Operation CHARM: Car repair manuals for everyone.
Home >> Volvo >> 1998 >> S70 L5-2.4L VIN 55 B5254S >> Repair and Diagnosis >> Heating and Air Conditioning >> Control Assembly >> Technical Service Bulletins >> All Technical Service Bulletins >> Campaign - Front Panel/Diode Kit, MCC >> Removing the Diode Kit
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

Removing the Diode Kit

1
Removing power diode





If a power diode has been installed, it must be removed.

Switch ignition off.

Remove glove compartment.

Note!
Please observe SRS warning labels and SRS information.





Remove passenger side soundproofing panel behind the glove compartment edge.

2
Remove power diode





Remove blower resistor.

Remove power diode.

Seal holes in heater housing by installing pop rivets, P/N979878-6.

Seal the filed holes with silver tape, P/N 277063-4, 60 x 15 mm (23/8" x 5/8").

Install the tape so that it covers both sides of the edge.

Discard the power diode and reinstall other removed components.

3
Finishing

Check that the blower tan functions at all fan settings.
pro multis · About Operation CHARM