Skylark L4-138 2.3L SOHC VIN 3 MFI QUAD 4 (1992)
Radio/Stereo: Technical Service Bulletins
Audio - Poor FM Radio Performance
Bulletin: 92-9-18
Date: Oct. '92
Ref.No.: 92-296-9
Corp.Ref.No.: 239009
SUBJECT:
POOR FM RADIO PERFORMANCE (RETURN TO AC DELCO SERVICE CENTER)
MODELS AFFECTED:
1992 MODELS WITH CDM TYPE RADIO
CONDITION:
Some 1992 Buick's equipped with a CDM (Communication Data Module) receiver box may exhibit one or more of the following conditions on FM
stations: both channels fade, right channel fades, loss of volume, radio switching from stereo to mono, or treble cutting out.
CORRECTION:
For 1992 vehicles with any of the symptoms listed above, verify that the receiver box is both a CDM and a 1992 model radio.
There are two ways that CDM receivers are mounted: a remote mounted receiver box, and a receiver box integral with the radio control head.
1.
Remote Mounted Receiver Box - this type of radio has the box mounted in a different location from the control head. All these receiver boxes are
CDM.
