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

Pressure Relief Valve

Pressure Relief Valve:






Inspect
^ Replace pressure relief valve if open by looking for any signs of refrigerant leakage.

Remove or Disconnect

1. Pressure relief valve with socket.
2. Pressure relief valve and 0-ring seal from compressor.
3. Discard 0-ring seal.

Install or Connect

1. Lubricate new 0-ring seal with PAG oil.
2. 0-ring seal to pressure relief valve.
3. Pressure relief valve to compressor.

Tighten
^ Pressure relief valve to 12-18 N.m (106.2 lbs.in.-13 lbs.ft.)