The automatic engine Stop/Start system (RPO KL9), which turns off the engine under required conditions when the brake is applied and the vehicle is at a complete stop, is becoming a standard feature on many GM models.

We recently had a question from someone about a battery failure and charging issue in their RV.
They had an internal short while attempting to charge their battery overnight and were looking to find out how this can be avoided in the future.

Mounting summer tires or changing to winter tires happens every year as temperatures rise and fall.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

Diagnostic tips may to help locate the source of a loss of communication with a high-speed LAN module.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

5 steps to follow if a frozen PCV system is found

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

For servicing vehicles equipped with GM’s powerful 6.6L V-8 Duramax Diesel engine, ACDelco offers several premium maintenance parts designed to keep them running strong.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

We’re listening! ACDelco’s TAC team listens because they know how frustrating it can be to get good sound advice when it comes to vehicle diagnostics.

Our rainy springs, humid summers and difficult winters are taking their toll on our vehicles.  Winter liquid road sprays alone have been increasing vehicle corrosion.

When installing an aftermarket bed cap or topper on a 2014 Silverado 1500 or Sierra 1500, or a 2015 Silverado or Sierra, the wiring provisions for the Centre High Mounted Stop Lamp (CHMSL) are provided at the Rear Body Junction Block (X63A) connector X6, terminal 1.

On models equipped with Spark Ignition Direct Injection (SIDI) 4- or 6-cylinder engines experiencing a hard start or extended crank condition, or black smoke from the exhaust when starting, there are several basics tests to perform during diagnosis.