Nissan Pathfinder 1st generation (WD21): legendary SUV of the 1980s

First generation Nissan Pathfinder (internal designation WD21) appeared on the market in 1986 and immediately gained popularity as a universal SUV with a frame structure and all-wheel drive. This car was the Japanese manufacturer's response to the growing demand for comfortable, but at the same time passable cars for family use and outdoor activities. Pathfinder The first generation was produced until 1995, having during this time undergone restyling in 1990, which affected both the appearance and the technical filling.

The model was built on the basis of a pickup truck Nissan Hardbody (D21), which provided it with strength and reliability, but at the same time offered a five-door body with a comfortable interior for 5 or 7 passengers (depending on the configuration). The car was equipped with gasoline and diesel engines, and also offered a choice between manual and automatic transmission. Today Pathfinder WD21 has become a cult favorite among fans of old-school SUVs, but requires careful selection and maintenance.

Technical characteristics of Nissan Pathfinder 1st generation

First generation Pathfinder It was offered with several types of engines, which varied depending on the market. In North America and Europe, gasoline units were the most common, while in Japan and some Asian countries diesel versions were found. Let's look at the key technical parameters:

• 🔧 Gasoline engines:
  • KA24E 2.4 l (106–134 hp) - the base engine for most markets;
  • VG30E 3.0 l (153–160 hp) - top version with V6, popular in the USA;
  • VG30i 3.0 l (145 hp) - injection option for some markets.
• ⛽ Diesel engines:
  • TD27 2.7 l (85–92 hp) - naturally aspirated diesel for Japan and Europe;
  • TD27T 2.7 l (105 hp) - turbocharged version with better dynamics.
• ⚙️ Transmission:
  • 5-speed manual transmission (standard);
  • 4-speed automatic (optional on V6 and some 4-cylinder versions).
• 🔄 Drive: full (Part-Time 4WD) with the ability to disable the front axle or permanent all-wheel drive (All-Mode 4WD) in later versions.

A feature of the model was frame structure, which provided high cross-country ability, but affected comfort on the asphalt. Suspension: dependent at the front (torsion bar) and at the rear (spring or spring, depending on the market). Ground clearance was 200–220 mm, which made it possible to confidently overcome off-road conditions. However, it is worth remembering that early versions with Part-Time 4WD required the mandatory disabling of all-wheel drive on dry asphalt in order to avoid damage to the transfer case.

Differences between the pre-restyling and restyled versions

Nissan Pathfinder The first generation underwent significant changes in 1990. Restyling affected not only the appearance, but also the technical part. Let's look at the key differences:

Parameter	Pre-styling (1986–1990)	Restyling (1990–1995)
Headlights	Rectangular block headlights	Oval headlights with integrated turn signals
Radiator grille	Vertical strips, chrome trim	Horizontal slats, more modern design
Engines	KA24E, VG30i, TD27	Added VG30E (160 hp), TD27T (turbo)
Transmission	Only Part-Time 4WD	Appeared All-Mode 4WD (permanent all-wheel drive)
Interior	Simple panel with analog clock	Updated dashboard, improved sound insulation

The restyled version received a more modern appearance, closer to Nissan Terrano IIwith whom Pathfinder shared the platform. An important innovation was permanent all-wheel drive, which allowed the machine to be used in 4WD on any surface without risk to the transmission. The ergonomics of the cabin have also improved: there are steering wheel adjustments, more comfortable seats and improved ventilation.

However, not all changes have been entirely positive. For example, restyled versions with the VG30E engine suffered from problems with the cylinder head gasket, especially when overheating. Also, some owners note that pre-restyling models are easier to repair due to their less electronics-rich design.

Typical problems and weaknesses

Despite the legendary reliability, Nissan Pathfinder WD21 has a number of typical problems that you should be aware of before purchasing. Many of them are related to the age of the car and design features.

• 🔥 Engine overheating: especially relevant for VG30E — the cylinder head gasket can burn out at the slightest overheating. The cause is often a clogged radiator or faulty thermostat.
• 🛢️ Oil leaks: crankshaft and camshaft oil seals, rear gearbox oil seal are the main leak points. On diesel TD27 The high pressure fuel pump (HPFP) often leaks.
• 🔧 Suspension: wear of lever bushings, ball joints and silent blocks. The springs on the rear axle sag over time, which leads to body roll.
• ⚡ Electrical: oxidation of contacts in the fuse box, problems with the generator (especially on cars with air conditioning). The camshaft position sensor often fails KA24E.
• 🔄 Transfer case: in versions with Part-Time 4WD when driving for a long time in 4WD On asphalt, the chain and bearings wear out.

