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.
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HOMESERVICE MANUALSBUICK2006LUCERNE V6-3.8L VIN 2REPAIR AND DIAGNOSISDIAGRAMSEXPLODED VIEWSENGINECRANKSHAFT AND COMPONENTS
2006 Buick Lucerne V6-3.8L VIN 2
Crankshaft and Components
2006 Buick Lucerne V6-3.8L VIN 2SECTION Crankshaft and Components
Disassembled Views
Crankshaft and Components:
114 - Crankshaft Main Bearing - Upper - 1, 3 and 4
115 - Crankshaft Main Bearing - Upper - 2
116 - Crankshaft Balancer Key
117 - Crankshaft
118 - Crankshaft Main Bearing - Lower - 1
119 - Crankshaft Main Bearing - Lower - 2
120 - Crankshaft Main Bearing - Lower - 3
121 - Crankshaft Main Bearing - Lower - 4
122 - Crankshaft Main Bearing Cap - 1
123 - Crankshaft Main Bearing Cap - 2
124 - Crankshaft Main Bearing Cap - 3
125 - Crankshaft Main Bearing Cap - 4
126 - Crankshaft Main Bearing Cap Bolt - Side
127 - Crankshaft Main Bearing Cap Bolt
300 - Water Pump
301 - Water Pump Gasket
302 - Water Pump Bolt - Short
303 - Water Pump Bolt - Long
304 - Water Pump Pulley
305 - Water Pump Pulley Bolt
400 - Oil Pan
401 - Oil Pan Gasket
402 - Oil Pan Bolt
403 - Oil Pan Drain Plug
404 - Oil Pan Drain Plug Seal
408 - Oil Filter
409 - Oil Filter Fitting
410 - Oil Filter Bypass Valve
411 - Oil Filter Adapter
412 - Oil Filter Adapter Bolt
413 - Oil Filter Adapter Gasket
414 - Oil Pressure Relief Valve
415 - Oil Pressure Relief Valve Spring
420 - Oil Pan Baffle Bolt
421 - Oil Pan Baffle
535 - Oil Pump Cover Bolt
536 - Oil Pump Cover
537 - Oil Pump Gear Set
538 - Engine Front Cover Gasket
539 - Engine Front Cover
540 - Engine Front Cover Stud
541 - Engine Front Cover Bolt
542 - Crankshaft Front Oil Seal
543 - Crankshaft Position Sensor Shield
544 - Crankshaft Balancer
545 - Crankshaft Balancer Washer
546 - Crankshaft Balancer Bolt
551 - Crankshaft Rear Oil Seal
552 - Flywheel
553 - Flywheel Bolt
714 - Oil Level Indicator Sensor
715 - Oil Level Indicator Switch Seal
716 - Camshaft Position Sensor Bolt
717 - Camshaft Position Sensor
718 - Camshaft Position Sensor Seal
719 - Engine Oil Pressure Indicator Sensor
720 - Crankshaft Position Sensor
721 - Crankshaft Position Sensor Stud
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.