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 or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Oil Pressure Regulator Valve

GENERAL SPECIFICATIONS
Relief Valve
Spring Tension (Force per Length) 9.19 N per mm (52.5 lb per in)
to Bore Clearance 0.052-0.088 mm (0.0020-0.0035 in)