The need to dismantle the side rear view mirror occurs quite often among drivers, whether it is replacing broken glass, repainting a body element, or installing a more advanced model with heating and turn signals. Despite the apparent simplicity of the design, this process requires care and understanding of the fastening device, since careless movement can lead to breakage of the plastic latches or damage to the paintwork of the door.
Modern cars are equipped with complex modules where electric control motors, blind spot sensors and even all-round cameras are hidden behind the glass. Dismantling Such a unit requires first disconnecting the battery and careful handling of electrical connectors. In this article we will analyze in detail the algorithm of actions for the safe removal of the mirror element and the entire housing assembly.
Before starting work, it is important to prepare a workplace and the necessary tools so as not to look for a screwdriver at the most crucial moment. Proper preparation takes no more than 10 minutes, but significantly reduces the risk of accidental scratches on the door or damage to the interior trim. We will look at universal methods that apply to most car brands, from budget models to the premium segment.
Preparing tools and work area
High quality tools - this is half the success when carrying out body work. You don't need specialized, expensive equipment to remove a mirror, but using inappropriate items like kitchen knives or sewing needles can lead to disastrous results. The main attention should be paid to protecting the paintwork of the door and dashboard from accidental damage from metal parts of tools.
You will need flathead and Phillips screwdrivers of different sizes, as well as a set of plastic mounting spatulas. The plastic should be hard enough to pry the elements, but soft so as not to leave marks. Working with wiring and fasteners inside the door card often requires a screwdriver extension, as access to some screws may be limited by the door design.
- π οΈ Set of plastic spatulas for removing clips and trim
- π§ Screwdrivers with magnetic tips (phillips and flat)
- π§€ Thin work gloves to protect hands and keep parts clean
- π¦ Powerful flashlight for illuminating hard-to-reach places near the door
Particular attention should be paid to the cleanliness of hands and tools, since greasy stains on the inside of glass or plastic parts will subsequently be difficult to remove. If you plan to do electrical work, make sure you have a multimeter to test the continuity of circuits, although in most cases a visual inspection will be sufficient. Plastic spatulas Itβs better to have a spare, as they often break when working with tight-fitting clips.
β οΈ Attention: Never use metal screwdrivers to pry up interior components or external plastic trim without a protective pad. Scratches left on the plastic cannot be restored and will require replacement of the entire part.
Removing the mirror element (glass)
If your goal is only to replace the broken glass or heating element, there is no need to remove the entire mirror housing from the car door. It is enough to carefully remove it yourself mirror element from the rotary mechanism. This stage requires special care, since the glass is fixed with plastic latches, which are easily broken with a sharp jerk.
There are two main ways to remove glass: through a hole in the case or by partially disassembling the inside. In the first case, if the design allows, you can carefully pry the glass with a flat screwdriver, pre-wrapped with electrical tape, from the inside. However, a safer method is to access the mounting tabs through a removed internal plug or rotary mechanism.
The process begins by turning the glass to its extreme position to expose the gaps. You need to act slowly, evenly distributing the force around the perimeter. If you hear a characteristic crack, it means that one of the latches has snapped, and you need to pull from the opposite side so as not to overload the remaining latches.
The secret to removing tough glass
If the glass does not give way, you can slightly warm its surface with a hair dryer at the minimum temperature. The heat will expand the plastic and release the tension, but be careful not to overheat or deform the reflective element or heater itself.
Disassembling the inner door card
To access the mirror housing mounting bolts and electrical connectors, most vehicles must be partially dismantled door trim. This is the most labor-intensive stage, requiring knowledge of the location of hidden fasteners. Improper removal of the card can lead to breakage of the pins or deformation of the panel itself.
Start by removing any visible screws; they may be hidden under trim caps, in the door handle, or in the speaker well. After unscrewing all the bolts, you need to carefully press out the plastic clips around the perimeter of the card using a plastic spatula. Movements should be confident, but not overly strong.
- πͺ Remove decorative covers from handles and speakers
- π© Unscrew all accessible screws securing the trim
- π Disconnect the speaker and power window button connectors
- π Gently pull the door card up and towards you to remove it from the pistons
After removing the main part of the card, do not pull it sharply, as there may be wires connected to it. Disconnect all electrical connectors, including the power window controls and central locking. Now you will have access to the inner metal frame of the door, where fasteners are often hidden mirror module.
