F00VC01509 Injector Valve Set Quick News The Equip Auto Paris 2025, one of the world’s top three automotive aftermarket exhibitions, will be held from October 14 to 18 at Paris Expo Porte de Versailles. As a globally renowned platform for cutting-edge automotive technology, the previous edition attracted 1,240 exhibitors and 85,689 visitors, with 70% of… Read More »F00VC01509 Anticipates Shumatt’s Showcase at Equip Auto 2025
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F00VC01509 Injector Valve Set Blog F00VC01509 Injector Valve Set Blog: As the morning dew begins to crystallize into a delicate white, we welcome White Dew, the 15th solar term in the traditional Chinese lunar calendar and a subtle yet profound marker of seasonal transition. White Dew signifies the gradual shift from the warmth of summer… Read More »White Dew Promotion on F00VC01509 Injector Valve Set
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F00VC01338 Injector Valve Set Quick News From August 31 to September 1, the Shanghai Cooperation Organization (SCO) Summit was held in Tianjin, China. This summit, the largest since the establishment of the SCO, attracted leaders from more than 20 countries and representatives of 10 international organizations. The summit adopted the Tianjin Declaration and several… Read More » F00VC01338 Celebrates Successful Conclusion of SCO Summit
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F00RJ02130 Injector Valve Set Blog F00RJ02130 Injector Valve Set Blog: As the stars align in the night sky, we welcome Qixi Festival, also known as Chinese Valentine’s Day, a celebration deeply rooted in ancient Chinese folklore and tradition. Occurring on the seventh day of the seventh lunar month, Qixi symbolizes the annual reunion of the… Read More »Celebrating the Qixi Festival with a Promotion on the F00RJ02130 Injector Valve Set
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F00VC01338 Injector Valve Set Blog F00VC01338 Injector Valve Set Blog: As the scorching summer heat recedes, we welcome the End of Heat, the fourteenth of the 24 solar terms in the traditional Chinese lunar calendar. The End of Heat marks the end of the hottest weather and the beginning of cooler, drier conditions. During… Read More »End of Heat Special on the F00VC01338 Injector Valve Set
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F00VC01359 Injector Valve Set Quick News The Auto Aftermarket Guangzhou (AAG) will take place from August 27 to 29, 2025, at the Poly World Trade Center in Guangzhou, China. Under the theme “Intelligent Manufacturing • Embracing Change • Linking the Future,” this year’s exhibition will span 80,000 square meters, featuring 1,550 exhibitors showcasing the latest… Read More »F00VC01359 Wishes Shumatt a Fruitful Success at the Auto Aftermarket Guangzhou
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1. DLLA149P2507 Injector Nozzle Technical Support 1.1. DLLA149P2507 Injector Nozzle Installation Precautions (1) Clean the injector nozzle in an ultrasonic cleaner for 3-5 minutes before installation, 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… Read More » Common Rail DLLA149P2507 Injector Nozzle Encyclopedia
1. DLLA149P2507 Injector Nozzle Technical Support 1.1. DLLA149P2507 Injector Nozzle Installation Precautions (1) Clean the injector nozzle in an ultrasonic cleaner for 3-5 minutes before installation, 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… Read More » Common Rail DLLA149P2507 Injector Nozzle Encyclopedia
1. DLLA149P2507 Injector Nozzle Technical Support
1.1. DLLA149P2507 Injector Nozzle Installation Precautions
(1) Clean the injector nozzle in an ultrasonic cleaner for 3-5 minutes before installation, 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 injector nozzle fall off.
(2) Use compressed air to clean the cleaning fluid attached to the surface of the injector nozzle after cleaning, and clean it up to the standard of use.
1.2. DLLA149P2507 Injector Nozzle 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.
Pic No.1
(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.
1.3. DLLA149P2507 Injector Nozzle Test Measurement
(1) Nozzle opening pressure test
Test whether the opening pressure range of the nozzle is within the range specified in the injector maintenance manual (to be verified), if not within the normal range, adjust the nozzle spring to adjust the gasket
- If the value is greater than normal, reduce the oil nozzle spring adjusting gasket; if the value is less than normal, increase the oil nozzle spring adjusting gasket.
(2) Stroke Measurement of Nozzle Needle Valve
Use a measuring tool to measure whether the stroke of the nozzle needle valve is within the range (15-45um) specified in the injector maintenance manual. If not, adjust the stroke of the nozzle to adjust the gasket.
Pic No.2
If the value is greater than normal, thicken the gasket for oil-nozzle needle valve lift adjustment; if the value is less than normal, reduce the gasket for oil-nozzle needle valve lift adjustment.
1.4. DLLA149P2507 Injector Nozzle Installation
(1) Tightening torque of injector nozzle
The torque lever and tightening moment specified in the injector maintenance manual must be installed when the injector nozzle is installed. (50Nm)
The tightening torque of the nozzle cap must be installed in accordance with the tightening torque specified in the injector maintenance manual.
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All content on this passage “DLLA149P2507 Injector Nozzle Encyclopedia” is sourced from and belongs to Shenzhen Shumatt Technology Co., Ltd. www.injectorpart.com has been authorized to use this content. Any reproduction, distribution, or public display of this material must clearly acknowledge Shenzhen Shumatt Technology Co., Ltd. as the source. Unauthorized use or failure to comply with these conditions will constitute a violation of the “Copyright Law of the People’s Republic of China” and other relevant international laws and regulations.








