Disclaimer2010 Cadillac CTS Sedan AWD V6-3.6L Technical Service Bulletin # 04-06-01-029G Date: 120927
Vehicle - Engine And Sub-Systems Flushing Recommendations
INFORMATION
Bulletin No.: 04-06-01-029G
Date: September 27, 2012
Subject: Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper use of GM Simplified Maintenance
Schedules (U.S. Only)
Models:
2013 and Prior GM Passenger Cars and Trucks
Attention:
This bulletin is applicable to U.S. dealers only. Dealers in Canada refer to the latest version of Corporate Bulletin Number 12-06-01-008.
Supercede:
This bulletin is being revised to update information. Please discard Corporate Bulletin Number 04-06-01-029F (Section 06 - Engine/Propulsion
System).
Service is Important to You and Your Customer
General Motors takes great pride in offering our dealerships and customers high quality vehicles that require extremely low maintenance over the
life of the vehicle. This low cost of ownership builds repeat sales and offers our customers measurable economy of operation against competing
vehicles. Our goal is to make the customer experience a key driver of why customers purchase GM products and services. Providing
responsible services at the proper intervals supports this goal and will help your dealership earn repeat business.
An Overview of Proper Vehicle Service
Today, many of your service departments merchandise supplemental services and fluids to customers indicating that these "flushes" have a positive
effect on durability of the component part. It should be noted that analyses of returned parts that have been exposed to these aftermarket "flushes"
show indications of potential damage and shortened durability.
The following information clearly defines the guidelines for servicing GM vehicles.
GM Authorized Service Information is Detailed, Descriptive and Complete
If GM determines that a specific model vehicle or powertrain needs supplemental service, GM will issue an Authorized Service Document with
detailed service procedures that will identify any machine, tool or chemical required to conduct proper vehicle servicing. Listed below are a few
examples of those messages as well as additional guidelines:
Engine Crankcase Flushing
General Motors Corporation does not endorse or recommend engine crankcase flushing for any of its gasoline engines. Analysis of some of
the aftermarket materials used for crankcase flushing indicate incompatibility with GM engine components and the potential for damage to some
engine seals and bearings. Damage to engine components resulting from crankcase flushing IS NOT COVERED under the terms of the New
Vehicle Warranty.
Subsystem Flushing
2010 Cadillac CTS Sedan AWD V6-3.6L Page 11
Flushing of air conditioning (A/C) lines, radiators, transmission coolers, and power steering systems are recognized practices to be performed after
catastrophic failures or extreme corrosion when encountered in radiators. For acceptable A/C flushing concerns, refer to the Flushing procedure in
Service Information (SI). This practice is not required or recommended for normal service operations.
The use of external transmission fluid exchange or flush machines is not recommended for the automatic or manual transmission. Use of external
machines to replace the fluid may affect the operation or durability of the transmission. Transmission fluid should only be replaced by draining and
refilling following procedures in Service Information (SI). Refer to Automatic/Manual Transmission Fluid and Filter Replacement.
Approved Transmission Flushing Tool (Transmission Cooler Only)
The Automatic Transmission Oil Cooler Flow Check and Flush Tool IS recommended for GM vehicles. Refer to Transmission Fluid Cooler Flow
Check and Flush in the Service Information website using the J-45096.
Our Commitment to providing Quality Service to Our Customers
Customers will appreciate and trust dealerships that inform and offer them what they truly need for continued trouble-free operation of their GM
vehicle. Examine your service department's practices and verify that all Service Advisors and Technicians focus on providing a truly exceptional
service experience through vehicle inspections and offering appropriate products at time of service. Use this opportunity to leverage recent
technology including the Service Workbench Menu and Inspection Tool Kit and review the services you provide to your customers. Here are a few
suggestions:
- Review your processes to ensure that your service team performs a Multi-Point Vehicle Inspection on every vehicle visiting your service
lane. Use the electronic Multi-Point Vehicle Inspection process in the Service Workbench to document vehicle needs and evaluate them for
safety and wear items. This information can be quickly integrated into your marketing efforts and the Customer Sales and Service Retention
(CSSR) program to personalize the message to your customers.
- Take the time required to align your dealership service practices with the GM Simplified Maintenance Schedule and use the Service
Workbench Menu tool to ensure consistent pricing for each customer.
- Maintain your service expertise through GM Training and ASE Certification of your technicians.
- Finally, take advantage of the Certified Service initiatives that continue drive service customers to your dealership.
