CoolingModel years 2005–2007Manufacturer
Coolant leak at the rear of the vehicle (auxiliary heater hose quick connector)
The article names 2005-07 Escalade, Suburban, Tahoe and Yukon models with Auxiliary Heater (RPO C36) (bulletin 07-01-37-002).
FaultCrate・Coolant leak at the rear of the vehicle (auxiliary heater hose quick connector)
Some customers may comment on a coolant leak at the rear of the vehicle; bulletin 07-01-37-002 has the details.
The condition may be due to the auxiliary heater hose quick connection leaking, or a broken retaining clip.
What to do
- Install an auxiliary heater inlet and outlet quick connector retainer kit; do not replace the entire auxiliary heater hose line set.
- The retainer kit for the auxiliary heater inlet and outlet hose connector is part number 19130031, 1 per hose.
- The installation procedure is Auxiliary Heater Inlet and Outlet Hose Connector Retainer and Seal Replacement in SI (document 1887838).
Part numbers printed in the document
19130031Retainer Kit,Auxiliary Heater Inlet & Outlet Hose ConnectLook up at RockAuto (aftermarket candidates) ↗Search the web ↗
No successor statedas stated by GMPartsGiant (checked 2026-10-06) ↗
The numbers are as the document prints them. The name and the replacing number are what the pages of GMPartsGiant, a reseller of genuine parts and not GM, state. Aftermarket equivalents are not checked here (the links only search by number). Confirm the fit for the vehicle (VIN) before ordering.
Caution
- The part number is available, but in the parts catalog it is not presently associated with any of the affected vehicles.
Applies to
- The information applies to 2005-07 Escalade, Suburban, Tahoe and Yukon models with Auxiliary Heater (RPO C36).
See the evidence (1 documents, 7 passages)
| Document | Publisher | Date |
|---|---|---|
| [1]GM TechLink, August 2007 ↗ | ManufacturerGeneral Motors | 2007-08-01 |
Applies toThe information applies to 2005-07 Escalade, Suburban, Tahoe and Yukon models with Auxiliary Heater (RPO C36).
This information applies to 2005-07 Escalade, Suburban, Tahoe and Yukon models with Auxiliary Heater (RPO C36).— [1]
First signsSome customers may comment on a coolant leak at the rear of the vehicle; bulletin 07-01-37-002 has the details.
Some customers may comment on a coolant leak at the rear of the vehicle. Refer to bulletin 07-01-37-002 for details.— [1]
Why it happensThe condition may be due to the auxiliary heater hose quick connection leaking, or a broken retaining clip.
This condition may be due to the auxiliary heater hose quick connection leaking, or the retaining clip is broken.— [1]
RepairInstall an auxiliary heater inlet and outlet quick connector retainer kit; do not replace the entire auxiliary heater hose line set.
Install an auxiliary heater inlet and outlet quick connector retainer kit. Do not replace the entire auxiliary heater hose line set.— [1]
RepairThe retainer kit for the auxiliary heater inlet and outlet hose connector is part number 19130031, 1 per hose.
19130031 Retainer Kit, Auxiliary Heater Inlet & Outlet Hose Connector 1 per hose— [1]
RepairThe installation procedure is Auxiliary Heater Inlet and Outlet Hose Connector Retainer and Seal Replacement in SI (document 1887838).
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 1887838).— [1]
CautionThe part number is available, but in the parts catalog it is not presently associated with any of the affected vehicles.
TIP: The part number in the table is available, but in the parts catalog it is not presently associated with any of the affected vehicles.— [1]
Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.
List the records (1 that can be opened)
Records whose recall number, document number or text matches. Each line says why it matched.
- Coolant leak at the rear of the vehicle: auxiliary heater hose quick connector retainer kitManufacturer communication 2007-08-01・document number matches
