Case Studies & Testimonials

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ALLDATA Repair Case Studies and Testimonials



Case Studies



Find out why these shops depend on ALLDATA's information

Cadillac King Image Mutter Motors Image
David Gulliot
King Cadillac
Putnam, Connecticut
Jeff Mutter
Mutter Motors
Cumberland, Rhode Island

Reliable Pontiac Image Lyndon Wester Image
Reliable Pontiac Lyndon Wester

Customer Testimonials



Phil Kleis Phil Kleis, All Tech Automotive (Laingsburg, Michigan)

"I am so glad you give me factory wiring diagrams and not your own version. Please don't ever change that. I like being able to call you with a concern or question and you go to the factory service information and make a correction if needed or give information that may have not been clear. Thanks for great service and a great product!"


Matt White Matt White, White Tire (Morganton, North Carolina)

"ALLDATA helps us day to day - it always points us in the right directions and helps tremendously with our repairs. ALLDATA definitely proves its value when we deal with estimations and labor times."


Rod Ledford Rod Ledford, GM Avery Repair (Morganton, North Carolina)

Without ALLDATA, we couldn't do business. It is the best aftermarket OEM solution we have ever worked with, and I would definitely recommend it to others."


Bob Trudeau Bob Trudeau, Trudeau's Auto Repair (Woonsocket, Rhode Island)

"Without ALLDATA, I would not be in business . If you own a shop today and don't use it, you couldn't operate. It's very user-friendly, and everything you need is at your fingertips. For hard-to-find information, the library research service is very good. Over the years, there have been many situations when ALLDATA saved me."


Jeff Mutter Jeff Mutter, Mutter Motors (Cumberland , Rhode Island)

"We were one of ALLDATA's original customers. ALLDATA is fast for finding information. The wiring diagrams are great. We use it for estimating too. A woman came in with a transmission problem. The first thing I did was pull the TSBs on ALLDATA and we found her problem. I sent her to the dealer, and the fix was on them. It would have been a $4,000 - $5,000 job. We didn't get any of it, but it was good for long-term customer relations. The TSBs save us a lot of time and money. It's one of the tools we can't do without."


Jeff Koch Jeff Koch, Koch's Automotive (Greenfield, Massachusetts)

"I couldn't get by without ALLDATA. I've used it for over 10 years, and it is rare that I can't find what I need. I once couldn't find some torque specs on a Kia. I called the dealer and they didn't have the specs either. Kia doesn't publish them. That's the only time you won't find it in ALLDATA. OEM information is the gold standard. That's especially true for wiring diagrams."


David Guillot David Guillot, King Cadillac GMC (Putnam, Connecticut)

"We service other makes and we use ALLDATA every day to diagnose problems, and for parts and labor information. It's easy to use and locating information is fast. We especially rely on the TSBs. We also sell Saabs, and we need ALLDATA to service and repair them. ALLDATA is especially valuable for resetting maintenance lights on foreign makes."


Robert Kubosiak Robert Kubosiak, Goin' Gray Auto (Whately, Massachusetts)

"I use ALLDATA for 90% of everything that goes through here, especially the parts and labor information. I usually check the TSBs first - that can save a lot of time. The customer service is great - some time ago I dropped a disc and scratched it. I called and they sent one to me immediately, no questions asked. I'm going with the online service to avoid that problem again. I once called the Chrysler dealer to order a bushing kit, but they couldn't find the correct part number. I went into the ALLDATA system and told the dealer the number."


Larry Flynn Larry Flynn, C&L Service (Hatfield, Massachusetts)

"Information is the biggest priority today. It's a huge part of doing business, and you need to have it at your command.
ALLDATA has always been very good. The wiring diagrams let us know what else is on a particular circuit. It's helpful to know ground and splice locations. I rely on ALLDATA a lot. I don't know where I'd be without it."


Jeff Beckwith Jeff Beckwith, Beckwith's Auto (Bernardston , Massachusetts)

"We used to spend a lot of time diagnosing problems. Now that we have ALLDATA, we're spoiled. I couldn't operate without it. The biggest reason I chose it was reading what other techs said on iATN. The wiring diagrams are reason enough to use ALLDATA. I had a car in here that I might have turned away without the ALLDATA wiring diagram. The few times I haven't been able to find something, I've called the library and have always have gotten good service."


