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HOMESERVICE MANUALSCHEVROLET2005OPTRA5 BASE, STANDARDREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE MECHANICAL - 1.6L (L91)COMPONENT LOCATORDISASSEMBLED VIEWS
2005 Chevrolet Optra5 Base, Standard

Disassembled Views

2005 Chevrolet Optra5 Base, StandardSECTION Disassembled Views
Fig 1: Identifying Cylinder Head Components
GM1291613Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Oil Filler Cap
2 Engine Cover
3 Camshaft Cover
4 Camshaft Cover Gasket
5 Camshaft Cover Bolt
6 Hydraulic Tappet Adjuster
7 Valve Key
8 Valve Spring Cap
9 Valve Spring
10 Valve Stem Seal
11 EGR Vacuum Hose
12 EGR Valve
13 EGR Valve Gasket
14 EGR Valve Adaptor
15 EGR Valve Adaptor Gasket
16 Cylinder Head
17 Freeze Plug
18 Valve Guide
19 Plug
20 Front Camshaft Cap
21 Oil Duct Cap
22 Thermostat
23 Intake Valve
24 Cylinder Head Gasket
25 Exhaust Valve
26 Camshaft
27 Camshaft Seal
28 Engine Coolant Temperature Sensor
29 Coolant Temperature Sensor
30 Heat Take Off Pipe
Fig 2: Identifying Cylinder Block Components
GM1291624Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Piston Ring Set
2 Piston
3 Piston Pin
4 Connecting Rod
5 Connecting Rod Bearing Set
6 Oil Level Gage Stick
7 Gage Stick Tube
8 Sleeve
9 Clutch Housing Sleeve
10 Cylinder Block
11 Plug
12 Gap
13 Bypass Valve
14 Connecting Piece
15 Oil Filter
16 Fly Wheel (M/T)
17 Flexible Plate (A/T)
18 Crankshaft Upper Bearing Set
19 Transmitter Disc
20 Shaft Seal Ring
21 Crankshaft Lower Bearing Set
22 Oil Pan
23 Threaded Ring
24 Washer
25 Oil Pan Drain Plug
26 Crankshaft Bearing Cap
27 Crankshaft
28 Oil Suction Pipe
29 Sealing
30 Oil Suction Pipe Bracket
31 Sleeve
32 Oil Pressure Switch
33 Shaft Sealing
34 Pressure Relief Valve Plunger
35 Oil Pump
36 Oil Pump Plug
37 Relief Valve
38 Sealing
39 Relief Valve Spring
40 Oil Pump Outer Rotor
41 Oil Pump Inner Rotor
42 Oil Pump Cover
43 Oil Pump Body Gasket
44 Water Inlet Neck
45 Knock Sensor
Fig 3: Identifying Intake And Exhaust Manifold Components
GM1291636Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Main Throttle Idle Actuator (MTIA)/Throttle Body
2 Main Throttle Idle Actuator (MTIA) Gasket
3 Intake Manifold
4 Exhaust Manifold Gasket
5 Exhaust Manifold
6 Heat Shield
7 Oxygen Sensor
8 Air Cleaner Upper Housing
9 Air Cleaner Element
10 Air Cleaner Lower Housing
11 Clamp
12 Intake Air Tube
13 Breathe Hose
14 Resonator
15 Air Inlet Hose
Fig 4: Identifying Timing Belt Components
GM1291650Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Auto Tensioner
2 Camshaft Position Sensor
3 Water Pump Sealing
4 Water Pump
5 Timing Belt Rear Cover
6 Crankshaft Gear
7 Timing Belt
8 Timing Belt Front Upper Cover
9 Crankshaft Position Sensor
10 Crankshaft Pulley
11 Timing Belt Front Lower Cover
12 Torque Roll Axis Support
13 Idler Pulley
14 Camshaft Gear
Fig 5: Identifying Engine Mounting Components
GM1291685Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Hydro Mounting
2 Engine Mounting Bracket
3 Rear Transaxle Mounting Bracket (M/T)
4 Rear Power Unit Damping Block
5 Rear Transaxle Mounting Bracket (A/T)
6 Transaxle Mounting Bracket (A/T)
7 Transaxle Mounting Bracket (M/T)
8 Transaxle Mounting Cage
9 Engine Lower Cover
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.