Removing the rear door lock of the ŠKODA Octavia Tour: instructions with photos and nuances

Rear door lock ŠKODA Octavia Tour - a unit that sooner or later requires attention: from banal jamming to microswitch failure or wear of rods. Unlike the front doors, access to the mechanism from the rear is complicated by the casing and wiring arrangement, but with the right approach, the work can be done independently without contacting service. This article covers all generations of the model - from A5 (2004–2013) to restyled versions A7 FL (2017–2023), taking into account the features of the liftback and station wagon bodies.

We will analyze not only the standard dismantling procedure, but also typical pitfalls: how not to damage the plastic trim clips, what to do if the locking cable breaks, and why the central locking may not work after replacing the lock. At the end you will find a FAQ with answers to frequently asked questions and a table of spare parts compatibility for different years of manufacture.

Preparation: Tools and Safety Precautions

Before you get started, make sure you have everything you need. The absence of even one tool can turn a simple procedure into hours of torture. Here minimum set:

• 🔧 Socket wrenches by 10 and 13 mm (for attaching the door hinge, if complete dismantling is required).
• 🔨 Plastic mounting blades or mediators - for removing the casing without damage.
• ⚡ Multimeter (if the problem is electrical, check the microswitch or activator).
• 🔗 Screwdriver set: Phillips (PH2), flat (for clamps), Torx T20/T25.
• 🧲 Magnetic holder - so as not to lose the screws in the door cavity.

Pay special attention trim fasteners. On Octavia Tour they are fragile, especially in models before 2010. If the clip breaks, it will have to be replaced (original article number - 1U0 868 231 for front doors, but universal analogues from Hella or Febi). Also prepare heat-shrink — when the wiring is disconnected, the contacts may oxidize.

⚠️ Attention: If the door is locked in the closed position, do not try to open it by force! First remove the interior trim (see section 3), then manually disconnect the lock rod. Using brute force can damage the hinge or window regulator.

Rear door lock diagram: what's inside?

To understand how to properly remove the mechanism, you need to understand its structure. Rear door lock Octavia Tour consists of several key elements:

1. Mechanical part - the actual lock with a cylinder and a latch. In models with central locking, the activator (motor).
2. Rods and cables - connect the lock with the inner handle, the outer handle and the lock button.
3. Microswitch — signals the comfort unit about the door status (open/closed).
4. Electrical wiring — power supply to the activator and sensor (on models with electric drive).

The diagram below shows the arrangement of elements for Octavia A7 (similar for other generations, adjusted for trim design):

element	Location	Typical faults
Central locking activator	Inside the castle, under the casing	The lock does not work, it buzzes but does not open
Locking cable	From the button on the trim to the lock	Breakage, jamming (the door does not lock)
Microswitch	On the lock body	False alarm of the “door open” sensor
External handle pull	From handle to lock	Flying off the seat, plastic wear

On Octavia Tour A5 Until 2008, in rear door locks, the plastic lock of the outer handle rod often breaks - this leads to the fact that the door can only be opened from the inside. In such cases, it is enough to replace the retainer (part no. 1U2 837 715), and not the entire castle.

Step-by-step removal of door trim

The first and most important stage is removing the casing. The main thing here is to take your time and not break the clips. Let's start with preparation:

1. Lower the glass all the way (if it doesn't work, remove the door card in the half-open position).
2. Unscrew the screw securing the door handle (under the decorative trim).
3. Remove the speaker cover (if equipped) - it is secured with latches.
4. Using a plastic spatula, carefully pry up the trim, starting at the bottom corner.

On Octavia A7 FL the casing is secured with 8–10 clips and 2–3 screws (depending on the configuration). On A5 There may be no screws at all - only clips. Do not pull the casing towards you! It is removed by moving upwards, since the lower part is placed behind the threshold.

Disconnect the negative terminal of the battery (to avoid short circuit)|Take a photo of the location of the clips|Prepare a box for screws and small parts|Check for hidden screws under the handle or speaker-->

After removing the casing you will see inside of the door with waterproofing film. It does not need to be removed completely - just bend it at the point of access to the lock. Be careful: there may be drops of water under the film (especially if the drainage holes do not work).

⚠️ Attention: On models with electric windows Before removing the trim, be sure to turn off the power to the door (remove the connector from the control unit). Otherwise, if you accidentally press the button, the glass may pinch your fingers or damage the mechanism.

Dismantling the lock: mechanics and electrical

Now that the trim has been removed, you can start working on the lock. The procedure differs depending on the type of fault:

1. Mechanical lock (without central locking)

If your Octavia Tour is not equipped with central locking (a rarity for models after 2006), the algorithm is simple:

1. Disconnect the rods from the lock (they are secured with plastic latches).
2. Unscrew 2-3 bolts securing the lock to the door (usually T25 Torx).
3. Remove the lock through the access hole.

2. Lock with central locking (CL)

It's more difficult here because of the electrics. First, disconnect the activator power connector (it can be either on the lock itself or on a separate harness). Then:

1. Remove the rods (outer handle, inner handle, lock button).
2. Unscrew the mounting bolts (usually 3 pieces).
3. Carefully remove the lock without pulling on the wires.

