May 18, 2016 Tom from Michigan details how he identified and corrected an intermittent problem with oil smoke from the exhaust on a 2010 Toyota Tundra.

Toyota Tundra 4.6 occasional smoke
This was actually a tech help that I did, and the feedback on the fix made think it might be useful to re-post it here. 2010 Toyota Tundra 4.6 w/60,000 miles, customer recent purchase. Engine smokes occasionally on start-up, and some...

May 2, 2016 Martin from B.C. reveals damage found from a mis-routed wiring harness on a Duramax powered 2015 Silverado.

2015 Chevrolet Silverado 6.6L Harness Damage
A Product Information Report (PIR) has been submitted identifying the condition described below, that may or may not exist on just this particular truck or others of the same build. A simple repositioning and tightening of a loose cable tie strap...

April 22, 2016 Sean from AZ explains how he's dealing with obsolete parts and the ensuing discussion provides some awesome examples.

Dealing with obsolete parts
I have a Cadillac Allante that got towed to me with an abs problem, and hard brake pedal, that had just left the dealer after $3,000 to repair driveability issues, and they told him that they could not fix the abs system. I investigate how the system works...

April 11, 2016 James from Florida demonstrates how he used the GDS 2 Data Bus Diagnostic Tool to identify and solve multiple vehicle symptoms on a 2014 Chevrolet Silverado.

An Unusual Problem
Today, a 2014 Silverado was towed in. The complaint was SES on, power steering inop at times, ABS light on, problems come and go. When I got in the truck, the Service Power Steering message was on, the steering had no assist, the SES...

March 30, 2016 Robert from New York presents a case illustrating how voltage drop caused a fuel trim issue.

Voltage drop
I would like to take a moment to discuss how I was able to efficiently repair a problem vehicle with a simple volt drop test. The vehicle in question was a 2007 Toyota Sienna. Customer stated started van in am cranked a little longer than normal. It was also b...

February 17, 2016 Martin from BC provides a technology overview on GM HVAC AC brush less motors.

GM HVAC Blower Motor Technology Changes
Reading the thread below related to the melted HVAC blower motor connector, moved me to post about changes to GM blower motor technology, that at least for GM pickup models was introduced in the new body style 2014 models. It seems...

February 8, 2016 Our latest poll asks members to share how your business fared in 2015. You can respond and see the results here:

http://members.iatn.net
Our previous poll asked "for how many months does your shop warranty most repairs," and we had 6,500 member responses. The majority (58%) offer a 12-month warranty on repairs. Next closest was 24 months (19%), followed by 3 months (9%), and then a toss up between 6 and 'greater than 24' months, both with 6%. Only 3% of respondents provide a warranty less than 3 months in length. Read details and 147 comments: http://iatn.me/auE.

January 28, 2016 James from Florida provides us with another great article on GMLAN issues caused by aftermarket devices residing on the network.

Corvette Class 2 Communication Failure
Usually I post more complex repair procedures. Lately, I've been trying to submit less complex problems for those of us just getting used to data communications problems. This is an example of such. A 2011 Corvette came in yesterday with...

January 21, 2016 We're very pleased to announce the release of iATN's mobile app for iPhone and iPad. Connect with over 85,000 peers, and discuss vehicle repair, technical theory, shop management, best practices and more. Scan a VIN barcode to quickly search the Knowledge Base. Much more to come.

iATN Mobile App Released for iPhone and iPad
Hello everyone, We're very pleased to announce the release of iATN's mobile app for iPhone and iPad. You can install it here: http://iatn.me/app. We'll be improving it continuously, so be sure to use the feedback option in the app if you...

January 18, 2016 John from Mass shares his strategies used to manage customer expectations regarding service and repair.

We guarantee your car will be fixed right, on time on budget
We guarantee your car will be fixed right, on time, and within budget. That is a common statement in the auto repair world. It sounds great, but how realistic is it? In my opinion, the requirements to complete a job can only be known once the car has been...