Torn outer boot CV joint on Nissan X-Trail T31 is a problem that cannot be ignored. Even a small crack allows dirt and moisture to enter the joint, which accelerates wear of parts by 5–10 times. If traces of grease or visible damage appear on the boot, replacement must be carried out within 1–2 weeks, otherwise the risk of failure of the entire drive increases to 80%. This article contains detailed instructions with photos, selection of original and analog spare parts, as well as typical mistakes that even experienced car owners make.
The procedure for replacing the boot with T31 has its own characteristics: here it is important to correctly dismantle the drive shaft without damaging the gearbox seals, and correctly install new clamps. We will analyze two options - with and without removing the CV joint (if the condition of the joint allows), and will also tell you how to check the operation of the system after repair. For beginners, step-by-step video instructions are provided, and for experienced craftsmen, a table of compatibility of spare parts and tools is provided.
Signs of a faulty CV joint boot on a Nissan X-Trail T31
The first symptoms of a problem often go unnoticed until the joint begins to crunch on turns. But there are also earlier signals that will help avoid costly repairs:
- 🔍 Traces of grease on the inside of the wheel or fender liner - the main sign of a boot rupture. CV joint grease has a black or dark brown color and a thick consistency.
- 🔊 Creaking when turning the steering wheel at low speeds (for example, when parking). The sound comes from the side of the damaged boot.
- 🚗 Vibration on the steering wheel when accelerating to 40–60 km/h, which disappears at higher speeds.
- 🛑 Jerks when starting from a stop - indicate critical wear of the hinge due to the ingress of abrasive particles.
If you ignore these symptoms, everything will need to be replaced within 3-6 months. outer CV joint, the cost of which is 3–5 times higher than that of anther. Wear and tear occurs especially quickly in winter, when there is a lot of reagents and salt on the roads.
⚠️ Attention: On Nissan X-Trail T31 with all-wheel drive (4WD), damage to the rear CV joint boot appears similarly, but it is more difficult to diagnose due to the enclosed space. Check the condition of the boots at every service or every 30,000 km.
- Every 10,000 km
- Only when symptoms appear
- Once a year
- Never checked
What tools and spare parts will be needed
To replace the outer CV joint boot with X-Trail T31 No specialized tools are needed, but there are a few nuances. For example, to remove the drive shaft you will need circlip puller, and to install new clamps - crimping pliers. Full list:
| Category | Name | Note |
|---|---|---|
| Tools | Jack and stops | Be sure to secure the vehicle on a level surface |
| Tools | 32 mm head | To unscrew the hub nut (tightening torque 220–250 Nm) |
| Tools | Slotted screwdriver | For removing old clamps |
| Spare parts | Outer CV joint boot | Original: 39310-4M000 (left/right) |
| Spare parts | Clamps (2 pcs.) | We recommend Norma or ABRO (article depends on diameter) |
| Consumables | Grease for CV joints | Optimal: Molykote BR2 Plus or LIQUI MOLY LM47 |
When choosing anther, pay attention to installation side (left/right) - they are not interchangeable! Also check the package: some kits come with clamps, others do not. For X-Trail T31 with engines MR20DE (2.0 l) and QR25DE (2.5 l) the same boots fit, but on diesel versions (M9R) there may be differences in length.
Before purchasing a boot, measure the diameter of the old clamp with a caliper - this will help you choose the correct size for the new clamps. Stores often sell universal sets where the clamps do not fit in diameter.
Step-by-step instructions for replacing the boot
The replacement process can be divided into 3 stages: Removing the drive shaft, replacing the boot And reassembly. On Nissan X-Trail T31 with automatic and manual transmissions the algorithm is the same, but on all-wheel drive versions (4WD) you will additionally need to unscrew the driveshaft from the transfer case.
An important point: if the CV joint is already crunches, there is no point in changing the boot - the entire hinge will need to be replaced. Below are instructions for the case when the CV joint is still in good condition, but the boot is torn.
☑️ Preparing to replace the boot
-
Removing the drive shaft:
- 🔧 Unscrew the hub nut (you will need an extension and a lever).
- 🔨 Carefully knock the CV joint out of the hub with a hammer through a wooden spacer.
- 🔩 Disconnect the inner CV joint from the gearbox (a mount will be required).
-
Replacing the boot:
- ✂️ Cut off the old clamps and remove the damaged boot.
- 🧴 Rinse the CV joint thoroughly with gasoline and apply new lubricant (20–30 grams).
- 🔄 Install a new boot, starting from the inside (closer to the box).
- 🔗 Secure the clamps with crimping pliers (do not use pliers!).
-
Assembly:
- 🔧 Install the drive shaft in place, starting with the inner CV joint.
- 🔨 Drive the outer CV joint into the hub until it clicks.
- 🔩 Tighten the hub nut to a torque of 220–250 Nm.
⚠️ Attention: When installing the boot, do not use sealant or glue - it should fit tightly due to correctly crimped clamps. The sealant can damage the boot rubber when heated.
What to do if the CV joint does not come out of the hub?
If the CV joint is stuck in the hub, do not hit it directly with a hammer - this will damage the splines. Use a puller or heat the hub with a hair dryer (not higher than 100°C) for 5–10 minutes. Thermal expansion will help remove the hinge without effort.
