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)

Or, hide this message: temporarily or permanently

Oil Pressure Regulator Valve


Relief Valve Spring Specifications
Load (N) Length (mm/inch)
L0: 00 ± 0 N 82.13 mm (3.20 inch)
L1: 52 ± 4 N 56.10 mm (2.20 inch)
L2: 85 ± 8 N 39.90 mm (1.55 inch)