Removing the trunk trim Nissan X-Trail T31 - a task that owners face when installing a subwoofer, repairing electrical wiring or eliminating squeaks. Despite its apparent simplicity, the process requires care: plastic clips are fragile, and incorrect removal can damage the latches or casing. In this article we will analyze step-by-step algorithm taking into account typical mistakes and giving recommendations on tools.

Feature T31 (2007–2013) - a combined system for fastening the casing: there are plastic pistons, metal latches, and screws under decorative plugs. If you plan to work with electricity (for example, connecting additional equipment), be sure to disconnect the negative terminal of the battery 10–15 minutes before starting work - this will prevent a short circuit if the wiring is accidentally touched.

Preparation: Tools and Safety Precautions

Before you begin dismantling, prepare your work space. It is optimal to carry out work in a garage or on a level area with good lighting. You will need:

  • 🔧 Plastic installation tool (or a pick) - for snapping off clips without scratches.
  • 🔩 Phillips screwdriver (PH2) and flat screwdriver (3-4 mm) - for screws and plugs.
  • 🧲 Magnetic holder or tweezers - so as not to lose small parts (pistons, washers).
  • 📦 Container for fasteners - arrange the screws and clips into groups so as not to be confused during assembly.
  • 🧴 Silicone grease (optional) - for treating clips before reinstallation.

Important: do not use metal screwdrivers to pry off plastic clips - this is almost guaranteed to lead to chips. If you don't have a specialized tool at hand, a plastic card or even a strong ruler will do.

⚠️ Attention: If your X-Trail T31 equipped with a system Bose or factory subwoofer, before removing the trim, turn off the audio system via Settings → Sound → Off. Otherwise, the speakers may make popping noises when the connectors are disconnected.
📊 Why do you remove the trunk trim?
  • Installation of acoustics
  • Electrical wiring repair
  • Eliminating squeaks
  • Replacing lamps
  • Other

Removing decorative elements and plugs

The first stage is removing visible obstacles. Start with decorative plugs, which hide the screws for fastening the casing:

  1. Remove plastic trim on the trunk threshold (from the cabin side). It is attached to 2-3 clips - pry it off the edge with a mounting tool.
  2. Unscrew screw under the plug in the upper right corner of the trunk (next to the door hinge). The plug is removed by prying it off with a flat screwdriver.
  3. If your package includes side pockets, remove the screws at their bottom (they may be hidden under the rubber mats).

In some versions T31 (for example, with the package Tekna) will additionally have to be removed decorative trim on the rear door, which is attached to 4 clips. The main thing here is not to pull it towards you, but to carefully move it to the side so as not to break the guides.

Where to look for hidden screws?

In some configurations the screws are hidden under:

- Rubber mat in the niche for the spare wheel (bend the edge).

- Plastic trim on the rear door hinge (removable by moving upwards).

- Decorative insert near the lights (pry it off from the side with a screwdriver).

Dismantling the main casing: step-by-step algorithm

Now let's move on to the casing itself. It is attached to 8–10 plastic clips and 2–4 screws (depending on configuration). Follow this order:

  1. Unscrew all visible screws (usually they are located around the perimeter of the casing and under the previously removed plugs).
  2. Start snapping the clips off top corner (from the rear door). Insert the installation tool into the gap between the trim and the body and press gently until you hear a click.
  3. Move around the perimeter, gradually releasing the clips. Do not pull the trim towards you - it may crack where it is attached to the body.
  4. When all the clips have been released, lift the trim up to free it from guide grooves below.

Pay special attention area near the rear lights. Here the sheathing may cling to wires or light fixtures - do not apply force if you feel resistance. It’s better to look under the casing with a flashlight and check what’s in the way.

All screws are unscrewed (including hidden ones)

Clips snapped off around the entire perimeter

Wiring connectors are disconnected (if any)

There is no resistance when the skin moves ->

Mounting type Quantity Location Removal tool
Plastic clips 8–10 pcs. Along the perimeter of the cladding Editing tool or pick
Screws (phillips) 2–4 pcs. Under the plugs, in the corners Screwdriver PH2
Metal latches 2 pcs. Upper part (at the rear door) Flathead screwdriver (careful!)
Guide grooves 2 pcs. Bottom panel Hands (upward movement)

Working with electrical wiring and connectors

If your goal is access to wires (for example, to install a subwoofer or rear view camera), after removing the trim you will see wiring harnesses, secured with clips or tape. What's important here is:

  • 🔌 Don't pull the wires - they may be soldered to circuit boards or have fragile connectors. Always look for the latch on the block.
  • 📡 If you remove the connector from the speaker, remember its orientation (better take a photo). An incorrect connection may damage the audio system.
  • 🔋 Before disconnecting the connectors, check whether the negative terminal of the battery is disconnected (even if you did this earlier - double-check!).