Choosing anther: original vs analogues
Original anthers from Nissan (article 39310-4M000) are 2–3 times more expensive than their analogues, but their service life is 100,000+ km if installed correctly. However, there are worthy alternatives on the market that are not inferior in quality:
| Brand | Article | Cost (RUB) | Features |
|---|---|---|---|
| Nissan (original) | 39310-4M000 |
2 500–3 200 | Soft rubber, frost-resistant down to -40°C |
| GKN (Loebro) | DSK025 |
1 200–1 500 | Reinforced design, suitable for aggressive driving |
| SKF | VKB 3062 |
1 800–2 200 | Clamps and lubricant included |
| Febi | 28300 |
900–1 100 | Budget option, but the tires are a bit harsh in the cold |
When choosing an analogue, pay attention to country of origin: Anthers from China (even from well-known brands) often have defects in the form of microcracks. The best option in terms of price/quality ratio - GKN or SKF.
If you live in a region with cold winters (below -25°C), give preference to original anthers or GKN — their rubber retains elasticity at extreme temperatures.
Typical mistakes when replacing anther
Even experienced craftsmen sometimes make mistakes that lead to repeated repairs after 5–10 thousand km. Here are the most common:
- 🔧 Insufficient tightening of the hub nut - leads to CV joint play and accelerated wear. Always use a torque wrench!
- 🧴 Saving on lubrication — if you apply less than 20 grams, the CV joint will run “dry” and quickly fail.
- 🔗 Using Worm Clamps - they weaken over time. Only crimp clamps guarantee tightness.
- 🔨 Impacts on the CV joint during installation - this deforms the separator and leads to crunching after 1,000 km.
- 🚗 Failure to check the box seal - if it leaks, oil will get into the new boot and corrode the rubber.
Another common mistake is confusion of left and right anthers. On X-Trail T31 they are visually similar, but have different corrugation shapes. The left boot has a bend closer to the box, the right one has a bend closer to the hub.
How to extend the life of a new boot
The service life of the boot depends not only on the quality of the part, but also on operating conditions. By following these tips, you will increase its resource to 150,000 km:
- 🚿 Wash the wheel arches in winter at least once a week - salt and reagents corrode the rubber.
- 🛣️ Avoid abrupt starts with the wheels turned out - this creates the maximum load on the CV joint.
- 🔧 Check the clamps every 20,000 km - they may weaken from vibrations.
- 🌡️ Don't overheat the drive - When towing or driving off-road, allow the vehicle to cool down every 30 minutes.
If you often drive off-road, install protective plastic shields on anthers (for example, from Rally Armor). They prevent the entry of stones and branches, but require regular cleaning to remove dirt.
After replacing the boot, avoid sharp turns at high speed for the first 100 km - this will help the new lubricant to be evenly distributed inside the CV joint.
When the entire CV joint needs to be replaced
If, when examining the CV joint, you find at least one of these signs, it is useless to change the boot - you need a new joint:
- 🔊 Crunch when turning the steering wheel (even at a small angle).
- 🕳️ Backlash in the hinge more than 0.5 mm (checked by rocking the shaft by hand).
- 🔧 Chips or cracks on the holder or balls of the CV joint.
- 🧴 Lack of lubrication inside the boot (if it has all leaked out).
On Nissan X-Trail T31 the original outer CV joint costs 8,000–12,000 rubles (article number 39300-4M000 for the left side, 39300-4M001 for the right). Among analogues, they have proven themselves well GKN (DOJ025) and SKF (VKJA 5810).
⚠️ Attention: On all-wheel drive versions X-Trail T31 When replacing the rear CV joint, be sure to check the condition tripoid bearing - its wear is often disguised as problems with the outer hinge.
FAQ: Frequently asked questions about replacing the CV joint boot
Is it possible to drive with a torn boot if the CV joint does not crunch?
No, even a small crack allows dirt and moisture to enter. After 1–2 months, the CV joint will begin to creak, and after 3–6 months it will need to be replaced. The maximum “safe” mileage with a torn boot is 500 km (in dry weather).
What lubricant is best to lubricate CV joints?
Optimal options:
- Molykote BR2 Plus - original lubricant for Nissan, withstands temperatures from -40°C to +150°C.
- LIQUI MOLY LM47 — universal, suitable for all types of CV joints.
- Castrol LMX - a budget analogue with good anti-scuff properties.
Do not use Litol-24 or Solid oil - they cannot withstand the loads and temperatures in the CV joint.
Is it necessary to change the boot of the inner CV joint if only the outer one is torn?
No, these are independent nodes. However, we recommend inspecting the inner boot for cracks - replacing it is more difficult (removing the subframe is required), but if it is damaged, the problem cannot be ignored.
How long does it take to replace a boot?
If you have experience - 1.5–2 hours per side. A beginner will need 3-4 hours. At a service station, work costs 2,000–3,500 rubles per side (excluding spare parts).
Is it possible to repair a torn boot using sealant or electrical tape?
No, this is a temporary solution that will extend the life of the CV joint by a maximum of 1-2 weeks. The sealant cannot withstand dynamic loads, and the electrical tape does not provide a tight seal. The only correct option is replacement.