The Genuine SINOTRUK ZF 16S2530 Transmission Sliding Sleeve (1297 304 516) is the component that bears the brunt of the final gear engagement force. As a critical structural element among sinotruk spare parts, this sleeve is the final mechanical link that locks the gear to the main shaft, ensuring that power is transmitted without interruption. Its precision is paramount; a worn or damaged sleeve is the primary cause of the dangerous and costly issue of the transmission “popping out of gear” under load.
Technical Specifications
The 1297 304 516 sliding sleeve is a robust, precision-engineered component designed for the extreme demands of the ZF Ecosplit 4 system.
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Specification
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Value
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Part Number
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1297 304 516
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Alternative Names
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Gear Sleeve, Shift Sleeve
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Product Name
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Transmission Sliding Sleeve
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Transmission Model
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ZF 16S2530, 16S2230 (Ecosplit 4 Series)
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Compatible Vehicles
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SINOTRUK HOWO, SITRAK, and other trucks using ZF 16S gearboxes
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Brand
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ZF (Original OEM Specification)
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Material
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High-Strength Forged Steel (Hardened)
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Function
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Locks gear to the main shaft after synchronization (typically 3rd/4th gear)
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Weight (Approx.)
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0.905 KG
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Condition
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Brand New
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Installation Notes
Replacing the sliding sleeve is a highly technical procedure that requires complete transmission disassembly. This work must be performed by a certified transmission specialist in a clean, controlled environment.
1.Transmission Disassembly: The gearbox must be removed from the vehicle and placed on a stable stand. Accessing the sliding sleeve requires the main shaft to be disassembled. Maintain absolute cleanliness throughout the process to prevent contamination.
2.Inspection of Mating Parts: Before installing the new 1297 304 516 sleeve, thoroughly inspect the synchronizer hub and the mating gear’s engagement teeth. If the old sleeve failed due to “popping out of gear,” the mating gear teeth are likely worn and must be replaced simultaneously to prevent immediate failure of the new sleeve.
3.Installation and Lubrication: Lightly lubricate the internal splines of the new sleeve with the specific ZF-approved transmission oil (e.g., ZF-Ecofluid M). Slide the sleeve onto the synchronizer hub, ensuring the correct orientation and that the internal splines engage smoothly.
4.Synchronizer Assembly: Ensure the sliding blocks and springs are correctly seated within the sleeve and hub assembly. The precision of these small components is vital for the sleeve to move correctly.
5.Final Reassembly: Reassemble the transmission, ensuring all components are torqued to factory specifications. Use new gaskets and seals.
6.Testing: After reinstallation, test the gear engagement in all positions. The shift should be firm, smooth, and the transmission must hold the gear securely under load.
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