Tom Roberts Tom Roberts, Technician/Educator/Instructor, Autonerdz (East Olympia, Washington)

ALLDATA is the single most complete source of factory-correct information available. Sure, even factory information has occasional errors, but it doesn't get any better than that. Component and system descriptions are not generic, but vehicle-specific. This is essential when working with a system that you may not be entirely familiar with. Some may not like working with different wiring diagram formats from different manufacturers, but when you need to locate a component, connector, pin or wire you are likely to get just what you need.

I can't count the number of times I have helped someone out who was on a wild goose chase due to incomplete or incorrect information from another system. That costs money. Had they had good information to begin with, the repair would have gone much more smoothly and been more profitable.

If you are like me, I make enough mistakes on my own. I don't need any help from my information system.


Ron Ananian, The Car Doctor (Waldwick, New Jersey)
WOR Radio Network / DIY Television / Speed Channel
Owner, R\A Automotive

Complete wiring diagrams

"When I'm diagnosing a tough electrical problem, ALLDATA's OEM wiring diagrams help get me on track to a quick solution. Today's vehicle electrical systems are like roadmaps, you need clear concise info so you don't get lost!"


Shawn Portrait, Owner, Family Auto Clinic (Rowley, Massachusetts)

ALLDATA is the key

"A friend of mine was taking his father to the airport in his 93 Sedan DeVille and accidentally locked the keys in the trunk. He called me for help."

"I was eating lunch at the time, but I pulled up the vehicle on ALLDATA and, using the wiring diagrams, I was able to tell him which wire to jump in order to pop the trunk - and I never put down my lunch the entire time."


Dan Nguyen, Dan's Auto Repair (Elk Grove, California)

Spreading the word

"I've been using ALLDATA for years. I recommend it to all my friends, and when they switch they're glad they did. I rely on ALLDATA for parts and labor information and diagnostic codes. It saves me a lot of time and saves my customers money."


Sierra Chevrolet (Colfax, California)

All cars are welcome

"We're located right next to the freeway, so we have 11 tow trucks that bring in all makes and models. Because we have ALLDATA, we can service just about any vehicle that our trucks tow into the shop."


Phillip Evans, Owner/Service Writer, Scates Auto (Jackson, Tennessee)

A good deal

"Believe me, an ALLDATA subscription more than pays for itself, just in accurate labor times alone! ALLDATA helps me operate my business successfully, and their online information product is incredible."


Taylor-Parker Motor Company (Sandpoint, Idaho)

Great customer support

"Our dealership has used ALLDATA since 1998. Technicians like the system because no matter what brand vehicle they're working on, there is information available. If a question arises that the software is unable to address, the 800 number help-line is quickly accessible and manned by a very knowledgeable staff."


Friendly Chevrolet (Dallas, Texas)

Profit generator

"We use ALLDATA extensively for reconditioning used vehicles. In the year-and-a-half that we have had it, ALLDATA has generated considerable revenue for us."


Miki Muscanere, Ed's Auto Repair (Muskogee, Oklahoma)

Quick and easy

"We are very happy with our decision to employ ALLDATA in our shop. ALLDATA has all the detailed information we need in an easy-to-use interface that allows us to find what we need quickly. The resolution on the wiring schematics is clearer than on the previous software we used and the images print better too. Our techs are no longer intimidated to use computer-based information and gladly use it everyday."

"We would gladly recommend ALLDATA to any shop."


The Gunn Automotive Group (San Antonio, Texas)

The more systems the better

"We were so impressed with ALLDATA that we bought 6 systems... one for each dealership."


Lustine Chevrolet Geo (Hyattsville, Maryland)

Used every day

"ALLDATA is a well-utilized tool in our facility that we rely on every day."


Senator Ford (Sacramento, California)

Streamlined Repairs

"Our used car reconditioning department is completely separate from the dealership service department, which allows us to streamline our repairs. My used car techs always go to ALLDATA first for the accurate information they need to diagnose and repair any type of vehicle."


Shawn Portrait, Owner, Family Auto Clinic (Rowley, Massachusetts)

TSB solutions

"A friend had a timing chain to replace in a Pontiac. He consulted another information source, which told him to do it a certain way. But when he completed the job and started the engine, the timing chain could be heard 'slapping'. He called the other provider to verify the information and tore the engine down, and did the job again. Same problem!"

"After performing the operation for the third time, he finally called me out of frustration. When I pulled up the procedure, right there on the ALLDATA screen was a Technical Service Bulletin for setting the chain tensioner properly. ALLDATA's competition was unable to help this guy, but within seconds of looking up the procedure on ALLDATA, I was able to find the critical information he needed."


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