Assembly Nissan Terrano - a task that requires not only technical skills, but also an understanding of the design features of this SUV. Regardless of whether you are engaged engine overhaul, restoration after an accident or simply returning the car to its original condition after disassembly, every stage of assembly is important. Errors at this stage can lead to serious damage, leaks of technical fluids, or even failure of electronic systems due to incorrect connection of connectors.
In this guide, we'll walk you through the assembly process step by step, from installing the powertrain to final adjustments to the suspension and electronics. We will pay special attention typical mistakes, which even experienced craftsmen admit, as well as nuances characteristic of different generations Terrano (including R51 And R20). If you are working with a model based on Renault Duster, please note that some components (for example, the front suspension) may have differences - we will also note them.
1. Preparing for assembly: tools, diagrams and safety
Before you begin assembly, make sure you have everything you need. Without the right tools and documentation, the process can drag on for weeks, and the risk of errors increases significantly.
Here minimum setwhich you will need:
- 🔧 A set of sockets and keys (required with
10 mm,12 mm,14 mm,17 mmAnd19 mm) - 🔨 Torque wrench (for tightening bolts to the required torque)
- 📏 Vernier calipers or micrometer (to check gaps)
- 🔌 Multimeter (for electronics diagnostics)
- 📄 Electronic version service manual for your model (eg
Nissan Terrano R51 Workshop Manual)
Pay special attention cleanliness of the work space. Dust, sand or metal shavings that get into the engine or transmission can cause premature wear. Use compressor for purging parts before installation and magnetic pallets for collecting small metal particles.
⚠️ Attention: If you took apart Terrano after an accident, be sure to check the body geometry for slipway before assembly. Even minor distortions can lead to problems with door closing, suspension operation, or interior sealing.
- Engine
- Suspension
- Electronics
- Transmission
- Body work
2. Installation of engine and gearbox
Assembling the power unit is the most critical stage. Let's start with the fact that the engine and gearbox must be balanced and checked before installation. If you carried out a major renovation, make sure that:
- 🔄 The crankshaft and camshafts are balanced (permissible imbalance - no more than
10 g cm) - 🛢️ All seals and gaskets have been replaced with new ones (especially seals oil pump And crankshaft rear oil seal)
- ⚡ Compression in the cylinders was checked (normal for Nissan MR20DE —
12–14 bar)
When installing the engine, use special guide pins for the gearbox to avoid misalignment. Tighten the bolts securing the engine to the subframe in 3 stages:
- Pre-torque
20 Nm - Final torque
50–60 Nm(see the manual for exact values) - Check after
100 kmmileage
For models with CVT Jatco JF011E be sure to check the oil level in the box after installation. Use only original fluid Nissan CVT Fluid NS-2 - other analogues can lead to belt slippage and failure of the variator.
Make sure there are no foreign objects in the engine compartment|
Check oil and coolant levels|
Connect all electrical connectors (especially crankshaft and camshaft position sensors)|
Check the tightness of the fuel system (no leaks after connecting the hoses)|
Disconnect the fuel pump (for the first cranking with the starter without starting) -->
3. Suspension assembly: front and rear
Suspension Nissan Terrano (especially in the version R51) is known for its reliability, but only when assembled correctly. Let's start with front suspensionwhich includes racks McPherson, levers and steering rack.
When installing new shock absorber struts required:
- 🔧 Use spring ties for safe installation
- 🔄 Check the status support bearings (if there is play, replace it)
- 📏 Set the correct one
wheel alignmentafter assembly (primary values: toe0°10' ± 5', camber-0°30' ± 30')
For rear suspension (multi-link or torsion beam, depending on the model) it is critical to correctly tighten the bolts securing the arms. Use a torque wrench 80–100 Nm for trailing arm bolts and 50–60 Nm for transverse ones.
⚠️ Attention: If you replaced silent blocks, do not tighten the control arm bolts until the vehicle is on its wheels under full load. Otherwise, the silent blocks will quickly fail due to incorrect position.
| Suspension unit | Tightening torque, Nm | Notes |
|---|---|---|
| Bolts securing the strut to the steering knuckle | 80–100 | Tighten with loaded suspension |
| Ball joint nut | 40–50 | Check play after tightening |
| Rear beam mounting bolts | 120–140 | Use new bolts |
| Wheel bearing nuts | 180–200 | Tighten with preload |
4. Electronics and wiring: how to avoid short circuits
One of the most treacherous stages is connecting electronics. Even one incorrectly connected chip can lead to sensor failure, check engine or even fire due to a short circuit. Let's start with the basic rules:
All connectors must be clean and dry. If there is oxidation on the contacts, treat them contact lubricant (For example, Liqui Moly Electronic-Spray). Pay special attention to:
- 🔌 Connector ECU (usually located under the glove compartment or near the battery)
- 🔋 Sensor wiring
crankshaftAndcamshaft(If connected incorrectly, the engine will not start) - 💡 Connectors headlights And fog lights (a common cause of blown fuses)
After connecting all connectors necessarily check the circuits with a multimeter in mode calls. Make sure that:
- No short circuit to
mass - The resistance of the sensor circuits is normal (for example, for temperature sensor —
2–3 kOhmat20°C)
How to check the ECU for functionality?