On Octavia A7 with the system Keyless additionally installed in the lock proximity sensor. When dismantling, do not touch it with metal tools - this may damage it.

How to check the central locking activator without removing the lock?

Connect the multimeter in dialing mode to the contacts of the activator connector. When 12V is applied to the contacts (usually red “+” and black “–”) you should hear a click. If there is no click, but there is voltage, the activator is faulty. If there is no voltage, the problem is in the wiring or the comfort unit.

Typical faults and their elimination

In 80% of cases, the rear door lock Octavia Tour breaks for the same reasons. Let's look at the most common ones:

1. The door does not open from the outside, but opens from the inside

Reason: breakage or dismounting of the outer handle rod. Solution:

• 🔧 Replace the rod (part no. 1U2 837 715 for A5, 5E2 837 715 for A7).
• 🔄 If the rod is intact, check the lock on the handle - it could be cracked.

2. Central locking does not lock the rear door

Reasons:

• 🔋 The activator is faulty (checked with a multimeter).
• 🔌 Broken wiring (often frays in the corrugation near the door hinge).
• 📶 Problems with the comfort unit (diagnostics required VCDS).

First check the power at the activator connector. If there is 12V, but there is no blocking, change the motor. If there is no power, look for a break or “ring” the wiring to the comfort unit.

3. The “door open” sensor is constantly on

Reason: jammed or oxidized microswitch. Solution:

• 🧹 Clean the contacts with alcohol.
• 🔧 If this does not help, replace the microswitch (part number 1U0 959 757).

New lock installation and assembly

Installation of a new lock is carried out in the reverse order, but there are several critical nuances:

1. Lubrication. Before installation, apply silicone grease on the rubbing parts of the lock and rod. Do not use WD-40 or lithol - they attract dust.
2. Adjustment. After installation, check the latch movement: the door should close with slight force. If necessary, adjust the position of the lock with the fastening bolts.
3. Electrical check. Connect the activator connector and check the operation of the central locking system up to final assembly of the casing.

On Octavia A7 FL after replacing the lock it may be necessary comfort block adaptation (if the activator or microswitch has been changed). This is done through a diagnostic scanner (VCDS, ODB11):

Adaptation → Block 46 (Central locking) → Channel 01 → Save

If the door does not close properly after assembly, check:

• 🚪 Door alignment. The hinges may have sagged (adjustable with bolts on the stand).
• 🔒 Alignment of the lock and latch. If installed incorrectly, the latch will catch on the edge.

Tips for preventing breakdowns

To lock the rear door ŠKODA Octavia Tour served longer, follow simple recommendations:

• 🧴 Lubrication. Treat the mechanism once a year silicone spray (for example, Liqui Moly Silicon-Spray).
• 🚿 Cleaning drains. Clogged holes at the bottom of the door lead to corrosion of the lock. Blow them out with compressed air.
• 🔋 Battery. Monitor the on-board network voltage. When the charge is low, the central locking activators operate with overload.
• 🔧 Handles. Do not slam the door while holding the outside handle - this will deform the rods.

Treat door seals for winter glycerin - this will prevent freezing and wear of the mechanism. If the door begins to “creak” when opening, do not ignore the symptom: most likely, the hinge or lock needs lubrication.

FAQ: Frequently asked questions about locks Octavia Tour

Can the lock be repaired or is it just a replacement?

In most cases, the lock can be repaired. Most often they break:

• Plastic rod clamps (can be replaced separately).
• Central locking activator (sold separately, article no. 1U0 837 857 for A5).
• Microswitch (replacement in 10 minutes).

A complete replacement of the lock is required only if the case or cylinder is damaged.

What is the part number for the rear door lock on Octavia A7 2015?

For Octavia Tour A7 (2013–2017) original articles:

• Left lock: 5E2 837 067 A (with central locking) or 5E2 837 068 A (without central locking).
• Right lock: 5E2 837 069 A (with central locking) or 5E2 837 070 A (without central locking).

For restyled A7 FL (2017–2023) letter added B at the end of the article.

Why does the central locking not work after replacing the lock?

Probable reasons:

1. The activator connector is not connected.
2. Adaptation of the comfort unit is required (see section 6).
3. The wires are mixed up (the activator connector usually has 3 contacts: “+”, “–”, signal).

Check with a multimeter for the presence of 12V on the connector when you press the key fob.

How to remove the lock if the door is locked and will not open?

Algorithm for Octavia Tour:

1. Remove the door trim from the passenger compartment (see section 3).
2. Through the technological hole, find the rod of the internal handle.
3. Pull the rod manually and the door will open.
4. If the linkage is broken, you will have to remove the glass (unscrew the 2 window lifter bolts).

As a last resort, you can drill out the lock cylinder, but this will damage the door.

How much does it cost to replace a lock at a service?

The cost of work depends on the region and complexity:

• Replacing a lock (without central locking): 1,500–2,500 rub.
• Replacing a lock with central locking: 2,500–4,000 rub. (additional adaptation may be required).
• Activator repair: 1,000–1,800 rub.

Spare parts price:

• Original lock: 4,000–7,000 rubles.
• Analogue (Febi, TRW): 2,500–4,000 rub.