OBJECTIVES

The primary role of the General Motors Upfitter Integration group is to provide technical assistance to the hundreds of upfitters in the field who regularly modify our Light and Medium Duty Trucks for a wide variety of commercial applications. The assistance could be in the form of anything from an electrical schematic to guidelines for lengthening a frame rail.

To assist with providing information to upfitters, we maintain an up-to-date website (www.gmupfitter.com) that includes detailed Body Builder Manuals, Technical Bulletins, and Best Practices Manuals.

Our secondary role is to act as a liaison between the upfitter and/or end customer and several other GM organizations, such as Engineering, Marketing, and Service. Our interface role with these other groups is often required when (1) a technical solution is not obvious and in-depth Engineering investigation is required or (2) a product feature that is required is not available and needs to be added by Marketing or (3) a new service calibration needs to be developed and made available by GM Service.

Upfitter Integration's ultimate goal is to help the upfitter deliver the highest quality vehicle possible, thereby improving overall customer satisfaction. We have three main resources to accomplish this main objective:
HOTLINES

Upfitter Integration maintains a Hotline service that can be accessed via (1) toll-free telephone number at 1-800-875-4742 or (2) on-line request form by clicking here at Hotline Question Request. Once a Case is received by the Upfitter Integration coordinator, it will be screened for export compliance issues. You may be asked to answer a few questions about the vehicle and the scope of the upfit if you are non-US based or your issue raises possible concerns about export compliance. The case will then be forwarded to the appropriate electrical or mechanical Technical Liaison Engineer in our group.

Specific requests for Math Data can be expedited if you use the on-line request form by clicking here at Math Data Request.

We typically provide 48 hour response time on cases unless we are experiencing an abnormally high case load. This does not mean a solution will always be available within 48 hours. However, we will be actively working on your case in pursuit of an answer whether we have to consult with another GM group, check a drawing, review a physical mock-up property, etc.. Be assured that getting your vehicle up and running in a timely manner is our number one goal.

Body Builder Manuals

The Light and Medium Duty Body Builder Manuals that are published by Upfitter Integration contain a wide range of technical information, including electrical schematics, body and frame dimensions, exhaust system modification, etc..

To view our Light and Medium Duty Body Builders Manual, click here at Publications, then Body Builder Manuals.

Technical Bulletins

Technical Bulletins provide up-to-date information on issues that come up during the model year. These issues require a more immediate distribution of technical information than the annual Body Builder Manuals can provide. The need for a technical bulletin may be driven by one of the following:

1. Mid-year design change to the vehicle that affects upfitter modifications
2. Information from a GM Service Bulletin that specifically affects upfitter modifications
3. Frequent submissions to our Hotline involving one particular issue that many upfitters encounter

To view our Technical Bulletins, click here at Publications, then Technical Bulletins.

Best Practices

The Best Practices Manuals provide recommended guidlelines that should be followed when modifying a vehicle. These guidelines generally reflect industry recognized processes and procedures that are intended to help the upfitter maintain the safety, reliability, and integrity of the vehicle original design, as well as comply with any state, federal, or industry requirements.

To view our Best Practices Manuals, click here at Publications, then Best Practices Manuals.