If after assembly the engine does not start and all the indicators on the dashboard are on, the engine may be faulty. ECU. To check:
1. Disconnect the battery for 10 minutes, then connect again.
2. Check the voltage on the contacts B+ And GND (must be 12 V).
3. If the ECU does not send signals to the injectors (checked by a tester), replacement or flashing is required.
5. Brake system: bleeding and adjustment
After assembling the brake system Nissan Terrano it's definitely needed pump upto remove air from the hydraulic drive. To do this, you will need an assistant and a standard bleeding kit (hose + container).
Pumping order:
- Start with rear right wheels.
- Unscrew the fitting on
1/2 turn, ask an assistant to press the brake pedal all the way and hold it down. - Tighten the fitting, then release the pedal. Repeat 3-4 times until no more air bubbles come out.
- Repeat the procedure for the remaining wheels in the order: rear left → front right → front left.
After bleeding, check the brake fluid level in the reservoir - it should be between the marks MIN And MAX. If the level drops, add fluid DOT-4 (for Terrano R51) or DOT-5.1 (for newer models).
⚠️ Attention: If the brake pedal remains soft after bleeding, check the system for leaks. A common problem is brake master cylinder leak or wear of the cuffs in the calipers. In this case, replacement of faulty components is required.
If the brake pads are new, avoid sharp braking for the first 200 km - this is necessary for them to properly break in to the discs.
6. Final check and first launch
Before starting the engine for the first time after assembly, perform full diagnostics:
- 🔋 Check the battery voltage (must be at least
12.6 V) - 🛢️ Make sure there are no oil, antifreeze or brake fluid leaks
- 🔌 Test all electrical systems (headlights, turn signals, windshield wipers, heater)
When starting for the first time, the engine may run unstable - this is normal, since ECU adapts to new conditions. Let it idle 5–10 minutes, then check:
- 📊 No errors on the dashboard (use scanner ELM327 for deep diagnostics)
- 🔊 Extraneous noises (engine knocks, suspension creaks)
- 🌡️ Engine temperature (should stabilize at
90–95°C)
After successful launch, complete test drive for 5–10 km, avoiding high speeds and sudden maneuvers. Pay special attention to:
- 🔄 Gearbox operation (smooth shifts, no jerking)
- 🚗 Handling (the car should not pull to the side)
- 🛑 Braking efficiency (braking distance must be predictable)
If vibrations appear on the steering wheel or body after assembly, most likely you need to balance the wheels or check the engine/gearbox mounting.
FAQ: Frequently asked questions about Nissan Terrano assembly
Is it possible to assemble the Terrano without a torque wrench?
Technically possible, but highly not recommended. Without torque control, you risk:
- 🔧 Tighten the bolts (which will lead to thread failure or deformation of parts)
- 🔩 Undertighten critical components (for example, wheel nuts or engine mounts)
If you don't have a torque wrench, use torque tables and tighten the bolts by feel, but this is a temporary solution - buy or rent a tool as soon as possible.
What antifreeze should I use in Terrano R51?
For Nissan Terrano R51 (2014–2020) antifreeze based on ethylene glycol with markings G12+ or G12++. Cooling system volume - 6.5 l. When mixing different types of antifreeze, a sediment may form that will clog the radiator.
What should I do if the speedometer does not work after assembly?
The reasons may be as follows:
- 🔌 The speed sensor connector is not connected (located on the gearbox)
- 🔄 Damaged wiring from the sensor to the dashboard
- 📉 The sensor itself is faulty (check the resistance - it should be
1–1.5 kOhm)
Start by checking the connector and the integrity of the wires. If the problem persists, diagnose ECU or dashboard.
Do I need to register new injectors in the ECU after replacement?
For Nissan Terrano with engines MR20DE or K4M (1.6/2.0 l) No injector registration required, since the ECU automatically adapts to their parameters. However, after replacement it is recommended:
- 🔧 Reset fuel system adaptations (can be done via diagnostic scanner)
- 🚗 Drive 50–100 km in gentle mode for calibration
How often do you need to change the oil in the Terrano CVT?
Official regulations Nissan provides for changing the oil in the variator JF011E every 60,000 km. However, under difficult operating conditions (towing, off-road, frequent traffic jams), it is better to reduce the interval to 40,000 km. Use only original fluid NS-2 or NS-3 (for new models).