a listing of instruments and supplies you have to to alter 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 automotive’s physique. To take away the strut meeting, you may must 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 fully at this level.
Subsequent, transfer to the decrease management arm. There will likely 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, rigorously carry it out of the wheel effectively.
| 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. With a view 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 normally 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 fingers 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.
Extra 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, metallic 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 protected place till you’re able to reassemble the suspension.
Separating the Strut from the Steering Knuckle
After you have disconnected the sway bar finish hyperlink, you possibly can start separating the strut from the steering knuckle. Listed below are the detailed steps to observe:
**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 fully at this stage.
**Step 2: Pry the Strut Free (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. Chances are you’ll want to make use of some drive, however keep away from damaging any elements.
**Step 3: Pry the Strut Free (Choice 2)**
If the strut is especially caught, you need to use a pickle fork instrument. 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 | Could require extra drive |
| Pickle Fork | More practical on cussed struts | Can doubtlessly injury elements if not used rigorously |
**Step 4: Take away the Strut Bolt**
As soon as the strut is free, fully 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 linked to the strut.
Eradicating the Previous Strut Mount
1. Find the strut mount on prime of the strut meeting. It is going to be secured with three bolts.
2. Use an influence wrench or socket wrench to loosen the bolts. Don’t take away them fully at the moment.
3. Assist the strut meeting with a jack or jack stand.
4. Take away the three bolts and carry 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 prime 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 below the strut meeting.
10. Repeat the method for the opposite aspect of the automobile.
| Part | Torque |
|---|---|
| Strut Mount Bolts | 75 |
Putting in the New Strut Mount
To take away the strut mount, you have to 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, rigorously 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 prime of the strut and safe it with the underside bolt. Tighten the bolt till it’s cosy, however don’t overtighten it. Subsequent, carry 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 correct 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 will be discovered within the automobile’s service handbook or on the strut mount bundle.
As soon as the strut mount is correctly torqued, you possibly can join the opposite elements of the suspension, corresponding 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 apply to take the automobile for a take a look at drive and test for correct dealing with and experience high quality. If the automobile reveals any uncommon habits or noises, examine the strut mount and make vital changes or repairs.
The desk beneath 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 prime 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 gives 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 Car
After changing the strut mount, it is time to reinstall the strut within the automobile. Listed below are the steps you may must take:
-
Fastidiously carry the strut meeting and align the mounting factors on the strut with these on the automobile.
-
Insert the bolts via 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 beneath.
-
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 will be accessed from the engine bay.
Take away Strut Meeting
Fastidiously pull the strut meeting out of the wheelbase. Chances are you’ll must 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 strain on the coil spring and permit you to 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 beneath 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.
How you can Change a 2013 BMW 335i Strut Mount
Changing a strut mount on a 2013 BMW 335i is a comparatively easy restore that may be accomplished in just a few hours with the appropriate instruments and a bit of mechanical know-how. Here is a step-by-step information that can assist you via 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 automotive on a degree floor and interact the parking brake.
- Open the hood and disconnect the destructive battery terminal.
- Find the strut mount that must be changed. It is positioned on the prime of the strut, the place it attaches to the physique of the automotive.
- Take away the nuts that maintain the strut mount in place. Chances are you’ll 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. Be sure that it is oriented appropriately.
- Tighten the nuts that maintain the strut mount in place. Torque them to the required torque worth.
- Reconnect the destructive battery terminal.
- Test the alignment of the automotive. If the alignment is off, you may must have it adjusted by a certified mechanic.
Individuals Additionally Ask About How you can Change 2013 BMW 335i Strut Mount
How a lot does it value to interchange a strut mount?
The fee to interchange a strut mount can range relying on the make and mannequin of the automotive, in addition to the labor charges in your space. Typically, you possibly can count on to pay between $200 and $500 for the elements and labor to interchange a strut mount.
How lengthy does it take to interchange a strut mount?
Changing a strut mount sometimes takes between 1 and a couple of hours. Nonetheless, this time might range relying on the make and mannequin of the automotive, in addition to your expertise degree.
What are the signs of a nasty strut mount?
There are a number of signs that may point out {that a} strut mount is dangerous. These signs embody:
- 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
