<em>Nissan Pathfinder R51</em> Windshield Washer Nozzles: Complete Selection and Replacement Guide

Nissan Pathfinder R51 (2005–2012) is a reliable SUV, but even it wears out little things over time, on which driving comfort depends. One of these details is windshield washer nozzles. It would seem, what could go wrong with this simple element? In practice, owners are faced with blockages, weak fluid pressure, leaks, and even complete system failure. In this article, we will look at how to diagnose malfunctions, select original or similar injectors, and replace them yourself - without contacting a service center.

Feature Pathfinder R51 is that its washer system is sensitive to the quality of the fluid and operating conditions. In winter, nozzles often freeze due to poor-quality anti-freeze; in summer, they become clogged with dust and insects. At the same time, they are found on sale as original parts from Nissan (article 28391-JK00A), as well as cheap analogues that can last from a month to several years. We analyzed owner reviews, technical data and manufacturer's instructions to create the most useful guide possible.

Signs of malfunctioning washer nozzles on Nissan Pathfinder R51

The first signal about problems with the washer is no jet of liquid when you press the lever under the steering wheel. However, this is not always the fault of the injectors. Before changing them, check:

• 🔋 Washer pump - listen to see if it works when activated (it should make a slight buzzing sound).
• 💧 Liquid level in the tank - sometimes the problem is solved by simply topping it up.
• 🧊 Freezing — in the cold season, liquid may crystallize in the hoses.
• 🕳️ Nozzle clogged — if there is a stream, but it is weak or hits to the side, the injectors are to blame.

Typical “symptoms” of faulty injectors on Pathfinder R51:

• 💦 Liquid is pouring in a thin stream or drips instead of a uniform spray.
• 🌀 The stream hits to the side (for example, on the roof or hood) and not on the glass.
• 🔄 Washer works every other time - sometimes it pours, sometimes it doesn’t.
• 🚨 Visible on the nozzles cracks or white coating (salts, deposits).

⚠️ Attention: If the liquid does not flow at all and the pump is humming, do not rush to change the nozzles. Check first hoses for bends And filter in the tank (it may become clogged with rust or dirt). On Pathfinder R51 The filter is located in the neck of the tank - it can be washed or replaced.

Original and similar injectors: articles, prices, comparison

For Nissan Pathfinder R51 (including restyled versions 2008–2012) nozzles with article numbers are suitable:

Type	Article	Manufacturer	Price (RUB)	Features
Original	28391-JK00A	Nissan	1 200–1 800	Guaranteed compatibility, long service life
Analogue	28391-JK00B	Denso (OEM)	800–1 300	Same quality as the original, but cheaper
Analogue	W0133-1834795	Febi	500–900	Budget option, may leak over time
Universal	28391-4M000	Mitsubishi (compatible)	600–1 100	Suitable for mounting, but may differ in spray angle

Original injectors Nissan serve on average 5–7 years, but their price often seems overpriced. Alternative - parts from Denso, which he supplies to the conveyor himself Nissan. They are identical in design, but cost 20–30% less. Budget analogues (Febi, Meyle) can last 1–2 years, but often suffer from smudges And uneven spray.

When choosing, pay attention to:

• 🔧 Mounting type - on Pathfinder R51 The injectors are secured with latches rather than threads.
• 🌊 Spray angle — the originals give a fan stream, the universal ones can hit a point.
• 🔄 Heating system compatible (if it is included in your configuration).

Step-by-step instructions for replacing injectors with Nissan Pathfinder R51

Replacing washer nozzles with Pathfinder R51 takes 15–30 minutes and does not require special tools. You will need:

• 🔧 Flat screwdriver (or plastic puller).
• 🧴 New injectors (check that the O-rings are complete!).
• 🧼 Water or cleaner to flush the system.

Procedure:

1. Open the hood and find the injectors - they are located on plastic panel under the windshield, on the sides of the center.
2. Disconnect fluid supply hoses (gently pull them to the side).
3. Pry off the injector with a screwdriver from the side (not from above, so as not to break the latch!) and remove it.
4. Install the new injector, making sure the O-ring is in place.
5. Connect the hose and check the operation of the system.

If after replacement the jet flows crookedly, adjust the direction of the nozzle needle or toothpick (insert into the nozzle and turn gently). On Pathfinder R51 The spray angle should be such that the liquid hits the top third of glass - this is optimal for wipers.

⚠️ Attention: Do not use metal objects to clean the nozzles - this will damage the plastic! If the nozzle is clogged, soak it for 10 minutes in vinegar or citric acid, then rinse with water under pressure (such as a syringe).

Cleaning injectors without replacement: effective methods

If the injectors are still in good working order, but do not spray liquid well, they can be cleaned. On Pathfinder R51 Most often they help:

• 🧹 Mechanical cleaning - a needle or compressed air (for example, a wheel compressor).
• 🧪 Chemical washing - special means (LIQUI MOLY, Wynns) or vinegar.
• 🔄 Backwash — disconnect the hose and supply fluid under pressure in the opposite direction.

Instructions for washing with vinegar:

1. Remove the injectors (as described above).
2. Immerse them in a container with warm vinegar (9%) for 15–20 minutes.
3. Rinse with water and blow with compressed air.
4. Reinstall and check operation.

To prevent blockages:

• 🚫 Do not use tap water - it contains a lot of salts that settle on the nozzles.
• ❄️ In winter, fill only high-quality anti-freeze (without methyl alcohol!).
• 🧴Add to the tank once a season special cleaner (For example, LIQUI MOLY Scheiben-Reiniger-Konzentrat).

