Archive for August, 2020

GE-52250 PowerSmoke Diagnostic Leak Detector Shipping Now as Essential Tool

GE-52250 PowerSmoke Diagnostic Leak Detector Shipping Now as Essential Tool

The GE-52250 PowerSmoke Diagnostic Leak Detector (Fig. 1), now an essential tool shipping to all dealerships, can be used to help find induction and exhaust system leaks on 2010-2020 GM […]

August 31, 2020
Corvette Hood Access Update

Corvette Hood Access Update

An Over-The-Air (OTA) update for the 2020 Corvette was sent out recently that changed the Body Control Module (BCM) calibration for opening the hood, or front trunk, (Fig. 2) using […]

August 31, 2020
Duramax Diesel Exhaust Isolator No Longer in Production

Duramax Diesel Exhaust Isolator No Longer in Production

A missing exhaust isolator (Fig. 5) on 2020 Silverado and Sierra models equipped with the 3.0L Duramax diesel engine (RPO LM2) and the single exhaust system (RPO NB5) should not […]

August 31, 2020
FSE Technician Recognition Awards – 2nd Quarter 2020

FSE Technician Recognition Awards – 2nd Quarter 2020

The Field Service Engineer (FSE) Technician Recognition Awards (U.S.), a new recognition program that celebrates the skill and dedication of dealership technicians who have recently worked with FSE’s on challenging […]

August 31, 2020
Liftgate or Liftglass Rattle Sound

Liftgate or Liftglass Rattle Sound

Some 2021 Tahoe, Suburban, and Yukon models may have a rattle sound at the rear of the vehicle. The sound may be from the liftgate or liftglass. There are several […]

August 31, 2020
Corvette Exterior Protective Cover Removal

Corvette Exterior Protective Cover Removal

The exterior protective cover that wraps every 2020 Corvette (Fig. 20) to help shield the paint and body during shipping to the dealership should always be removed prior to vehicle […]

August 31, 2020
Poor Driver’s Side A/C Performance

Poor Driver’s Side A/C Performance

The air conditioning may blow warmer on the driver’s side of the vehicle on some 2019-2020 Silverado 1500 and Sierra 1500 models built at the Silao assembly plant (the plant […]

August 31, 2020
Flutter Sound at Front of the Vehicle

Flutter Sound at Front of the Vehicle

A flutter, rattle or similar wind noise may be heard from either the left front end and/or right front end of the vehicle at highway speeds on some 2021 Tahoe […]

August 31, 2020
The Diesel Exhaust System and DPF Soot Accumulation

The Diesel Exhaust System and DPF Soot Accumulation

The diesel exhaust system on 2017-2018 Silverado and Sierra models and 2019-2020 Silverado 2500/3500 and Sierra 2500/3500 models equipped with the 6.6L Duramax diesel engine (RPO L5P) (Fig. 1) requires […]

August 24, 2020
Latest AFIT Software V13 Now Available

Latest AFIT Software V13 Now Available

The latest software update (CH-47976-SWV13) for the CH-47976 Active Fuel Injector Tester (AFIT) has recently been released. The new update adds 2021 model year applications (up to October 31, 2020) […]

August 24, 2020
HFV6 Remanufactured Engine Drivability Diagnosis Following Installation

HFV6 Remanufactured Engine Drivability Diagnosis Following Installation

After installing a GM remanufactured High Feature V6 (HFV6) engine in some 2007-2009 G6; 2007-2010 Aura, Outlook; 2007-2011 STS; 2007-2012 Malibu; 2007-2016 Allure (Canada only), LaCrosse, CTS, SRX; 2007-2017 Equinox, […]

August 24, 2020
Silverado HD/Sierra HD Brake Squeal

Silverado HD/Sierra HD Brake Squeal

Some 2020 Silverado 2500/3500 and Sierra 2500/3500 models may have a brake squeal condition caused by the low scorch friction material used on the original brake pads. New brake pads […]

August 24, 2020
Front End Rattle Sound at Highway Speeds

Front End Rattle Sound at Highway Speeds

A whine, rattle or flutter sound may be heard coming from the front end of some 2020 Blazer models when driving at highway speeds. The sound is dependent on wind […]

August 24, 2020
Slipping Output Speed Sensor Reluctor Wheel

Slipping Output Speed Sensor Reluctor Wheel

Some 2016-2019 ATS models and 2016-2020 Camaro models equipped with the 6-speed manual transmission (RPO M13) may have an illuminated Check Engine MIL and DTC P17A2 (Transmission Clutch Slip Detected) […]

August 24, 2020