How to Clean And Inspect G2 Injector Nozzles

How to Clean And Inspect G2 Injector Nozzles

G2 Injector Nozzles Introduction

G2 injector nozzles are the main working parts of the G2 series diesel injectors. They are responsible for injecting fuel into the combustion chamber and are the key component to achieve precise injection, oil mist formation, etc.

How to Clean G2 Injector Nozzles

  1. Before installation G2 injector nozzles, clean themin an ultrasonic cleaner for 3-5 minutes so as to make the stains, dust, rust-proof oil oxides, paraffin base, naphthenic base, intermediate base, salt, lead naphthenate, zinc naphthenate, sodium petroleum sulfonate, barium petroleum sulfonate, calcium petroleum sulfonate, tallow diamine trioleate, rosinamine on the surface of the valve assembly fall off.

  2. Use compressed air to clean the cleaning fluid attached to the surface of the Injection Nozzleafter cleaning, and clean it up to the standard of use, as below

G2 Injector Nozzles Inspection

  1. Check whether there is deformation, cracking, thread damage, quenching, leakage and rust in the guide sleeve, spring, gasket and tight cap of the nozzle. The tight cap of the nozzle must be replaced after being disassembled for more than 5 times, as shown in the following.

  2. Replace the tight cap of the nozzle and the copper gasket of the injector nozzle.

  3. Check whether the gap between the nozzle needle and the nozzle shell is within the standard range and whether it reaches the standard for use.

  • All parts should be examined for wear under a microscope at least 20 times larger  

  • Nozzle tight cap deformation, cracking, thread damage, quenching, leakage, will lead to black smoke vehicle cap, fuel injector damage.  

  • Injector opening pressure greater than or less than the specified range may cause injector damage.

  • Failure to replace wearing parts in time during maintenance may lead to fuel injector damage.


Q1:Why choose SHUMATT?

A: High quality products with reasonable price, quick shipping.
B. Independent quality testing system to guarantee the quality.
C: Good technical training and technical support.
D: Professional international business communication and support.
E: Professional options for international transport.
F: Reliable brands supplier.

Q2:Are you a manufacture or a trading company?

—A:Some of products are produced by our factory, such as inejctor nozzles, remanufacture injectors and fuel pump. And some of spare parts, we are distributing different brands of original diesel injectors and fuel pumps and their spare parts.

Q3:How long will the goods be delivered?

—A:70% of our popular selling products are in stock, which make sure quickly delivery. Normally, orders can be send out within 5 working days.

Q4: What is your after sales service policy?

—A: Customer satisfaction is the most important thing for us. SHUMATT all products are tested before shipping. If customer meet quality problem, we will unconditionally provide replacement or refund.

Q5:Distributor support policy?

—A: We recruit distributors all over the world and provide them with VIP price , local market promotional assistance, professional product cataloger and other promotional materials, local exhibition assistance, etc.