⚠️ Attention: Upon purchase Pathfinder WD21 with engine VG30E Be sure to check the condition of the cylinder head gasket. Even a small leak of antifreeze into the oil can lead to major repairs. Pay attention to the color of the exhaust gases (white smoke) and the condition of the oil on the dipstick (emulsion indicates a gasket failure).

Diesel versions (TD27/TD27T) are considered more hardy, but have their own nuances:

- Turbine on TD27T often fails due to low-quality oil or refueling with low-quality fuel.

- Fuel equipment is sensitive to water in diesel engines - it is recommended to drain the sediment from the filter every 5,000 km.

-Cold start problems on frosty days - the weak point of diesel engines Pathfinder.

Comparison with competitors: why Pathfinder WD21?

Late 1980s - early 1990s Nissan Pathfinder competed with such models as Toyota 4Runner, Mitsubishi Montero And Isuzu Trooper. Each of these SUVs had their pros and cons, but Pathfinder WD21 stood out for several key advantages:

• 🚗 Versatility: unlike Toyota 4Runner, which was closer to the pickup truck, Pathfinder offered a full-fledged 5-door body with the possibility of transforming the interior (folding rear seats).
• 💰 Price and availability of spare parts: compared to Mitsubishi Montero, which was more expensive to maintain, Pathfinder had a simpler design and cheaper consumables.
• 🔧 Maintainability: engines KA24E And VG30E well known to mechanics, and the frame design made it easy to carry out body repairs.
• 🌍 Patency: thanks to high ground clearance and reliable transmission Pathfinder didn't give in Isuzu Trooper off-road, but was more comfortable on the highway.

However, there were also disadvantages. For example, Toyota 4Runner was famous for its greater reliability in the long term, and Mitsubishi Montero offered a suspension that was more modern at that time. But Pathfinder WD21 found my niche as balance between comfort, cross-country ability and price.

Tuning and modernization: what can be improved?

Nissan Pathfinder The first generation is an excellent platform for tuning, be it to increase cross-country ability or improve comfort. Here are some popular areas of modernization:

• 🏔️ Suspension lift: installation of lift kits (+2–3 inches) to increase ground clearance. Popular sets from Old Man Emu or Ironman 4x4.
• 🔥 Power increase:
  • For KA24E — Replacement of camshafts, installation of a turbo kit;
  • For VG30E — chip tuning, replacement of exhaust with bezkat;
  • For TD27T - replacing the turbine with a more efficient one (for example, Garrett T25).
• 🔧 Body protection: installation of crankcase protection, bumper with winch, power body kit.
• 🎨 External tuning: replacing the optics with LED ones, painting them in camouflage or matte colors, installing a guardrail.
• 🛋️ Interior: replacing seats with more comfortable ones (for example, from Nissan Terrano II), installation of a modern radio with support Apple CarPlay.

One of the most popular improvements is replacing transfer case for a version with reduction gear (if it is not included in the basic configuration). This significantly increases off-road capability. Also, many owners install differential locks (For example, ARB Air Locker), which makes the car practically invincible in mud or on rocks.

⚠️ Attention: When installing a lift kit larger than 2 inches, it is necessary to adjust the wheel alignment angles and lengthen the brake hoses. Ignoring this rule may result in uneven tire wear and loss of controllability.

For those who plan to use Pathfinder as a daily car, it makes sense to pay attention to improved sound insulation (especially in restyled versions) and replacement of the standard audio system. It is also popular to replace the old one R12- modern air conditioning systems R134a.

Operation and maintenance: tips for owners

To Nissan Pathfinder WD21 served faithfully, you must adhere to several key maintenance rules. Here are the main recommendations:

1. Regular oil change: every 5,000 km for gasoline engines and 7,000 km for diesel. Use oil with viscosity 10W-40 or 15W-40 (for diesel engines - with approval API CD).
2. Cooling system control: Flush the radiator every 2 years, check the thermostat and pump. On VG30E It is recommended to install an aluminum radiator instead of the standard copper one.
3. Transmission service: change the oil in the transfer case and axles every 60,000 km. In automatic transmission (AW71B) - every 40,000 km.
4. Suspension check: every 20,000 km inspect silent blocks, ball joints and shock absorbers. The springs on the rear axle require regular lubrication of the leaf springs.
5. Electrical diagnostics: Clean the contacts of the battery and fuse box from oxidation. Check the generator every 30,000 km.

