The engine is the core component of a vehicle, often considered one of the most critical parts. Its internal structure is highly complex, consisting of thousands of individual components working in harmony. If you've ever wondered what these parts are called or how they fit together, this detailed breakdown will help you understand the inner workings of an engine. From exploded views to labeled diagrams, you'll get a clear visual guide to each part's function and location.
**1. Engine Cylinder Block Disassembly Parts Position Diagram**
This diagram shows the key components of the cylinder block and its associated parts. Here’s a breakdown of the main elements:
1 – 0 ring (thermometer housing to coolant pump)
2 – Thermostat housing
3 – Bolt (thermometer housing to cylinder block)
4 – Thermostat seal
5 – Thermostat cover
6 – 0 ring (thermometer to coolant tube)
7 – Connecting rod bolt
8 – Connecting rod large head bearing cover
9 – Connecting rod large head bearing bush (top)
10 – Connecting rod large head bearing bush (bottom)
11 – Link
12 – Piston
13 – Oil ring
14 – Second gas ring
15 – First gas ring
16 – Cylinder liner
17 – Exhaust bolt
18 – Coolant pipe exhaust bolt sealing washer
19 – Coolant tube
20 – Screw (coolant tube to cylinder block)
21 – Cylinder head gasket
22 – Bolt (thermometer cover to thermostat shell)
23 – Cylinder block
24 – 0 ring (coolant pump to cylinder block)
25 – Bolt (coolant pump to cylinder body)
26 – Screws (coolant pump to cylinder block)
27 – Coolant pump
28 – Locating pin (cooling pump to cylinder block)
29 – Locating pin (cylinder block to cylinder head)
**2. Engine Crankshaft, Oil Sump, and Oil Pump Disassembly Parts Name Diagram**
Here’s a detailed view of the crankshaft, oil sump, and oil pump components located beneath the cylinder block.
Below is a list of the major parts found in this section:
1 – Oil pump assembly
2 – Oil pump gasket
3 – Crankshaft
4 – Thrust washer (2 on the main bearing No. 3)
5 – Spindle washer (upper) (on the 1st and 5th, flat; 2~4 groove-shaped)
6 – Positioning pin
7 – Crankshaft rear oil seal
8 – Flywheel assembly
9 – Bolt (flywheel to crankshaft)
10 – Main spindle (lower)
11 – Positioning pin (bearing seat to cylinder block)
12 – Bearing seat
13 – Positioning pin (bearing seat to transmission housing)
14 – Bolt (turbocharger inlet pipe to turbocharger)
15 – Washer between the supercharger inlet pipe and turbocharger
16 – Turbocharger inlet pipe
17 – Washer between the turbocharger return pipe and turbocharger
18 – Turbocharger return pipe
19 – Turbocharger return pipe washer
20 – Bolt (turbocharger return pipe to cylinder block)
21 – Oil filter
22 – Oil filter joint
23 – Bolt (oil filter mounting bracket to bearing seat)
24 – Oil filter seat
25 – Filter plug of the oil filter seat
26 – Washer between the oil filter seat and the bearing housing
27 – Bolt (bearing seat to oil groove rail)
28 – Nut (bearing seat to oil rail)
29 – Oil pressure switch
30 – Oil sole shell
31 – Bolt [oil pan to bearing seat (long)]
32 – Oil pan oil drain screw plug
33 – Oil drain screw plug gasket
34 – Bolt [oil pan to bearing seat (short)]
35 – Bolt (oil oil collection filter to bearing seat)
36 – Oil collection filter
37 – Oil collection filter seal
38 – Oil rail center screw plug
39 – Bolt [bearing seat to cylinder block (long)]
40 – Bolt [bearing seat to cylinder block (short)]
41 – Bolt (oil pump to cylinder block)
42 – Crankshaft front oil seal
43 – Oil gauge pipe to the bearing seat washer
44 – Bolt (oil gauge pipe to the bearing seat)
45 – Oil gauge pipe
46 – Bolt (oil gauge tube to cylinder block)
47 – Oil scale
48 – Torque converter drive disc
49 – Bolt (torque converter drive disc to crankshaft)
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