ECC Control Panel Modification To Fit Earlier Models (GROUP 87, NO. 723)

ECC CONTROL PANEL MODIFICATION TO FIT EARLIER MODELS

TECHNICAL SERVICE BULLETIN

ECC CONTROL PANEL MODIFICATION

Model(s): 1990 Volvo 740

1988-91 Volvo 780 Group: 87 - Climate Control, Air Bulletin No.: 723 Car Market: US and Canada Date: September 1991

REFERENCE

TP 31127/1 (ENGLISH); 09/88; BODY: CLIMATE UNITS

MODIFICATION OF ECC CONTROL PANEL TO FIT EARLIER MODELS

The following modifications apply only for 740/780 vehicles equipped with Electronic Climate Control. Control panel mounting is changed from m/y 1991 on. Only the modified panel is available for replacement. Perform following minor modification when replacing earlier ECC control panels.

For 740 only:

1990 ECC control panel. See Fig 1 .

New 740 ECC control panel, 1991-->

Modification required to mount new ECC control unit on 1990 model:

- Cut off lug (arrow) indicated. See Fig 2 .

- Drill new 5mm (3/16 in.) dia. hole 32mm (126 in.) from original hole as illustrated in Fig. Fig 2 .

- Carry out modification at each end of the panel.

For 780 only (1989-91):

New 780 ECC control panel, 1991--> (before modification)

When installing new panel, modify component as follows:

- File off raised section (arrow, Fig. Fig 3 ) at each end of panel.

After modification (to fit 1988-91 models). See Fig 4 .