B X-Trail T31 a common problem with oxidized contacts in the rear light connectors. If you notice a greenish coating, clean it with alcohol or a special spray (for example, Kontakt 60). This will prevent future problems with your turn signals or brake lights.

💡

If you need to run new wire (for example for a camera), use plastic corrugation and attach it along the standard harnesses. This will protect the wire from chafing and simplify future dismantling.

Common mistakes and how to avoid them

Even experienced car owners sometimes make mistakes when removing trim. Here are the most common:

  • 🚫 Broken clips - usually break due to the use of metal tools or excessive force. If the clip is cracked, replace it with a new one (part number for T31: Nissan 80510-3M000).
  • 🔧 Lost screws - especially relevant for screws under plugs. Always put them in a separate container.
  • ⚡ Short circuit - occurs if you do not disconnect the battery and touch the positive wire. Symptoms: The fuse has tripped or the lamps have burned out.
  • 🔊 Damaged speakers — if you remove the casing carelessly, you can hit the speaker membrane, which will lead to wheezing.

One of the most insidious mistakes is incorrect installation of the casing back. If the clips do not snap completely into place, over time the casing will begin to rattle. To avoid this, when reassembling, press the casing at the locations of the clips until you hear a characteristic click.

⚠️ Attention: In some versions X-Trail T31 (for example, with a system Around View Monitor) camera cables run under the trunk trim. If you damage them, the media screen may show artifacts or stop working altogether. Before dismantling, study the wiring diagram for your configuration.

Reassembly: nuances and tips

Putting the trim back on often takes longer than removing it. Here are the key points:

  1. Check that everything wiring connectors connected and secured with latches.
  2. Make sure clips on trim not deformed. If they are bent, straighten them or replace them.
  3. Start with top of the skin — place it under the guide grooves and only then snap the clips around the perimeter.
  4. Tighten the screws criss-crossto avoid warping of the skin.

If after assembly the casing does not fit tightly or creaks, check:

  • Have any foreign objects (wires, tools) gotten under it?
  • Are the metal latches at the top bent?
  • Are the fastening screws loose (sometimes it is necessary to tighten them after several days of use).
💡

If there is still play after assembly, try removing the trim and applying a thin layer silicone grease on clips. This will improve their fixation and eliminate squeaks.

FAQ: answers to frequently asked questions

Is it possible to remove the trunk trim without special tools?

Yes, but with reservations. Instead of a plastic installation tool, you can use:

  • Plastic card (bank or discount card).
  • An old credit card (if you don’t mind).
  • A wooden spatula (for example, for ice cream).

The main thing is that the instrument is not metal and had rounded edges to prevent scratching the plastic.

How long does it take to dismantle the casing?

For the first time the process may take 40–60 minutes, especially if you carefully remove the clips and take pictures of the screw locations. When removing again (for example, for modifications), the time is reduced to 20–30 minutes.

What to do if the clip breaks?

Don't panic - clips are sold separately. For Nissan X-Trail T31 will fit:

  • Original: Nissan 80510-3M000 (set of 10 pcs.).
  • Analogues: Febi 15670 or Hella 8ZL 351 339-741.

If you can't buy a new clip, you can temporarily secure the trim with tape or a plastic clamp (but this is not a long-term solution).

Do I need to remove the rear parcel shelf to access the trim?

No, in most cases this is not required. Trunk trim T31 can be removed independently of the rear shelf (it is attached separately). However, if you need access to audio system amplifier (in configurations with Bose), the shelf will have to be removed - it is secured with 4 screws and 2 clips.

How to avoid squeaks after assembly?

Creaks usually occur due to:

  • Loose clips (check all around the perimeter).
  • Friction of the trim on the body (apply silicone grease to the contact surfaces).
  • Loose screws (tighten them a day after assembly).
  • Foreign objects under the casing (check before installation).

If the squeak remains, try installing it between the trim and the body. foam tape (sold in car audio stores).