Scotty Kilmer, who has been in the motors game for over 50 years, said the tip could save car owners hundreds of pounds.

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The motors whizz took to YouTube to explain exactly why mechanics demand eye-watering fees.

He said: “The other day one of my viewers called me and said the Ford dealer wanted $155 per hour to work on his Ford.

“Now why do they charge too much?

“Because they have an insane overhead. Millions of dollars a year.

“They’ve got sales people. They’ve got secretaries.

“And they guy that’s fixing your car only makes a small percentage of the profit of fixing your car”.

Scotty urges his viewers to seek out an independent professional to bring expenses down.

He continued: “At least find an independent mechanic like me.

“[That way] you’re paying the man who fixes your car so he makes the profit and it isn’t farmed out to a bunch of other people with insane overheads who take a cut of the bill”.

For those eager to roll their sleeves up, Scotty reveals that “you’d be surprised” at what you can do yourself “by using spark plugs, air filters, fuel filters – things that can be done with simple hand tools.”

The clip inspired compliments from viewers.

One user said: “Scotty Kilmer instructions and Auto Zone discounts is how I’ve kept costs down.”

Another chimed in: “So much love, the world turns because of people like Scotty!”

It comes after Scotty revealed why he would never buy an electric car, and called its benefits a myth.

Elsewhere, a mechanic lifted the lid on why you should always get an expert to regas your aircon.