βοΈ Check before card withdrawal
Disconnecting electrical connectors
Modern side mirrors are complex electronic devices that consume current to heat, adjust their position and operate the turn signals. Before physically disconnecting the wires, you must cut off the power car by removing the negative terminal from the battery. This will eliminate the risk of short circuits and damage to the body electrical control units.
The connectors can be located directly at the base of the mirror or lead inside the door through technological holes. In some models such as BMW or Mercedes, the wiring runs through the entire door and connects to the central unit. It is important to remember or photograph the connection order so as not to confuse the contacts during assembly.
β οΈ Attention: Do not pull on the wires themselves when disconnecting the connectors. Grab only the connector body. Pulling out the wires can cause wires inside the insulation to break, which will cause problems with the operation of the electric drive in the future.
If the connector has a locking tab, you must first press it out. In cases where access to the connector is difficult, use thin tweezers or a special terminal puller. After disconnecting, it is recommended to insulate the ends of the wires or secure the connectors with tape so that they do not dangle and interfere with further work.
Take photographs of the location of connectors and harnesses before disconnecting. This will help quickly restore the electrical circuit during reassembly, especially if you are working on the car for the first time.
Removing the mirror housing from the door
The final stage of dismantling is unscrewing the mounting bolts holding the mirror housing to the car door. Typically three or four bolts are used, accessible after removing the skin. In some designs, one of the bolts may be hidden under a decorative trim on the mirror itself or require removal of the glass seal.
Use a socket or screwdriver of the appropriate size to remove the fastener. Hold the mirror body with your other hand so that it does not fall after unscrewing the last bolt. The weight of the module can be significant, especially if it is equipped with a massive base and electronics.
| Car make | Number of bolts | Mounting type | Features |
|---|---|---|---|
| Toyota Camry | 3 pcs. | Internal | Removal of triangular trim required |
| Volkswagen Polo | 3 pcs. | Internal | Door access |
| Hyundai Solaris | 3 pcs. | Internal/External | Depends on year of manufacture |
| Kia Rio | 3 pcs. | Internal | Hidden bolt under the plug |
After unscrewing all the bolts, carefully pull the mirror away from the door, making sure nothing gets caught. If the mirror cannot be removed, do not use force - check that all bolts are unscrewed and all connectors are disconnected. Mounting studs should come out of the holes freely, without jamming.
The main rule of dismantling: if the part does not come off, it means you forgot to unscrew the fasteners or disconnect the connector. The use of force is unacceptable here.
New mirror installation and assembly
Installation of a new mirror element is carried out in the reverse order of dismantling. First of all, the electrical connectors are connected, and the functionality of all functions is checked: adjustment, heating and turn signals. Only after making sure that it is in good working order can you begin to fix the body to the door.
When installing the chassis, it is important to align the mounting holes correctly. Do not tighten the bolts all the way right away - first tighten everything by hand to ensure correct positioning. Then tighten the fasteners evenly, observing the recommended tightening torque, if specified in the manual.
- π Connect all electrical connectors before installation
- π©Tighten the mounting bolts by hand for alignment
- π§ Tighten the bolts completely evenly
- πͺ Install the door card and check the operation of the power windows
The final stage is the installation of the door card and all decorative elements. Make sure that all the pistons are intact, and if necessary, replace them with new ones. After assembly, check the tight fit of all parts and the absence of squeaks when closing the door.
What to do if the new mirror does not fit in the connector?
In some cases, when replacing mirrors with analog ones or models from other configurations, the configuration of the electrical connector may not match. In such a situation, you can carefully resolder the contacts from the old mirror to the new one, observing the color coding of the wires, or use an adapter if it is commercially available. The main thing is not to connect the wires simply by twisting them, as vibrations will quickly break the contact.
How to remove a mirror if the bolts are stuck?
If the mounting bolts cannot be removed due to corrosion, do not use excessive force to avoid stripping the threads. Treat the joints with a penetrating lubricant (such as WD-40) and leave for 15-20 minutes. You can also gently tap the bolt head to break up the oxides. In extreme cases, local heating helps, but with caution so as not to damage the paintwork of the door.
Do I need to calibrate the mirror after replacing it?
For conventional mechanical or electric mirrors, no calibration is required - just adjust the viewing angle using the buttons. However, if your mirror has a blind spot monitoring system or camera, after replacement it may require software activation or calibration through a diagnostic scanner for the system to work correctly.