Particular attention should be paid fuel system diesel versions. It is recommended to add water removal additives to the tank (e.g. Liqui Moly Diesel Fliess-Fit), and change the fuel filter every 10,000 km. Also don't forget about braking system: on Pathfinder Brake cylinders and hoses often wear out, which can lead to loss of braking performance.

How to check the condition of the transfer case?

To diagnose the transfer case, follow these steps:

1. Start the engine and put it in neutral.

2. Try switching modes 2WD → 4WD — switching should occur without grinding.

3. Check the oil level in the transfer case (the filler plug is located on the side).

4. When driving at low speed in 4WD there should be no vibrations or extraneous noise.

If a hum is heard or switching is difficult, repairs are required (most often the chain or bearings are worn out).

Where to buy and how much does the 1st generation Nissan Pathfinder cost?

Prices for Nissan Pathfinder WD21 depend on the year of manufacture, technical condition and region. In Russia and the CIS countries, the most affordable copies can be found in the following ranges:

• 💰 Pre-styling (1986–1990): from 200,000 to 500,000 rub. - most often with mileage for 300,000 km and requiring investment.
• 💰 Restyling (1990–1995): from 400,000 to 800,000 rub. — more well-maintained examples with mileage 150,000–250,000 km.
• 💎 Collector's versions: to RUB 1,200,000 - cars in perfect condition, with minimal mileage or after complete restyling.

Best search sites:

- Avito And Drome (Russia);

- OLX (Ukraine, Kazakhstan);

- Facebook Marketplace and specialized groups (for example, Nissan Pathfinder Club);

- Japanese auctions (through intermediaries) - there you can find copies in better condition, but with the risk of hidden problems.

⚠️ Attention: Upon purchase Pathfinder WD21 from Japanese auctions, pay attention to the mileage history. Many cars have “twisted” odometer readings. Check the condition of the body for traces of rust (especially in the arches and on the sills) - Japanese cars often suffer from corrosion due to the humid climate.

When inspecting, pay attention to:

- Condition of the frame (rust can be critical);

- All-wheel drive operation (check the front axle coupling);

- Compression in the cylinders (especially on diesel versions);

- The condition of the automatic transmission (if any) is the absence of jerks and kicks when switching.

If you plan to use the car off-road, give preference to versions with Part-Time 4WD and a manual transmission - they are easier to repair and more reliable in extreme conditions.

FAQ: answers to frequently asked questions

Which Nissan Pathfinder WD21 engine is the most reliable?

Among gasoline engines, it is considered the most reliable KA24E - it is easier to maintain and less susceptible to overheating than VG30E. Leading among diesel engines TD27T (turbo), but it requires high-quality fuel and regular maintenance of the injection pump. Atmospheric TD27 more “indestructible”, but weaker in power.

Is it possible to drive a Pathfinder WD21 with permanent all-wheel drive (All-Mode 4WD) on asphalt?

Yes, restyled versions with All-Mode 4WD allow you to drive in all-wheel drive mode on any surface without risk to the transmission. Unlike Part-Time 4WD, where all-wheel drive can only be engaged on off-road or slippery surfaces.

What kind of oil should I fill in the Nissan Pathfinder WD21 automatic transmission?

For automatic transmission AW71B It is recommended to use transmission fluid Dexron II or Dexron III. Replacement must be carried out every 40,000–50,000 km, and with intensive use - more often. Do not use modern oils like Dexron VI - they can cause slipping of the clutches.

How to increase ground clearance on Pathfinder WD21?

To increase the clearance you can use:

• Lift kits on springs/springs (+2–3 inches);
• Spacers for springs (more budget option, but less reliable);
• Replacing shock absorbers with longer ones (for example, from Nissan Terrano II).

After the lift, be sure to adjust the wheel alignment and check the angles of the driveshafts.

Where can I find spare parts for the 1st generation Nissan Pathfinder?

Spare parts for Pathfinder WD21 can be found:

• At showdowns (especially in the USA and Japan);
• In online stores (for example, RockAuto, Amayama);
• From official dealers Nissan (some parts are still in production);
• In owner groups (they often sell used parts in good condition).

The most difficult parts to find are body panels and interior elements (for example, the dashboard).