Always verify these numbers in your specific manual version, but standard OM 352 reference charts generally require: Standard Torque Spec Cylinder Head Bolts (Final Stage) 110 Nm (Followed by angle turns if using stretch bolts) Connecting Rod Bolts 100–110 Nm Main Bearing Caps 140–150 Nm Flywheel Bolts 210–230 Nm
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: Comprehensive manuals provide diagnostic flowcharts for low oil pressure, excessive smoke, and hard starting. Key Sections Included in the Manual Archive
Specific high-torque locking compound and tightening sequence. Why Download the Manual in a ZIP File Format?
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The OM 352 utilizes a mechanical injection pump. Precise timing is key to performance and longevity. The manual will guide you through setting the timing mark on the flywheel.
In this article, we will explore the history of this engine, its common failure points, the difference between a generic guide and a true factory service manual, and exactly how to utilize a downloadable ZIP archive to keep your OM 352 running for another million kilometers.
Open the Index.pdf or read-me file to instantly map out document sections. mercedes benz om 352 engine service repair shop manual zip
This section is the foundation of any repair job. It provides exact numbers for clearances, wear limits, and torque values. 97.00 mm Piston Stroke: 128.00 mm Displacement: 5,675 cc (5.7 Liters) Compression Ratio: 17.0:1 (Naturally Aspirated) Firing Order: 1-5-3-6-2-4 2. Engine Block, Crankshaft, and Pistons Instructions for servicing the core block assembly. Procedures for measuring cylinder bore taper and ovality.
Fuel injector testing, nozzle cleaning, and opening pressure adjustments (typically around 200 bar depending on the variant). Bleeding air from the fuel lines after filter replacement. 5. Lubrication and Cooling Systems
Digital versions of these manuals are often distributed as PDF files or compressed into .ZIP archives for easy download.
The overhead valve design requires periodic adjustment. The manual details the specific cold valve clearances (typically 0.20 mm for intake and 0.30 mm for exhaust) and the exact spiraling torque sequence required to seal the cylinder head gasket without warping the cast-iron head. 2. Fuel Injection System (Bosch PES Pump) Always verify these numbers in your specific manual
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Spill-timing procedures to sync the injection pump with the crankshaft.
The Mercedes Benz OM 352 engine is a 5.675-liter, 6-cylinder diesel engine that produces 240 horsepower. It was produced from 1973 to 1985 and was known for its reliability, fuel efficiency, and low emissions. The engine features a robust design, with a cast-iron block, cylinder head, and crankshaft. It also features a fuel injection system, which provides efficient fuel delivery and optimal engine performance.
: Includes performance diagrams, tightening torques, and operating parameters like firing order (1-5-3-6-2-4) and compression ratios (17:1 for naturally aspirated; 16:1 for turbocharged). If you are a student or technician: Practical