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 MANUALSCHEVROLET2007IMPALA V6-3.5LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETIMING COMPONENTSTIMING COMPONENT ALIGNMENT MARKSLOCATIONS
2007 Chevrolet Impala V6-3.5L
Timing Component Alignment Marks: Locations
2007 Chevrolet Impala V6-3.5LSECTION Locations
^ Align the crankshaft timing mark (1) to the timing mark on the bottom of the timing chain tensioner (2).
^ Hold the camshaft sprocket with the timing chain hanging down and install the timing chain to the crankshaft gear.
^ Align the timing mark on the camshaft gear (4) with the timing mark on top of the timing chain tensioner (3).
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.