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YUCHAI Diesel Engine YC6K Series Turbocharger Assembly K7600-1118100S2
Common Failure Symptoms
1. Oil leakage and blue/black smoke: Visible oil leakage at the compressor end (intake side) or turbine end (exhaust side), or the emission of blue smoke (indicating oil burning) during rapid acceleration, usually points to wear in the turbocharger's internal floating bearings or gas seal rings.
2. Abnormal noise and impeller damage: A sharp "whistling" sound or metallic scraping noise during engine operation often indicates excessive bearing clearance, causing the impeller to rub against the housing. The engine must be shut down immediately in such cases to prevent impeller fragments or debris from entering the cylinders, which could cause cylinder scoring or even total engine failure.
Bill of Materials (BOM) for Turbocharger System Repair & Replacement
| No. | Part Number | Part Name (EN) | Qty | Replacement Status | Technical Notes / Function & Standards |
|---|---|---|---|---|---|
| 1 | K7600-1118100S2 | Turbocharger Assembly | 1 pc | Core Part | Yuchai Genuine (OEM by BorgWarner/Garrett); equipped with pneumatic wastegate actuator. |
| 2 | K7600-1118011 (Ref) | Turbocharger Oil Inlet Pipe Assembly | 1 pc | Mandatory Replace | Old pipes easily accumulate carbon deposits/sludge at high temps; reuse will restrict oil flow or scratch new bearings. |
| 3 | K7600-1118022 (Ref) | Turbocharger Oil Return Pipe Assembly | 1 pc | Recommended | Ensures smooth oil drainage; any restriction causes oil to spray from both ends, leading to oil burning. |
| 4 | M3000-1118013 (Ref) | Exhaust Inlet Flange Gasket | 1 pc | Mandatory Replace | Located between the exhaust manifold and turbo inlet; stamped stainless steel. Never reuse old gaskets. |
| 5 | G0100-1118401 (Ref) | Oil Pipe Gasket & O-Ring Kit | 1 set | Mandatory Replace | High-temperature and oil-resistant material; prevents external oil leaks which pose a fire hazard. |
| 6 | Q150B1045 (Ref) | High-Strength Flange Bolt (M10×45) | 4 pcs | Mandatory Replace | Grade 10.9 or 12.9 high-temp bolts; original bolts are usually seized or degraded under 700°C temperatures. |
| 7 | Q340B10 (Ref) | High-Temperature Self-Locking Nut (M10) | 4 pcs | Mandatory Replace | All-metal prevailing torque locking nuts; prevents nuts from backing off under high-frequency truck vibrations. |
| 8 | Consumable (N/A) | Turbocharger Pre-Lubrication Oil | 1 tube | Essential Tool | Must be injected into the oil inlet before installation to prevent dry-run bearing seizure during initial startup. |
DETAILS
| DESCRIPTION | Turbocharger Assembly | PART NUMBER | K7600-1118100S2 |
| WEIGHT | 20kg | VOLUME | 340 mm × 320 mm × 300 mm |
| TRUCK MOLDE | YUCHAI | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | ENGINE |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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