Owner's book · not a shop
Know the car. Then the window. Factory specs in plain English — don't authorize until you can say this at the counter.
Guides
Beginner · short stepsExpert · spec · code · mm
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How-to · Counter · Talking to the shop
DIY-safe driveway job
An RO is a contract. Every line is a part, a labor hour, or a shop supply. If a line does not have a noun you understand, it is not authorized. Photograph the car and the part they say is bad. Grease-pencil the padded lines — that is what /quote is for.
Safety
Steps · beginner-friendly
Tools
Parts
No parts to buy first.
Scotty Kilmer
How to Avoid Getting Ripped Off by a Mechanic
Scotty on marking parts and refusing menu services — the RO literacy a first owner needs.
Watch on YouTubeIf you are not DIY · say this instead
Please itemize parts and labor. I authorize [these lines] only. I want to see the old part.
Ask at the shop
Ask for the complaint in their words at the top of the RO. If it does not match what you said, stop.
Related clips · no live key
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Open YouTube searchRelated jobs
Counter
What not to say at the service writer’s window
You are not there to perform competence. You are there to describe the symptom, hand over the code, and ask for a test. “Just do whatever it needs” is how a $90 diagnosis becomes a $2,400 menu. Scotty is blunt. Use the sentences, skip the swagger.
Fluids
Drain-and-fill vs a transmission flush
A change dumps what gravity will give you. A flush exchanges nearly all of it through the cooler lines. On a healthy, regularly serviced trans, a flush can be fine. On a neglected, burnt, or mystery-history box, a flush can be the job that makes it slip. This video is the sentence you need before you initial that line.
Fluids
Map every fluid before you authorize a package
Oil, trans, coolant, brake, power steering, and washer are different jobs with different intervals. A shop multi-point that wants all of them at once is a menu, not a diagnosis. Learn what each jug is for so you can say no.