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Car tune up explained and if your car really needs one or not, myth busted with Scotty Kilmer. Older cars actually needed to be tuned up, but newer cars don’t really need it. The way modern car engines are designed removes the need for a tune up. How to do a tune up on a car. DIY car repair with Scotty Kilmer, an auto mechanic for the last 50 years.
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Likes: 10132
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Its funny because my mum always tells me to tune my car. I know shes old fashioned like old mind set but I've always told her theres no such as tuning for my 2006 Ford Falcon unless if its tuning for the dyno tuning has to be done has to be done but I've told her I just gotta keep up with services and everything and make sure no leaks whatsoever and car will run fine and also with replacing oil oil filter air filter and fuel filter car would be running fine 🙂 these advices help.
You make auto repair work look so easy.
scotty, the best youtuber ever
So if cars don't need tune ups what do I do to make sure everything's OK. Well basically can someone give me the run down in simple terms I'm lost
Can u help me Scott kilmer. When I start my car The first morning no problem but if I go back to start it up I gotta hit the accelerator a lol but help me
I was thinking of getting a tune up but the mechanic wanted to charge me 500.that's insane.
I have a 2007 Saturn ion. I feel like it needs a tune-up, not sure what I can do with it though.
Hey Scotty, it's been a while since you did a real tuneup, because you somehow included the carburetor. Don't be too shade tree man. If the car is running bad, and it's been a while since a tuneup, then you tune it up first, and get that out of the way, knowing that part is right. You touch the carburetor if necessary after the tuneup, and you certainly don't just mess with any of the screws. The only reason they even have mixture screws is so they can be completely removed and the passages blown out in a rebuild. Otherwise, never fool with those, except after a rebuild.
A tuneup is to repair physical wear on the electrical system. Mainly the points, which over time erode, increasing the gap, which advances timing and decreases dwell. You'd sandpaper those contacts to be shiny and new, and after a few times there's not enough contact thickness left to properly adjust them, so you'd need new ones. At least every other tune up you should put a new condenser in, which prolongs point life and allows you to enjoy your radio better. Also the spark plugs would need cleaning and re-gapping. Unless they too were eroded to the point of replacement. A good tuneup would also include sanding off the tip of the rotor, which was prone to erosion and pitting, and possibly the terminals inside the rotor cap.
And when I say sanding, I mean the finest paper you have the patience to use, as leaving micro scratches on the surfaces will cause them to wear faster, and your next tuneup comes sooner. Points were cheap enough that usually you'd only clean them once, and then the second time you'd buy a kit that comes with points, a new condenser, and a little capsule of lube for the distributor shaft.
Obviously, none of that has mattered since 1975, by which time every car came with electronic ignition. A point style system put maybe 20,000 volts through the spark plugs. Electronic systems deliver about 100,000 volts, more than enough to blow off any carbon residue. That's when plugs started lasting a lot longer, and then fuel injection came and there is no extra carbon now, so plugs nowadays generally outlast the engine.
If you say the iridium helps, I'll believe you. I figured it was just more BS marketing to get 20 bucks a plug.
There hasn't been such a thing as a 'tuneup' since the 80s – you are right about that.
Thanks Ice king.
Yep, it reminded me when I needed to tuned up my 1974 Camaro!