Coolant Leak at Rear of Vehicle (Install Auxiliary Heater Inlet and Outlet Hose Quick Connector Service Kit)
| Subject: | Coolant Leak at Rear of Vehicle (Install Auxiliary Heater Inlet and Outlet Hose Quick Connector Service Kit) |
| Models: | 2005-2007 Cadillac Escalade, Escalade ESV |
| 2005-2007 Chevrolet Suburban, Tahoe |
| 2005-2007 GMC Yukon Models |
| with Auxiliary Heater (RPO C36) |
Condition
Some customers may comment on a coolant leak at the rear of the vehicle.
Cause
This condition may be due to the auxiliary heater hose quick connection leaking or the retaining clip is broken.
Correction
Technicians are to install an auxiliary heater inlet and outlet quick connector service kit instead of replacing the entire auxiliary heater hose line set. The components of the service kit are shown in the illustration above. The kit consists of an instruction sheet, retaining clip (1), second O-ring (2), mid-spacer (3), and first O-ring (4). Refer to the Auxiliary Heater Inlet and Outlet Hose Connector Retainer and Seal Replacement procedure in SI for more information on how to install this service kit (Document ID# 1887838).
Parts Information
Part Number | Description | Qty |
|---|---|---|
19130031 | Retainer Kit, Auxiliary Heater Inlet & Outlet Hose Connector | 1 per hose |
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
D2742 | Fitting, Quick Connect - Replace | Use Published Labor Operation Time |
