RSS CODES DISPLAYED OR ELECTRONIC LEVELING CONTROL. Cadillac Concours 1994

For 1990-2009 cars

# RSS CODES DISPLAYED OR ELECTRONIC LEVELING CONTROL

#### SUBJECT: RSS CODES DISPLAYED OR ELECTRONIC LEVELING CONTROL (ELC) COMPRESSOR INOPERATIVE (DIAGNOSE/REPLACE)

#### MODELS: 1993-96 CADILLAC ELDORADO, SEVILLE 1994-96 CADILLAC CONCOURS, DEVILLE

#### CONDITION:

SOME ROAD SENSING SUSPENSION (RSS) EQUIPPED VEHICLES MAY EXHIBIT RSS CODES S037, RS0037, S038 OR RS0038 OR AN INOPERATIVE ELECTRONIC LEVELING CONTROL (ELC) COMPRESSOR.

#### CAUSE:

THIS CONDITION MAY BE CAUSED BY INGESTION OF MOIST AIR THROUGH A LEAK, CUT OR DAMAGED AIR LINE RESULTING IN MOISTURE CONDENSATION INSIDE THE ELC COMPRESSOR. THIS, IN TURN, CAUSES CORROSION RESULTING IN COMPRESSOR FAILURE.

#### CORRECTION:

1. DIAGNOSE RSS CODES PER SECTION 3G2 OF THE SERVICE MANUAL. DIAGNOSE ELC COMPRESSOR INOPERATION PER SECTION 3D1 OF THE SERVICE MANUAL.

2. IF TROUBLE TREE LEADS TO "REPAIR COMPRESSOR" OR "REPLACE ELC COMPRESSOR HEAD ASSEMBLY", PERFORM THE FOLLOWING:

A. REPLACE ALL LINES FROM THE COMPRESSOR TO BOTH REAR SHOCKS. B. REPLACE THE ELC COMPRESSOR ASSEMBLY.

#### NOTICE: DAMAGED AIR LINES MAY RESULT FROM MISPLACED OR MISSING AIR LINE MOUNTING CLIPS. SEE ATTACHED FIGURE 1, ITEM 1 FOR PROPER MOUNTING CLIP LOCATION. ASSURE PROPER LOCATION/ PRESENCE OF THE VENT LINE AND FILTER.

#### WARRANTY INFORMATION:

FOR VEHICLES REPAIRED UNDER WARRANTY, USE:

LABOR LABOR OPERATION DESCRIPTION TIME ========= =========== =====

E5960 COMPRESSOR ASSEMBLY, ELECTRONIC USE PUBLISHED LEVEL CONTROL - REPLACE LABOR TIME.

E5906 TUBING, ELECTRONIC LEVEL CONTROL USE PUBLISHED REPLACE - TEE TO STRUT (BOTH) LABOR TIME.

FIGURES: 01 ATTACHMENTS: 00

GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.

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