GrimmSpeed Subaru Lightweight Crank Pulley User Manual
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23. Installation of A/C belt for 2008+ models. Pre-2008 owners please skip to install step
34. Your car does not have an A/C tension idler and utilizes a stretch fit belt. You will need
the GrimmSpeed light weight pulley stretch tool along with the Gates stretch tool to install
this belt. Install the provided nylon washers onto the pulley to protect the finish. Note:
Pulley is shown outside of the car for clarification purposes.
24. Tighten the GrimmSpeed light weight pulley stretch tool onto the pulley as shown with
the Gates plastic belt ramp. You will use an 8mm hex wrench.
25. Rotate the pulley clockwise so that the tool is approximately 45degrees from the 12
o'clock position.