Powertrain
(Engine & Transmission)

Certified Service technician checking on the engine and transmission of a vehicle.

Repairing a modern vehicle is more science than elbow grease. The engine and transmission are complex, intricate systems that use hardware and software technology with more moving parts than most vehicle systems. Diagnosing a problem can be a complicated process because one problem could actually be a sign of a number of other underlying issues.

 

If you’re experiencing a problem, you can trust Certified Service to help you find the best solve for your vehicle’s health.

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Engine
GM Genuine Parts.

Design & Performance

Engines from GM Genuine Parts are engineered and built to meet or exceed Original Equipment Manufacturer (OEM) specifications. And engines from GM Genuine Parts go through months of rigorous validation and testing to ensure optimal performance and durability.

GM Genuine Parts Engines Provide

  • The same engineering standards that go into every new GM vehicle
  • The latest enhancements and improvements
  • Validation and durability standards equal to those in new GM vehicle engines
  • Test certification under stringent and demanding conditions at state-of-the-art labs

Nationwide 3-Year or 160,000 KM Limited Warranty

You can be confident that the GM Genuine Parts engine built for your vehicle will function as originally designed and engineered. That reliability is backed by a fully transferable Limited Warranty on parts and labour for 3 years or 160,000 kilometres, whichever comes first.†
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Automatic Transmission
GM Genuine Part: Automatic transmission part.

Design & Performance

Each automatic transmission and transfer case from GM Genuine Parts is factory engineered and rigorously tested to deliver smooth, consistent performance. The latest engineering advancements are incorporated into every transmission for years of reliable operation.

GM Genuine Parts transmissions, transfer cases, and components provide:

  • The same engineering standards that go into every GM vehicle
  • The latest enhancements and improvements found in a new transmission
  • Durability standards equal to those in new GM vehicle transmissions and transfer cases
  • Test certification under stringent and demanding conditions at state-of-the-art-labs

Nationwide 3-Year or 160,000 KM Limited Warranty

You can be confident that the GM Genuine Parts automatic transmission or transfer case built for your vehicle will function as originally designed and engineered. That reliability is backed by a fully transferable limited warranty on parts and labour for 3 years or 160,000 kilometres, whichever occurs first.†
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Manual Transmission
GM Genuine Part: Manual transmission part.

Design & Performance

When you purchase a GM Genuine Parts manual transmission, you can rest assured that you're getting the same unbeatable quality that came with your new vehicle. Every GM Genuine Parts manual transmission is engineered to GM specifications and designed to fit and operate perfectly, right from the start.

Nationwide 1-Year or 20,000 KM Limited Warranty

GM Genuine Parts manual transmissions come with a transferable limited warranty on parts and labour for 1 year or 20,000 kilometres, whichever occurs first.† All the more reason you can rely on Genuine GM Parts manual transmissions.
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Limited Lifetime Parts Warranty

The GM Genuine Parts engine, transmission and transfer case are covered by the Limited Lifetime Parts Warranty† that’s offered exclusively at your Chevrolet, Buick, GMC, or Cadillac dealer.
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Powertrain Facts

Transmission System Messages On Driver Information Center

Driver Information Center.

If there is a transmission issue that requires immediate attention, the Driver Information Center may display one of the following messages:

Service Transmission

This message displays if there is a problem with the transmission. See your dealer for transmission service.

Shift to Park

This message displays when the transmission needs to be shifted to P (Park). This may appear when attempting to remove the key from the ignition if the vehicle is not in P (Park).

Transmission Hot — Idle Engine

A transmission hot message may display if the automatic transmission fluid is too hot. Driving under this condition can damage the vehicle. Stop and idle the engine to cool the automatic transmission fluid. This message clears when the transmission fluid has cooled sufficiently.
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Checking Automatic Transmission Fluid

Certified Service technician checking on the automatic transmission fluid.

It is not necessary to check the transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to your dealer and have it repaired as soon as possible.

 

There is a special procedure for checking and changing the transmission fluid. Since this procedure is difficult, this type of transmission repair should be done at your dealer. Change the fluid at the intervals listed in the Maintenance Schedule of your Owner’s Manual and be sure to use the fluid listed under Recommended Fluids and Lubricants.
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When to Have Automatic Transmission Fluid Changed

Automatic transmission fluid should be drained and replaced as listed in the Maintenance Schedule of your Owner’s Manual.
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When To Have Manual Transmission Fluid Changed

Manual transmission fluid should be drained and replaced as listed in the Maintenance Schedule of your Owner’s Manual.
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  • Limitations apply. Parts and labour warranty when sold over the counter and REPAIRED by a GM Dealer or qualified installing Independent Service Center (ISC), on-highway applications only. Parts only warranty when consumer repaired or when installed in non-highway application. Coverage limited to defects in material and/or workmanship of the specific part only. See GM Dealer Replacement Parts Warranty Quick Reference Chart for details.