News Archive
TAC Tips for June 2016
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.

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TAC Tips for May 2016
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.

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Diesel Exhaust Fluid Basics
The Duramax diesel engine exhaust after-treatment system reduces oxides of nitrogen (NOx) using a Selective Catalyst Reduction (SCR) system, a DEF injection system, and two NOx sensors and smart module assemblies.

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TAC Tips for April 2016
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.

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

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TAC Tips for March 2016
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.

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Oil Leak After Extended Driving in Cold Temperatures
5 steps to follow if a frozen PCV system is found

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TAC Tips for February 2016
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.

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TAC Tips for January 2016
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.

Read More »


Product Spotlight: Duramax Diesel Maintenance Support
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.

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TAC Tips for December 2015
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.

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TAC Tips for November 2015
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.

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Why you should look at ACDelco Advantage Coated Rotors
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.

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CHMSL Wiring for Aftermarket Bed Cap
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.

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SIDI Hard Start Cold
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.

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Automatic Parking Assist Hits The Spot
The Automatic Parking Assist system available on 2014-2015 Chevrolet SS, Cadillac CTS Sedan and Cadillac XTS searches for and steers the vehicle into parallel and perpendicular parking spots, making parking easy for drivers.

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Promotions
Tool Bucks Promotion and GM Service Information (SI)

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TAC Tip: 5-Wire Stepper Motor Actuators
Stepper motors are used for control of the temperature regulation, air distribution and recirculation doors on automatic HVAC systems.

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TAC TIP: Wheel Speed Sensor Diagnosis
An intermittent click or grind noise or ABS pump motor noises may be heard inside the vehicle at parking lot speeds and the ABS, Service Traction Control System, and/or Service StabiliTrak warning lamps may be on.

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TAC TIP: Correct Replacement Spin-On Oil filter
Beginning in 2012, the available V6 engine (RPOs LFW, LFX, LLT) in these models was redesigned with tighter engine tolerances. The oil pressure was increased to accommodate these tighter tolerances. As a result, the oil filter specifications of the production oil filter and the service oil filter were also improved to meet the new engine requirements.

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Correct Testing of New, Never-Installed Batteries
Conductance is a measurement of a battery’s current producing capability. This technology can help identify batteries that have reduced performance after being in service. During the formation manufacturing process, each plate is brought to a state of 80-90% completion.

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TECH TIP – Mazda MAF Investigation
According to Mazda, a recent Parts investigation has revealed that some non-defective mass air flow (MAF) sensors have been replaced as a result of improper inspection. In order to prevent this, the following inspection procedure has been developed.

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Absorbent Glass Matte Batteries: The Best choices for high powered applications.
Know when to use AGM Batteries – OEM’s specify AGM batteries for their superior ability to deep cycle between charges.

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TECH TIP – ATE Magnetic Test Card Model: GLBATE760130
The ATE Magnetic Test Card helps you avoid improperly installing wheel bearing replacements on vehicles equipped with Anti-lock Braking System (ABS) sensors

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TECH TIP – Installation Recommendations for Timing Belt Systems
On Honda 1.7L Engines

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