News Archive
NEW High Quality, Low Cost ACDelco Advantage Filters
Take ADVANTAGE of this new complete line of all makes filters. High quality engineered parts, with the fit, form and function of a premium aftermarket filter BUT at a more economical price. 

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Introducing dexos1 Gen 2 Full Synthetic Engine Oil!
General Motors has introduced a new generation of dexos1 engine oil, ACDelco dexos1 Gen 2 Full Synthetic!

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​CONNECTION TIP: Group/Subgroup
For that classic part search experience, you can quickly find parts by Group and Subgroup. Features include the option to do a keyword search and the ability to add Part Type selections from multiple Groups and Subgroups.

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Lane Keep Assist: A Helpful Intervention
The new safety feature helps drivers avoid crashes when unintentionally drifting from their lane by providing a gentle, momentary steering wheel correction, along with various alerts (if necessary), to help guide the vehicle back on course.

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CONNECTION TIP: Favourite Jobs
Favourite Jobs allows you to build a multi-part lookup for the most common jobs you perform – brakes, water pump & timing belt, tune-up, fleet-vehicle jobs and more

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CONNECTION TIP: A-Z Parts List
Tired of searching through a catalogue to figure out "where the heck did they hide this part"? The "A-Z Parts List" provides you with a list of all part types available for the selected vehicle. Every part listed is valid for that car - no wasted time looking up parts you can't buy! Part Types are displayed alphabetically to eliminate the need for you to know where parts are categorized.

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Tech Tip: Leak Preventative Additives
2011-2017 Chevrolet Volt; 2014-2016 Chevrolet Spark EV, Cadillac ELR; 2016 Chevrolet Malibu Hybrid

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Product Spotlight : ACDelco Professional Coated Calipers
With Zinc-plated protective coating to enhance corrosion resistance compared to enhance corrosion resistance compared to competitive powder coated calipers.

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In Detail: The 2.8L Duramax diesel’s VGT Turbo
The new 2.8L Duramax turbo-diesel is available in 2016 Colorado and Canyon LT and Z71 Crew Cab models. It generates 181 horsepower and 369 lb.-ft. of torque, has a compression ratio of 16.5:1, along with a common rail direct injection fuel system, dual overhead camshafts and a variable geometry turbocharger (VGT).

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Diagnostic Tips for Auto Stop/Start Operation
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.

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Avoiding Internal Shorts During Battery Charge
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.

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Preventing Vibrations from Wheel Slip
Mounting summer tires or changing to winter tires happens every year as temperatures rise and fall.

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​Installation Tips for ACDelco Beam Blades onto Pinch Tab Wiper Arms
Earlier this year, improvements were made to the connection system used on ACDelco® Advantage and Professional beam wiper blades to ensure a positive engagement of the blade onto Pinch Tab wiper arms.

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​Engine Stall Due to Poor Terminal Contact
2011-2014 Chevrolet Cruze equipped with 1.4L turbocharger 4-cylinder engine

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

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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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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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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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