Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Chevrolet SSR V8-5.3L VIN PFACTORY OEM SERVICE PROCEDURE
Lower Engine Assembly
Disassembled Views
Lower Engine Assembly:
1 - Engine Block
2 - Camshaft Position Sensor Bolt
3 - Camshaft Position Sensor
4 - Oil Pressure Sensor
5 - Engine Block Rear Oil Gallery Plug
6 - Piston Rings
7 - Piston and Connecting Rod Assembly
8 - Connecting Rod Bearings
9 - Connecting Rod Cap
10 - Connecting Rod Bolt
11 - Oil Pump Screen O-Ring Seal
12 - Oil Pump Screen Bolt
13 - Oil Pump Screen
14 - Oil Pump Screen Nut
15 - Crankshaft Oil Deflector
16 - Flywheel - Automatic Transmission
17 - Flywheel Bolt
18 - Oil Pan Gasket
19 - Oil Pan
20 - Oil Pan Oil Gallery Plugs
21 - Oil Transfer Tube Bolts
22 - Oil Pan Closeout Cover Bolt - Left Side
23 - Oil Pan Closeout Cover - Left Side
24 - Oil Pan Drain Plug
25 - Oil Filter Adapter
26 - Oil Filter
27 - Oil Pan Closeout Cover - Right Side
28 - Oil Pan Closeout Cover Bolt - Right Side
29 - Crankshaft Bearing Cap Side Bolt
30 - Crankshaft Bearing Caps
31 - Crankshaft Bearing Cap Bolt/Stud
31 - Crankshaft Bearing Cap Bolt/Stud
32 - Crankshaft Bearing Cap Bolt
33 - Crankshaft Bearing
33 - Crankshaft Bearing
34 - Crankshaft Thrust Bearing - Lower
35 - Crankshaft
36 - Crankshaft Sprocket Key
37 - Crankshaft Thrust Bearing - Upper
38 - Engine Block Front Oil Gallery Plug
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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