I’m a master mechanic – the box you should never turn up to the garage with and why it raises immediate red flags for us

A MECHANIC has warned motorists against buying car parts online before taking their vehicle to the workshop.
Petrolhead and influencer David Long said this is one of the issues that can upset a mechanic.

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David said motorists think they’re getting a bargain when they buy online, but cautioned that this isn’t always the case.
In a video, he said, “That sounds like a good idea, but it’s not.”
“It has often happened that a customer would show up with a box of parts from Amazon.”
He said some mechanics may be able to get car parts cheaper because they have partnerships with suppliers.


David revealed that he works with suppliers who offer a good guarantee.
He said it made him feel good to “stand behind” the parts he uses and the guarantee he offers riders.
David recalled that drivers would show up at his shop with parts he didn’t know where they bought them.
He said this means he cannot judge the quality of the auto parts.
David revealed that such a scenario makes it difficult for him to offer a guarantee or have an “interest” in completing the job.
He said, “It’s just a big question mark for me and my shop to know, ‘Will this make you happy?’
“Will you have a positive experience with the parts you bought God knows where in six months?”
The popular YouTuber revealed that even motorists with used parts have turned up at his workshop.
However, he revealed that if no other options are available, it may be worth taking the risk.
In the YouTube clip, which has been viewed more than 200,000 times, the auto technician also warned that motorists should not supervise mechanics while they are doing their job.
Meanwhile, car fans have revealed how motorists can cool down their engines quickly in the summer.
A mechanic has revealed how motorists may be able to spot corrosion and rust on their vehicles, while another auto technician explained how motorists can troubleshoot in-car computer malfunctions.