Changing a strut mount on a 2013 BMW 335i is a job that may be accomplished by a novice mechanic with the best instruments and slightly little bit of persistence. The strut mount is a important part of the automobile’s suspension system, and a worn-out mount can result in various 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 exchange them if crucial.
Step one in changing a strut mount is to assemble the required instruments and elements. You will have a socket wrench set, a torque wrench, a brand new strut mount, and a jack. After you have all the pieces you want, you may 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 aspect 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 may 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 position the brand new mount on high of the strut meeting. Then, you will have to insert the three bolts and tighten them right down to the desired torque. As soon as the bolts are tightened, you may put the wheel again on and decrease the automobile. As soon as the automobile is on the bottom, you may torque the bolts to the right specs. Lastly, you may check drive the automobile to ensure that the brand new strut mount is working correctly.
Figuring out the Strut Mounts
Strut mounts, also referred to as suspension mounts or shock mounts, are essential parts that join the suspension struts to the automobile’s chassis. They play a significant position in stabilizing the suspension system, decreasing vibrations from the street, and enhancing total experience 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 sometimes positioned on the high of the entrance and rear suspension struts. They are often accessed by eradicating the wheels and wheel properly liners to show the parts. 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 properly liners and expose the suspension parts.
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 achieve the rear strut mounts, you will have to take away the trunk liner or entry panel to show the suspension system.
Here’s a desk summarizing the placement of the strut mounts in a 2013 BMW 335i:
| Location | Description |
|---|---|
| Entrance | Positioned 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 |
Making ready the Work Space
Earlier than you start working in your BMW 335i, it is vital to organize the work space. This can allow you to keep organized and environment friendly, and it’ll additionally assist to stop accidents.
Listed here are some suggestions 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, you will need to take security precautions to keep away from harm. Listed here 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 sizzling.
- Pay attention to 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 record of instruments and supplies you will have to vary the strut mount in your BMW 335i:
| Device 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 may 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 giant screwdriver to softly pry the strut meeting away from the decrease management arm. As soon as the strut meeting is unfastened, fastidiously carry it out of the wheel properly.
| Instruments Required |
|---|
| Spanner or socket wrench |
| Pry bar or giant 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 here 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 unfastened, 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 stop harm 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. You will need to take away the washer together with the sway bar finish hyperlink, because it helps to distribute the load and forestall the sway bar from changing into unfastened. Rigorously 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 may start separating the strut from the steering knuckle. Listed here 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 Free (Choice 1)**
Insert a pry bar or a big flat-head screwdriver between the steering knuckle and the strut meeting. Rigorously pry the strut unfastened from the knuckle by making use of leverage. It’s possible you’ll want to make use of some power, however keep away from damaging any parts.
**Step 3: Pry the Strut Free (Choice 2)**
If the strut is especially caught, you should utilize a pickle fork software. 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 unfastened, releasing it from the knuckle.
| Methodology | Execs | Cons |
|---|---|---|
| Pry Bar | Much less prone to harm parts | Could require extra power |
| Pickle Fork | More practical on cussed struts | Can doubtlessly harm parts if not used fastidiously |
**Step 4: Take away the Strut Bolt**
As soon as the strut is unfastened, 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 linked 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 influence wrench or socket wrench to loosen the bolts. Don’t take away them utterly at the moment.
3. Help 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 harm or put on. Whether it is broken, it should have to 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 stop 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 desired torque.
9. Take away the jack or jack stand from beneath the strut meeting.
10. Repeat the method for the opposite aspect 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 unfastened, 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 comfortable, 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 comfortable however don’t overtighten it.
To make sure the right alignment and performance of the strut mount, you will need to torque the bolts to the desired 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 may join the opposite parts of the suspension, reminiscent of management arms, ball joints, and anti-sway bars, and tighten all bolts to the desired torque worth.
To confirm the set up, it’s a good apply to take the automobile for a check drive and test for correct dealing with and experience high quality. If the automobile reveals any uncommon conduct or noises, examine the strut mount and make crucial 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 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 desired torque worth |
| 9 | Join different suspension parts |
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 desired 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 desired 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 here are the steps you may have to take:
-
Rigorously carry 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 desired 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 desired torque utilizing a torque wrench.
-
Torque Specs
Confer with the next desk for the torque specs for the strut mounting bolts:
Bolt Dimension 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
Rigorously pull the strut meeting out of the wheelbase. It’s possible you’ll have to wiggle it barely to dislodge it.
Compress Coil Spring
Utilizing a coil spring compressor, compress the coil spring on the strut meeting. This can launch the stress on the coil spring and help 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 desired torque. Confer with the desk beneath for torque specs.
| Bolt Dimension | 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 desired torque utilizing a socket wrench. Confer with your automobile’s service handbook or a dependable on-line useful resource for the right torque specification.
How one can 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 a couple of hours with the best instruments and slightly mechanical know-how. Here is a step-by-step information that can assist 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 interact the parking brake.
- Open the hood and disconnect the unfavourable 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. It’s possible 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 accurately.
- Tighten the nuts that maintain the strut mount in place. Torque them to the desired torque worth.
- Reconnect the unfavourable battery terminal.
- Verify the alignment of the automobile. If the alignment is off, you may have to have it adjusted by a professional mechanic.
Folks Additionally Ask About How one can Change 2013 BMW 335i Strut Mount
How a lot does it price to interchange a strut mount?
The price to interchange a strut mount can range relying on the make and mannequin of the automobile, in addition to the labor charges in your space. Basically, you may anticipate 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 could range 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 embody:
- Clunking or rattling noises when driving over bumps or uneven surfaces
- Uneven tire put on
- Lowered dealing with and stability
- Squealing or creaking noises when turning
