C 1500 Suburban 2WD V8-4.8L VIN V (2002)
Hose/Line HVAC: All Technical Service Bulletins
Suspension - Service Ride Control Message/DTC C0580
Bulletin No.: 03-03-11-001
Date: July 22, 2003
TECHNICAL
Subject:
Service Ride Control Message Displayed, DTC C0580 Set (Replace Right Front Shock Absorber Solenoid Connector and Install New A/C Suction Hose
and Auxiliary A/C Evaporator Hose)
Models:
2002-2003 Cadillac Escalade
2003 Cadillac Escalade ESV
2001-2003 Chevrolet Suburban, Tahoe
2001-2003 GMC Yukon, Yukon XL
with Rear Air Conditioning System (RPO C69) and Real Time Damping Chassis Package (RPO Z55)
Condition
Some customers may comment on the Service Ride Control message being displayed. Upon investigation, the technician may find DTC C0580 set.
Cause
Poor clearance between the auxiliary A/C evaporator hose and the right front shock absorber damper solenoid connector may be the cause of this
condition. Contact may occur damaging the connector and causing a poor connection at the damper solenoid.
Correction
Replace the right front shock absorber solenoid connector and install a new A/C suction hose and auxiliary A/C evaporator hose. These new A/C hoses
will provide proper routing to prevent contact between the auxiliary A/C evaporator hose and the right front shock absorber damper solenoid connector.
Use the procedure listed below.
1.
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging in the HVAC sub-section of the Service Manual.
2.
Raise the vehicle. Refer to Lifting and Jacking the Vehicle in the General Information sub-section of the Service Manual.
3.
Remove the right front wheel assembly.
4.
Remove the right front wheelhouse panel.
5.
Remove the nut and the auxiliary evaporator hose from the accumulator line block.
6.
Remove the nut and the suction hose from the accumulator.
7.
Remove the bolt and the suction hose from the compressor.
8.
Install the new suction hose and bolt to the compressor.
Tighten
Tighten the bolt to 16 N.m (12 lb ft).
9.
Install the new suction hose and nut to the accumulator.
Tighten
Tighten the nut to 16 N.m (12 lb ft).
10.
Release 4 line retaining clamps, starting at the wheelhouse and along the underbody towards the rear of vehicle.
