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

Frequency Valve - Replacement Instructions

Group: 25

No.: 82-02

Date: January 27, 1982

Subject: Frequency Valve

Part Identifier 25 16

Key Points:

^ Relocated
^ Replacing instructions for 1981/I982cars

Reference to 25-15/18

Repair Manual Page:

Oxygen Sensor Frequency-valve connection at fuel return line has been relocated closer to the fuel distributor as on 1980 924 Turbo cars.








Note:
Listed 1981 parts are no longer supplied for replacement. If either fuel return line or frequency valve must be replaced on 1981 cars, it will be necessary to replace both the fuel return line and frequency valve with latest versions as shown in illustrations.





Parts Information

Caution:
Part numbers given are for reference purposes only. Always check with your Parts Department for latest parts information.