Typical replacement mistakes and how to avoid them

Even a simple operation to replace injectors can turn into problems if you do not take into account the nuances Nissan Pathfinder R51. Common mistakes:

• 🔧 Broken latches — if you pry the nozzle from above, the plastic clips break. Only pry from the side!
• 💧 Liquid leak — they forget to install the O-ring or install it crookedly.
• 🌀 Incorrect spray angle — the new nozzles are not adjusted, and the jet hits the glass.
• 🔌 Mixed up hoses - on Pathfinder R51 The left and right injectors may differ in hose length.

Critical error: Using sealant instead of O-rings. This leads to liquid entering the electrical wiring under the hood and causing a short circuit! If the seals are worn out, buy a repair kit (part no. 28391-JK00A-G for original injectors).

One more point - compatible with heating system. On some versions Pathfinder R51 (eg for cold regions) the nozzles have a built-in heating element. If you install regular nozzles, they will freeze in winter. Check for heating by:

• 🔍 Labeling — the heating nozzles have a snowflake symbol ❄️.
• 🔌 Seeing off — not only a hose, but also an electrical connector is suitable for the nozzle.

Upgrading the washer system: what can be improved

Standard nozzles Nissan Pathfinder R51 they do not always cope with heavily soiled glass, especially in the rain or after off-road driving. Owners often upgrade the system:

• 🌊 Fan spray nozzles (for example, from Volvo or BMW) - cover a large area of glass.
• 🔥 Heating of hoses — relevant for northern regions (you can purchase a set Webasto).
• 💡 LED backlight - Helps control the fluid level in the tank.
• 🔄 Additional pump — increases the pressure in the system (useful for off-road driving).

An example of a successful upgrade is replacing standard injectors with fan from Mitsubishi Pajero (article MR550505). They have:

• 🔹 Wider spray angle (up to 120° versus 90° for the original).
• 🔹 Resistant to freezing (nozzle material is heat-resistant plastic).
• 🔹 Compatible with mounts Pathfinder R51 (needs minor modification of seals).

⚠️ Attention: When installing non-standard injectors, check pump performance. If it is weak, the fan nozzles will work worse due to increased fluid consumption. On Pathfinder R51 standard pump can withstand up to 2.5 l/min - this is enough for most analogues.

How to check pump performance?

Disconnect the hose from the nozzle and direct it into a measuring container. Turn on the washer for 1 minute - if the pump pumps less than 2 liters, it needs to be replaced (part number 28397-JK00A).

Where to buy injectors for Nissan Pathfinder R51: verified sellers

Original and high-quality similar injectors can be found:

Store	Pros	Cons	Average price (RUB)
Official dealers Nissan	1 year warranty, original parts	Expensive, long delivery	1 500–1 800
Exist.ru	Large selection of analogues, fast delivery	Prices are higher than small sellers	600–1 300
Autodoc	Frequent discounts, convenient search by VIN	They may send you a non-original product under the guise of OEM.	500–1 200
Local showdowns	Cheap (from 300 rubles), you can bargain	No guarantee, risk of buying a worn part	300–800

When purchasing, check:

• 📦 Packaging - the original must have a logo Nissan and a hologram.
• 🔍 Marking - the article number must match 28391-JK00A or 28391-JK00B.
• 🔄 Completeness — the box should contain an injector + o-ring.

If you buy a used part from disassembly, pay attention to:

• 🕳️ Nozzle condition — there should be no cracks or white coating.
• 🔧 Latch integrity - broken fasteners will complicate installation.
• 💧 Smudges — if there are traces of liquid around the nozzle, the seal is worn out.

FAQ: Frequently asked questions about washer nozzles Nissan Pathfinder R51

❓ Is it possible to drive without one working injector?

Technically yes, but it's not safe. One nozzle will not clean the glass evenly, especially on the driver's side. In the rain or at night, this greatly impairs visibility. We recommend replacing the faulty part within a week.

❓ Why does the liquid flow weakly after replacing the injectors?

The reasons may be:

• Clogged filter in the tank (needs to be washed or replaced).
• Weak washer pump (check its performance).
• Pinched supply hose (inspect it along its entire length).
• Incorrectly installed O-rings (they can block the flow of liquid).

❓ What liquid should I pour into the washer reservoir?

For Pathfinder R51 suitable:

• In summer - distilled water with the addition of car shampoo (no more than 10%).
• In winter - antifreeze based on isopropyl alcohol (not methyl!).
• All year round - special concentrates (LIQUI MOLY, Sonax).

❌ Do not use tap water (a plaque forms) and dishwashing detergents (they foam and clog the system).

❓ How to remove the washer reservoir for complete cleaning?

On Pathfinder R51 The reservoir is located on the right under the hood. To remove it:

1. Disable negative battery terminal.
2. Disconnect pump electrical connector.
3. Remove mounting bolts (usually 2 pieces, for a head of 10).
4. Carefully remove the tank, remembering to disconnect the hoses.

For rinsing use vinegar or special cleaner (For example, Wynns Windscreen Washer Cleaner).

❓ Why does the washer only work when pressed again?

This is a typical problem Pathfinder R51related to:

• Worn out pump - it does not create the required pressure the first time.
• Clogged check valve (located in the hose to the pump).
• Oxidized contacts on the pump connector.

Solution: check the pump (part no. 28397-JK00A) and clean the contacts. If the problem persists, replace the pump.