Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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Tire Monitor System - Valve Stem Torque Tool

TPMS VALVE CORE TOOL

Over the past year, we've all come to find out just how sensitive the Tire Pressure Monitoring System (TPMS) is to pressure fluctuations. There is a new tool out there that will properly torque the valve stem when you put it back in so that it's not under or over torqued which could possibly result in a leak. The one tool that we know of is manufactured by Vacula Automotive, and will torque the valve stem to 4 in. lbs. The part number is 72-088-0020. Subaru does not endorse or require that you get this tool. We just wanted to make you aware of it.