HHR L4-2.4L (2010)
26. Install the upper timing chain guide and bolts. Tighten the upper timing chain guide bolts to 10 Nm (89 lb in).
27. Reset the timing chain tensioner by performing the following steps:
1. Remove the snap ring.
2. Remove the piston assembly from the body of the timing chain tensioner.
3. Install the J 45027-2 (2) into a vise.
4. Install the notch end of the piston assembly into the J 45027-2 (2).
5. Using the J 45027-1 (1), turn the ratchet cylinder into the piston.
6. Reinstall the piston assembly into the body of the tensioner.
7. Install the snap ring.
