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 MANUALSCHEVROLET2007HHR L4-2.2LREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETIMING COMPONENTSTIMING COMPONENT ALIGNMENT MARKSLOCATIONS
2007 Chevrolet HHR L4-2.2L
Timing Component Alignment Marks: Locations
2007 Chevrolet HHR L4-2.2LSECTION Locations
Install the timing chain drive sprocket to the crankshaft with the timing mark in the 5 o'clock position.
Important
* There are 3 colored links on the timing chain. Two links are of matching color, and one link is of a unique color. Use the following procedure to line up the links with the sprockets. Orient the chain so that the colored links are visible.
* Always use new sprocket bolts.
Assemble the intake camshaft sprocket to the timing chain with the timing mark lined up with the uniquely colored link (1). Hand tighten a new intake camshaft sprocket bolt.
Lower the timing chain through the opening in the cylinder head. Use care to ensure that the chain goes around both sides of the cylinder block bosses (1, 2).
Route the timing chain around the crankshaft sprocket and line up the first matching colored link (2) with the timing mark on the crankshaft sprocket, in approximately the 5 o'clock position.
Install the adjustable timing chain guide through the opening in the cylinder head and install the adjustable timing chain bolt.
Align the timing mark on the sprocket with the last matching colored link (3). Install the bolt finger tight.
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.